Development of a bioherbicide for the control of purple nutsedge - Kadir, Jugah B., 1958 - (1997)

di zhi wu xue yan jiu jian ming zhi nan - Sukachev, V. N. (Vladimir Nikolaevich) 1880 -1967 (ke xue chu ban she, 1955)

di zhi wu yan jiu zhong de wu hou xue guan cha fang fa - Beĭdeman, I. N. (Irina Nikolaevna) (ke xue chu ban she, 1958)

Diccionario botanico de nombres vulgares cubanos - Roig y Mesa, Juan Tomás, 1877 -1971 (Editorial Nacional de Cuba, 1928)

Diccionario de los diversos nombres vulgares de muchas plantas usuales ó notables del antiguo y nuevo mundo, con la correspondencia científica y la indicacion abreviada de los usos é igualmente de la familia à que pertenece cada planta. Complemento del Curso de botánica por el doctor don Miguel Colmeiro - Colmeiro, Miguel, 1816 -1901 (Impr. de G. Alhambra, 1871)

Dickinson's hand book on farm seeds - Dickinson, Albert, company. (The Albert Dickinson co, 1916)

Dickinson's hand book on farm seeds : compliments of - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Albert Dickinson Co, 1916)

A dictionary of arts and sciences - Gregory, G. (George), 1754 -1808 (Printed for Richard Phillips, 1806)

Dictionary of arts, manufactures, and mines containing a clear exposition of their principles and practice - Hunt, Robert, 1807 -1887 (Longmans, 1875)

A dictionary of English names of plants applied in England and among English-speaking people to cultivated and wild plants, trees, and shrubs - Miller, William. (J. Murray, 1884)

A dictionary of English plant-names - Britten, James, 1846 -1924 (Trübner & Co, 1886)

Dictionary of natural history terms with their derivations, including the various orders, genera, and species - McNicoll, David Hudson (L. Reeve, 1863)

A dictionary of plant names - Hollandsche Maatschappij der Wetenschappen (M. Nijhoff, 1911)

A dictionary of popular names of the plants which furnish the natural and acquired wants of man, in all matters of domestic and general economy. Their history, products, & uses - Smith, John, 1798 -1888 (Macmillan, 1882)

The dictionary of science and technical terms used in philosophy, literature, professions, commerce, arts, and trades - Buchanan, W. M. (G.Bell and Sons, 1884)

Dictionary of the common names of plants with list of foreign plants cultivated in the open - Marloth, R. (Rudolf), 1855 -1931 (Specialty Press of South Africa, 1917)

A dictionary of the flowering plants and ferns - Willis, J. C. (John Christopher), 1868 -1958 (The University Press, 1919)

Dictionnaire botanique et pharmaceutique, contenant les principales propriétés des minéraux, des végétaux et des animaux, avec les préparations de pharmacie, internes et externes, les plus usitées en médecine et en chirurgie, d'après les meilleurs auteurs anciens, et sur-tout d'après les auteurs modernes - Alexandre, Nicolas, 1654 -1728 (Jean-Francois Bastien, 1802)

Dictionnaire classique d'histoire naturelle - Bory de Saint-Vincent, M. (Jean Baptiste Geneviève Marcellin), 1778 -1846 (Rey et Gravier, Libraries-Editeurs, Auai des Augustins, no. 55; Baudouin Frèrer, Libraries-Editeurs, Imprimeurs de la société D'Histoire Naturelle, Rue de Vaugirard, no. 36, 1822)

Dictionnaire classique des sciences naturelles : présentant la définition, l'analyse et l'histoire de tous les êtres qui composent les trois règnes, leurs application générale aux arts, à l'agriculture, à la médicine, à l'économie domestique, etc - Bory de Saint-Vincent, M. (Jean Baptiste Geneviève Marcellin), 1778 -1846 (Meline, Cans et Ce, 1853)

Dictionnaire des noms populaires des plantes qui croissent naturellement en Savoie ou qui y sont cultivées en pleine terre ... - Constantin, Aimé, 1831 -1900 (Impr. J. Abry, Editeur, 1908)

Dictionnaire des sciences naturelles, dans lequel on traite méthodiquement des différens êtres de la nature, considérés soit en eux-mêmes, d'après l'état actuel de nos connoissances, soit relativement à l'utilité qu'en peuvent retirer la médecine, l'agriculture, le commerce et les artes. Suivi d'une biographie des plus célèbres naturalistes ... - Cuvier, Frédéric, 1773 -1838 (F. G. Levrault;||Le Normant, 1816)

Dictionnaire pittoresque d'histoire naturelle et des phénomènes de la nature - Gerbe, Zéphirin, 1810 -1890 (1835)

Dictionnaire raisonné, etymologique, synonymique et polyglotte, des termes usités dans les sciences naturelles - Jourdan, A.-J.-L. (Antoine Jacques Louis), 1788 -1848 (J.-B. Baillière, 1834)

Dictionnaire raisonné, universel d'histoire naturelle : contenant l'histoire des animaux, des végétaux et des minéraux, et celle des corps célestes, des météores, & des autres principaux phénomenes de la nature : avec l'histoire des trois regnes, et le détail des usages de leurs productions dans la médecine, dans l'économie domestique et champêtre, et dans les arts et métiers : une table concordante des noms latins, et le renvoi aux objets mentionnés dans cet ouvrage - Valmont de Bomare, M. (Jacques Christophe), 1731 -1807 (Chez Bruyset ainé et ce, 1800)

Dictionnaire universel d'histoire naturelle - Orbigny, Charles d', 1806 -1876 (A. Pilon et cie, 1867)

Dictionnaire universel d'histoire naturelle : résumant et complétant tous les faits présentés par les encyclopédies, les anciens dictionnaires scientifiques, les Oeuvres complètes de Buffon, et les meilleurs traités spéciaux sur les diverses branches des sciences nautrelles ; donnant la description des etres et des divers phénomènes de la nature, l'étymologie et la définition des noms scientifiques, et les principales applications des corps organiques et inorganiques à l'agriculture, à la médecine, aux arts industriels, etc - Martinet, L., (Chez les editeurs MM. Renard, Martinet et cie, rue et Hotel Mignon, 2 (quartier de l'École-de-Médecine) ; et chez Langlois et Leclercq, rue de la Harpe, 81 ; Victor Masson, Place de l'Ecole-de-Médecin, 1849)

Dictionnaire universel d'histoire naturelle résumant et complétant tous les faits présentés par les encyclopédies,... - Orbigny, Charles d', 1806 -1876 (L. Houssiaux et Cie, 1861)

The differentiation and specificity of starches in relation to genera, species, etc.; stereochemistry applied to protoplasmic processes and products, and as a strictly scientific basis for the classification of plants and animals - Reichert, Edward Tyson, 1855 - (Carnegie institution of Washington, 1913)

A discourse on the character, properties, and importance to man, of the natural family of plants called Gramineæ, or true grasses. Delivered as a lecture before the class of the Chester County Cabinet of Natural Science, Feb. 19, 1841 - Darlington, William, 1782 -1863 ([s.n.], 1841)

Un discurso y un catálogo de plantas clasificadas : dirigidos a los alumnos de la escuela de Medicina de Monterrey - González, José Eleuterio, 1813 -1888 (Imprenta Católica, 1888)

Diseases of cereal and forage crops in the United States in 1924 - United States. Office of Plant Disease Survey; Pathological Collections. (Office of Plant Disease Survey and Pathological Collections, Bureau of Plant Industry, United States Department of Agriculture, 1925)

The diseases of crops and their remedies : a handbook of economic biology for farmers and students - Griffiths, A. B. (Arthur Bower), 1859 - (G. Bell, 1890)

Diseases of economic plants - Stevens, Frank Lincoln, 1871 -1934 (The Macmillan company, 1921)

Diseases of field and garden crops : chiefly such as are caused by fungi - Smith, Worthington George, 1835 -1917 (MacMillan, 1884)

Diseases of plants in the United States in 1935 - Wood, Jessie I. (Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1936)

Diseases of plants in the United States in 1936 - Wood, Jessie I. (Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1937)

Diseases of plants induced by cryptogamic parasites : introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae - Tubeuf, Carl, Freiherr von, 1862 -1941 (Longmans, Green & co, 1897)

Diseases of plants induced by cryptogamic parasites; introduction to the study of pathogenic Fungi, slime-Fungi, bacteria, & Algae - Tubeuf, Carl, Freiherr von, 1862 -1941 (Longmans, Green & co, 1897)

Diseases of plants induced by cryptogamuc parasites; introduction to the study of pathogenic fungi, slime-fungi, bacteria, and algae. English ed. by William G. Smith - Tubeuf, Carl, Freiherr von, 1862 -1941 (Longman's, Green, 1897)

Diseases of plants reported in Texas since 1933 - United States. Plant Disease Survey. (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, United States Department of Agriculture, 1942)

The diseases of the sweet pea - Taubenhaus, Jacob Joseph, 1884 -1937 (1914)

[Dissertationes Academiae Upsaliensis] - Thunberg, Carl Peter, 1743 -1828 (1782)

Distribution méthodique de la famille des Graminées - Kunth, Karl Sigismund, 1788 -1850 (Librarie-Gide, 1835)

Distribution of vascular plant species of special concern and limited distribution in the Pryor Mountain Desert ; Carbon County, Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1992)

Dizionario di botanica generale, istologia, anatomia, morfologia, fisiologia, biologia vegetale - Bilancioni, Guglielmo, 1881 -1935 (U. Hoepli, 1903)

Dizionario odeporico : o sia, storico-politico-naturale della provincia bergamasca - Bonatti, M. (Stamperia Mazzoleni, 1819)

Domestic botany - Smith, John, 1798 -1888 (L. Reeve and co, 1871)

Domesticated animals and plants; a brief treatise upon the origin and development of domesticated races, with special reference to the methods of improvement - Davenport, E. (Eugene), 1856 -1941 (Ginn and company, 1910)

Domesticated animals and plants; a brief treatise upon the origin and development of domesticated races, with special reference to the methods of improvement - Davenport, E. (Eugene), 1856 -1941 (Ginn, 1910)

dong bei zhi wu jian suo biao - Liu, Zhen-e (ke xue chu ban she, 1959)

dong zhi wu ming ci hui bian kuang wu ming ci fu - ke xue ming ci shen cha hui (ke xue ming ci shen cha hui)

Dr. Joh. Christ. Mössler's Handbuch der Gewächskunde, enthaltend eine Flora von Deutschland mit hinzufügung der wichtigsten ausländischen Cultur-Pflanzen - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (J. F. Hammerich, 1833)

Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz - Rabenhorst, Ludwig, 1806 -1881 (E. Kummer, 1884)

Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz - Rabenhorst, Ludwig, 1806 -1881 (E. Kummer, 1901)

Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz - Rabenhorst, Ludwig, 1806 -1881 (E. Kummer, 1903)

Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz - Rabenhorst, Ludwig, 1806 -1881 (E. Kummer, 1907)

Dr. L. Rabenhorst's Kryptogamen-Flora von Deutschland, Oesterreich und der Schweiz - Rabenhorst, Ludwig, 1806 -1881 (E. Kummer, 1910)

The drug plants of Illinois - Tehon, L. R. (Leo Roy), 1895 -1954 (Natural History Survey Division, 1951)

e er duo si zhi wu zhi - Wu, Jianxiong (nei meng gu ren min chu ban she, 2007)

e la han zhong zhi zhi wu ming chen (shi yong ben ) - Zhongguo ke xue yuan. Bian yi chu ban wei yuan hui. (ke xue chu ban she)

The earthworms (lumbricidae and sparganophilidae) of Ontario - Royal Ontario Museum. (Royal Ontario Museum, 1977)

L'Écho du monde savant et l'Hermès : journal analytique des nouvelles et des cours scientifiques (1841)

L'Écho du monde savant et l'Hermès : journal analytique des nouvelles et des cours scientifiques (1845)

Ecosystem management : rare species and significant habitats : proceedings of the 15th Annual Natural Areas Conference - Mitchell, Richard S., 1938 - (New York State Museum, University of the State of New York, State Education Dept, 1990)

Edinburgh Journal of Natural and Geographical Sciences

Edinburgh journal of natural history and of the physical sciences, with the Animal kingdom of the Baron Cuvier - Cuvier, Georges, baron, 1769 -1832 (Published for the proprietor [etc.], 1836)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1840)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1856)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1861)

The Edinburgh new philosophical journal (A. and C. Black [etc.], 1862)

Eesti Looduseuurijate Seltsi aastaraamat - Eesti Looduseuurijate Selts. (Valgus, 1915)

Effect of gibberellic acid and 2,4-dichlorophenoxyacetic acid on waterhyacinth, Eichhornia crassipes (Mart.) Solms - Joyce, Joseph Clarence, 1948 - (1982)

The effects of acidic deposition on Alberta agriculture : a review - Alberta Government/Industry Acid Deposition Research Program. (Acid Deposition Research Program, 1987)

The effects of interaction between genotypes on single plant selection of wheat (Triticum aestivum) - University of Alberta. Dept. of Plant Science. (1982)

Effects of several spectral bands of visible light on development and lipid and protein metabolism of soybean seedlings - University of Alberta. Dept. of Plant Science. (1966)

Effects of the rays of radium on plants - Gager, C. Stuart (Charles Stuart), 1872 -1943 (1908)

The effects of water development upon populations of Gambel's Quail in southwestern Utah - Nish, Darrell H. (Utah State Department of Fish and Game, 1964)

Einführung in die experimentelle Vererbungslehre - Baur, Erwin, 1875 -1933 (Gebrüder Borntraeger, 1911)

Elementary agricultural chemistry; a handbook for junior agricultural students and farmers - Ingle, Herbert. (C. Griffin and company ltd, 1920)

Elementary botany : theoretical and practical. A text-book designed primarily for students of science classes connected with the science and art department of the committee of council on education - Edmonds, Henry. (Longmans, Green, and Co, 1888)

An elementary course of botany : structural, physiological, and systematic - Henfrey, Arthur, 1819 -1859 (John Van Voorst, 1878)

Elementary flora of the Northwest - Rigg, George B. (George Burton) (American Book Company, 1914)

Elementary flora of the Northwest - Rigg, George B. (George Burton) (American book company, 1914)

An elementary text-book of botany - Vines, Sydney Howard, 1849 -1934 (Swan Sonnenschein & Co, 1886)

An elementary text-book of botany - Vines, Sydney Howard, 1849 -1934 (W. Swan Sonnenschein & Allen, 1881)

An elementary text-book of botany - Vines, Sydney Howard, 1849 -1934 (W.S. Sonnenschein & Allen, 1880)

An elementary text-book of botany - Vines, Sydney Howard, 1849 -1934 (J.B. Lippincott & Co, 1880)

An elementary text-book of botany - Vines, Sydney Howard, 1849 -1934 (S. Sonnenschein & co., lim, 1898)

Elementos de botánica : Arreglados para la enseñanza agrícola, forestal, secundaria y normal de México. una introducción en la flora de la República - Reiche, Karl Friedrich, 1860 -1929 (SEP, 1927)

Elementos de botánica, conformes al proggrama de la Universidad Mayor de la República entresacados de Payer, Sachs, Van Tieghem, Lanessan. 2. ed. corr. y aumentada por varios amantes de la ciencia, bajo la dirección del recopilador - León, Jacinto de, (Biblioteca Ilustrada de Andrés Ríus, 1884)

Éléments de botanique médicale : contenant la description des végétaux utiles à la médecine et des espèces nuisibles à l'homme, vénéneuses ou parasites, précédée de considérations sur l'organisation et la classification des végétaux - Moquin-Tandon, Alfred, 1804 -1863 (J.-B. Baillière et fils, 1866)

Éléments de la faune Açoréenne - Drouët, Henri, 1829 -1900 (J.B. Baillière & Fils ; J. Rothschild, 1864)

The elements of botany embracing organography, histology, vegetable physiology, systematic botany and economic botany ... together with a complete glossary of botanical terms - Kellerman, W. A. (William Ashbrook), 1850 -1908 (J. E. Potter and Company, 1883)

The elements of genetics - Darlington, C. D. (Cyril Dean), 1903 - (Macmillan, 1950)

The elements of materia medica and therapeutics - Pereira, Jonathan, 1804 -1853 (Printed for Longman, Brown, Green and Longmans, 1849)

The elements of materia medica comprehending the natural history, preparation, properties, composition, effects and uses of medicines - Lindley, John, 1799 -1865 (Longman, Orme, Brown, Green and Longmans, 1839)

Elements of practical agriculture; comprehending the cultivation of plants, the husbandry of the domestic animals, and the economy of the farm - Low, David, 1786 -1859 (Longman, [etc., etc.], 1838)

The elements of structural botany with special reference to the study of Canadian plants - Spotton, H. B. (Henry Byron), 1844 -1933 (W. J. Gage & Co, 1897)

Elements of vegetable histology - Base, Daniel, 1869 -1926 (The author, 1905)

Eliae Fries Summa vegetabilium Scandinaviae, seu Enumeratio systematica et critica plantarum quum cotyledonearum, tum nemearum inter Mare Occidentale et Album, inter Eidoram et Nordkap, hactenus lectarum, indicata simul distributione geographica ... Accedunt expositio systematis plantarrum morphologici, comparatio vegetationis adjacentium regionum, definitiones specierum in Kochii Synopsi florae germanicae et nemearum monographiis haud obviarum L. aliter expositarum - Fries, Elias, 1794 -1878 (A. Bonnier, 1846)

Eloge de Rembert Dodoens ... Suivi de la concordance des especes vegetales decrites et figurees par R. Dodoens, avec les noms que Linne et les auteurs modernes leur ont donnes ... - Linné, Carl von, 1707 -1778 (Olbrechts, 1850)

Embryogenesis in plants - Wardlaw, C. W. (Claude Wilson), 1901 - (Methuen, 1955)

Enciclopedia doméstica : colección de procedimientos y de recetas concernientes a las artes y oficios, economía rural y doméstica (Imprenta de Juan R. Navarro, 1853)

Encyclopaedia londinensis, or, Universal dictionary of arts, sciences, and literature : comprehending, under one general alphabetical arrangement, all the words and substance of every kind of dictionary extant in the English language : in which the improved departments of the mechanical arts, the liberal sciences, the higher mathematics, and the several branches of polite literature, are selected from the acts, memoirs, and transactions, of the most eminent literary societies, in Europe, Asia, and America : forming a comprehensive view of the rise, progress, and present state, of human learning in every part of the world : embellished by a most magnificent set of copper-plate engravings - Jones, G. (Printed for the proprietor, by J. Adlard ..., sold at the Encyclopaedia Office ... by J. White ... and Champante and Whitrow, 1810)

An encyclopædia of agriculture comprising the theory and practice of the valuation, transfer, laying out, improvement, and management of landed property, and the cultivation and economy of the animal and vegetable productions of agriculture, including all the latest improvements, a general history of agriculture in all countries, and a statistical view of its present state, with suggestions for its future progress in the British Isles - Loudon, J. C. (John Claudius), 1783 -1843 (Printed for Longman, Rees, Orme, Brown, and Green, 1831)

An encyclopædia of plants; comprising the description, specific character, culture, history, application in the arts, and every other desirable particular respecting all the plants indigenous, cultivated in, or introduced to Britain, combining all the advantages of a Linnean and Jussieuean species plantarum, an historia plantarum, a grammar of botany, and a dictionary of botany and vegetable culture. The whole in English; with the synonymes of the commoner plants in the different European and other languages ... - Loudon, J. C. (John Claudius), 1783 -1843 (Printed for Longman, Rees, Orme, Brown and Green, 1829)

Encyclopædie der Naturwissenschaften. Abt. 2, T. 2, Handwörterbuch der Pharmakognosie des Pflanzenreichs - Wittstein, Georg Christian, 1810 -1887 (Eduard Trewendt, 1882)

An encyclopedia of plants; : comprising the specific culture, history, application in the arts, and every other desirable particular respecting all the plants indigenous, cultivated in, or introduced to Britain: combining much of the information contained - Loudon, J. C. (John Claudius), 1783 -1843 (1841)

An encyclopedia of the practice of medicine, based on bacteriology - Royal College of Physicians of Edinburgh. (R.R. Russell, 1891)

Encyclopédie d'histoire naturelle; ou, traité complet de cette science d'après les travaux des naturalistes les plus éminents de tous les pays et de toutes les époques: Buffon, Daubenton, Lacépède, G. Cuvier, F. Cuvier, Geoffroy Saint-Hilaire, Latreille, De Jussieu, Brongniart, etc - Chenu, Jean-Charles, 1808 -1879 (Maresq, 1858)

English botany, or, Coloured figures of British plants - Salter, John William, 1820 -1869 (R. Hardwicke, 1872)

English cyclopaedia, a new dictionary of universal knowledge - Knight, Charles, 1791 -1873 (Bradbury, 1854)

The English flora - Smith, James Edward, 1759 -1828 (Longman, Rees, Orme, Brown and Green, 1828)

The English flora - Smith, James Edward, 1759 -1828 (Printed for Longman, Hurst, Rees, Orme, Brown, and Green, 1824)

The English flora - Smith, James Edward, 1759 -1828 (Longman, Hurst, Rees, Orme, Brown, and Green, 1824)

The English flora. Vol. I - Smith, James Edward, 1759 -1828 (Longman, 1824)

Enhancement restoration and creation of vernal pools at Del Sol Open Space and Vernal Pool Reserve, Santa Barbara County, California - Ferren, Wayne R. (University of California, Santa Barbara, 1988)

Enquiry into plants and minor works on odoÃ¹rs and weather signs - Hort, Arthur, Sir, 1864 -1935 (W. Heinemann, 1916)

Enquiry into plants and minor works on odours and weather signs, with an English translation by Sir Arthur Hort, bart - Hort, Arthur, Sir, 1864 -1935 (W. Heinemann, 1916)

Entomologische berichten - Nederlandse Entomologische Vereniging (1934)

Entomologische berichten - Nederlandse Entomologische Vereniging (1975)

Entomologische berichten - Nederlandse Entomologische Vereniging (1974)

Entomologische berichten - Nederlandse Entomologische Vereniging (2016)

Entomologische berichten - Nederlandse Entomologische Vereniging (2017)

The entomologist's useful compendium, or An introduction to the knowledge of British insects : comprising the best means of obtaining and preserving them, and a description of the apparatus generally used; together with the genera of Linné, and the modern method of arranging the classes Crustacea, Myriapoda, Spiders, Mites and Insects, from their affinities and structure, according to the views of Dr. Leach ; also an explanation of the terms used in entomology; calendar of the times of appearance and usual situations of near 3,000 species of British insects ; with instructions for collecting and fitting up objects for the microscope ; illustrated with twelve plates - Samouelle, George. (Printed for Thomas Boys, No. 7, Ludgate Hall, 1819)

Enumeración de las plantas de la Peninsula Hispano-Lusitana é Islas Baleares, con la distribución geográfica de las especies, y sus nombres vulgares, tanto nacionales como provinciales - Colmeiro, Miguel, 1816 -1901 (Impr. de las Viuda é Hija de Fuentenebro, 1885)

Enumeración y revisión de las plantas de la Peninsula Hispano-Lusitana é Islas Baleares, con la distribución geográfica de las especies, y sus nombres vulgares, tanto nacionales como provinciales - Colmeiro, Miguel, 1816 -1901 (Fuentenebro, 1885)

Enumeración y revisión de las plantas de la Peninsula Hispano-Lusitana é Islas Baleares, con la distribución geográfica de las especies, y sus nombres vulgares, tanto nacionales como provinciales - Colmeiro, Miguel, 1816 -1901 (Fuentenebro, 1889)

Enumeratio fungorum Nassoviae, a Leopoldo Fuckel collectorum - Fuckel, Leopold (J. Niedner, 1860)