468 



NATURE 



\_Sept 23, 1 875 



&c.— Helminthological observations by Dr. Ercolani, on di- 

 morphisms, on FUaria immitis, and on a new species of 

 dog Distoma. — Anatomical , description of the eye of the 

 European mole, by Dr. Ciaccio. — On the organisation of the 

 brain of Eolidida, by Dr. Trinchese. — On the changes of form of 

 Amoeba Umax, by the same. — On a non-microscopic new and 

 rare pai-asitic fungus, which is developed on the larva of a living 

 cricket, by G. Bertoloni. — Analytical remarks on some theorems 

 of Feuerbach and Steiner, by Prof. E. Beltrami, — On the 

 continuity of feeling, by Dr. D. C. Biagi. — On the reasons of 

 the low statures which were generally observed amongst the 

 conscripts of the last decennium in some communities in the 

 neighbourhood of Bologna and other districts of Italy, by Dr. 

 P. C. Predieri. — New observations on the minute structure of 

 muscular fibre, by Dr. Ercolani. — Proofs for the contemporariness 

 of the glacial epoch with the Pliocene period at Balerna and at 

 Monte Mario, on the Rhine, by G. A. Bianconi. — On the effects 

 of electric sparks on phosphorus in hydrogen, in nitrogen, in 

 ammonia, and in muriatic acid ; and on the effects of electric 

 currents on water, on sulphuric acid, on alcohol, and on bi- 

 sulphide of carbon, by Dr. Santagata. — Researches on capillary 

 tubes, by Prof. Villari. 



Sitzungsberichte der naturwissenschaftlichen Geiellschaft Isis 

 in Dresden, October to December, 1874. — The meetings of this 

 society are divided into five classes, besides general meetings, viz. , 

 one for mineralogy and geology, one for prehistoric archaeology, 

 one for chemistry, physics, and mathematics, and one each for 

 botany and zoology. — The more important papers read in the 

 different sections during the last three months of 1874 were : — In 

 the mineralogy and geology class : On a peat-like formation 

 occurring at Lindenau, near Leipzig, containing a great number 

 of beetles, one or two species ot -which are now extmct, by Von 

 Kiesenwetter. On a number of minerals collected during a tour 

 in Saxony, by E. Zschau. On the occurrence of calc-sinter near 

 Quedlinburg, by Herr Ackermann. — In the botany class : On 

 hedge plantation in Australia, by W. Ferguson. On the culture 

 of plants in rooms, particularly of Palm^, by Adolph Petzold. 

 Report of the results of botanical excursions made during 1874, 

 by A. Voigt. — In the zoology class : Remarks by Th, Kirsch, on 

 " Darwinism and the Researches of Cuvier and Newton," a work 

 lately published by Herr Wiegand.— On Haeckel's calcareous 

 sponges and his Gastreea theory, by Herr Ebert. — In the arche- 

 ology class : Report on the Archeeological Congress at Stock- 

 holm, by Dr. Mehwald. On some flint implements from the 

 cave near Rochefort, by Dr. Geinitz. On a piece of reindeer 

 horn upon which rough drawings of horses are visible, and which 

 was found near Thayingen, in Switzerland, by the same. — In the 

 physico-chemical class : — On ozone, by Dr. Schiirmann, a highly 

 interesting and elaborate paper ; the author gives a detailed 

 account of the history of ozone, and then speaks of its properties, 

 preparation, reactions, presence in the atmosphere, action on the 

 animal organism, and thoroughly exhausts the subject. On 

 tables for barometrical measurements of heights, by Prof. Neu- 

 bert. Meteorological phenomena observed at Dresden during 

 1874, by Herr Fischer.— At the general meetings, a paper on 

 the earthquakes of the sixteenth and seventeenth centuries was 

 read j the others being all of minor interest. 



SOCIETIES AND ACADEMIES 



Paris 

 Academy of Sciences, Sept. 13.— M. Fremyin the chair. 

 —The following papers were read :— A note by M. Faye 

 relating to the approaching eclipse of the sun.— M. Bertrand 

 then made some remarks on the paper read at the last meeting 

 by M. Bienayme.— Report on a memoir by M. Lefort, entitled 

 " Critical examination of the basis of calculation usually adopted 

 to appreciate the stability of metal bridges with straight pris- 

 matic beams, and propositions for the adoption of a new basis."— 

 Report on M. Boussinesq's paper on the theory of flowing waters. 

 —Memoir on the observations made at Peking of the I'ransit of 

 Venus, by Mr. J. C. Watson, chief of the American expedition. 

 —A note on the greasy matter in the grain of the oil-tree of 

 China, by M. S. Cloez.— On the development of Heteropoda, 

 by M. H. Fol.— On the migrations and metamorphoses of 

 marme enaoparasitic Trematoda, by M. A. Villot.— On some 

 reactions of hremoglobine and its derivatives, by M. C.Husson.— 

 un the probable origin of the two hailstorms observed on July 

 7 anu S, m some parts of Switzerland and the South of France, 



by M. D. Colladon. — On the non-regeneration of the crystalline 

 lens in man and in rabbits, by M. J. Gay at. 



Vienna 



K.K. Geologische Reichsanstalt, April 6.— On Miocene 

 chestnut trees, by O. Heer. — Diallogite after manganese blende 

 and barytes ; pseudomorphs after fahl-ores of Przibram, by Ed. 

 Doll. — On the occurrence of native gold in the mineral shells of 

 Verespatak, by F. Posepny. — On the Culm flora of the Moravian- 

 Silesian roofing slates, by D. Stur. 



April 20. — On remains of Ursus spelteus from the cave of 

 Igritz, by F. von Hochstetter. — On the meteorite of Lance, 

 by R. von Drasche.— On a geological detailed map of the 

 surroundings of the Seisser Alp and of St. Cassian, by E. vort 

 Mojsisovics. — On a map of the upper Vilnoss and the lower 

 Enneberg valleys, by R. Homes. — Geological report from the 

 investigation district of the Oetz-valley group, by G. A. 

 Koch. 



May 4. — Presentation of a new special map of the Austro- 

 Ilungarian Monarchy, F. v. Hauer. — Characteristics of some 

 mi nerals occurring on the Przibram ore deposits, by F. Babanek. 

 — Report by Dr. E. Tietze from his travels in Persia.— On a 

 new fossil resin from the Bukowina, by J. von SchriJckinger.— 

 On Cervus megaceros from Nussdorf, by Dr. F. von Hochstetter. 

 — On a human cranium found in the diluvial Loess of Manners- 

 Forf, by Dr. J. Woldrich. — On Noric formations in Transylvania, 

 by E. von Mojsisovics. — On the phosphorites of the Lavant valley, 

 by H. Wolf. 



GOTTINGEN 



Royal Society of Sciences, July 10. — At this meeting of 

 the Society the following papers were read : — On the electric 

 elementary laws, by Herr Riecke. — A note on the toxicological 

 action of phenols, in particular of thymol, by Th. Husemann. — 

 On Rotteken's eye of Actinia, by Dr. Hub. Ludwig. — A note by 

 Herr Fromme on the maximum of temporary magnetism in soft 

 iron. — On the potential function in space extended in several 

 directions, by M. Jouelli. 



BOOKS AND PAMPHLETS RECEIVED 



British.— The Royal Tiger of Bengal: Dr. J. Fayrer, M.D., F.Z.S. 

 (Churchill).— Jummoo ^and Kashmir Territories. A Geographical Account, 

 by Frederic Drew, F.R.G.S., F.G.S. (E. btatiford).— ProcSedings of the 

 Berwickshire Naturalists' Club. — Brande and Cox's Dictionary o: Science, 

 Literature, and Art. 3 vols., new edit. (Longmans).— Further Researches in 

 the Mathematical Science, by the author of '" The Two Discoveries " (Bridge- 

 water, Pine).— Bristol and its Environs (Bristol : Wright and Co.)— The 

 Geology of British Guiana: C. S. Brown, F.G.S., and J. G. Sawkins, 

 F.G.S, (Longmans).— A Manual of Mollusca : S. P. Woodward, A.L.S , 

 F.G.S. (Lockwood).— The Native Races. VoLiii. : Hubert Howe Bancroft 

 (Longmans). — Tapeworms : T. Spencer Cobbold, M.D., F.R.S , F.L.S. 

 (Longmans).— An Introduction to Animal Physiology : E. Tully Newton, 

 F.G.S. (Murby).— The Abode of Snow: Andrew Wilson (Blackwood).— 

 Quarteriy Journal of the Geographical Society (Longmans).— Journal of the 

 Scottish Meteorological Society (Blackwcod). 



Colonial.— Centrifugal Force and Gravitation. Six parts : John Harris 

 (Montreal).— The Immortality of the Univeise : J A. Wilson (Melbourne, 

 G. Robertson).— Report of the Meteorological Reporter of Bengal.— Report 

 of the Nidnapore and Burdwan Cyclone. — Magnetical and Meteorological 

 Observations at the Magnetic Observatory, Toronto, Canada, 1841 to 1871 

 (Toronto : Copp, Clark, and Co.) 



CONTENTS Pagb 



Helmholtz on Tone 4.^9 



Our Book Shelf:— 



Guide to the Geology of London and the Neighbourhood . . . 45:^ 



Snioland ; or, Iceland, its Jokulls and Fjalls 453 



Report on the Neilgherry Loranthaceous Parasitical Plants destruc- 

 tive to Exotic Forest and Fruit Trees 451 



Letters to the Editor:— 



Personal Equation in the Tabulation of Thcnnogranis, &c.— The 



Reviewer ._, 



Ocean Circulation. -Dr. W. B. Carpkntek, FR.S' .' .' .* .' ." 45.1 



Source of Volcanic Energy.— Wm. S. Green 455 



Gryostat Problem : Spinning-top Problem.— F. M. S. . .' . .' .' 45^ 

 Our Astronomical Column :^ 



The Mass of Jupiter 41;- 



TiiE Hopkins University, U.S. ..... ' ' ' ' 1^6 



Science in Germany ' Zfy 



The. Laws OF Storms (H^t/A li/usiraiiaus). . . ..".*.'.*"' I=, 



Notes ..:.....'.'. 4 5^ 



The British Association :— - 



Reports .f5r 



Sectional Proceedings , ^fa 



Section A.— Mathematics and Physics ...'.'. 463 



Section B.— Chemical Science ... 463 



Section D.— Biology 46^ 



Scientific Serials . . . 467 



SoCIKTIHS.AfID ACADBMIBS . . . . . , a^^ 



Books and Pamp«let§ Rbcbived , 468 



