534 



GENERAL SCIENCE. 



Hopkinson, John. On Dexolites gracilis, a new Siberian Annelide. 

 On the structure and affinities of the genus Dicranograptus. On 

 Dicellograpsns, a new genus of Graptolifces. On some new 

 species of Graptolites from the South of Scotland. 



8°. [London, 1870-72.] 

 Excerpts from the ' Geological Magazine.' 

 Hoppe, Beinhold. Tafeln zur dreissigstelligen logarithm is chen Rech- 

 nung. 8°. Leipzig, 1876. 



Hoppius, Ohr. Emm. Anthropomorpha : diss. 1760. (Linn. Amcen. Tl.) 



8°. Holmise, 1763. 



Hoppus, E. Hoppus's Tables for Measuring ; or practical measuring 

 made easy by a new set of tables. Eighteenth edition. 



12°. London, 1823. 



Hopton, Arthur. Baculum Geodseticuin, siue Viaticum ; or the Geo- 

 deticall Staffe. 4°. London, 1610. 



Speculum Topographicum ; or the topographicall glasse ; con- 

 taining the vse of the topographicall glasse ; theodelitus ; plaine 

 table and circumferentor ; with many rules of geometry, as- 

 tronomy, topography, perspectiue, and hydrography. 



4°. London, 1611. 



Hopton, William. Explosions in Coal-mines. See Greswich, Galloway , 



and Hopton : Hermon Prize Essays. 1874. 

 Horaninow, Baulus. Theoria Syphilidis ej usque Therapise Universse 



Compendium. [Thesis.] 8°. Petropoli, 1823. 



Horatiis, Cesare de. Nuovi Elementi della Scienza Acustico-musicale 



applicabili alia Scienza delle Arti. 8°. Napoli, 1865. 



Horbye, C. Observations sur les phenomenes d'Erosion en Norvege 



. . . publiees par B. M. Keilhau : Programme de l'Univ. 



4°. Christiania, 1857. 



Horcher, Philipp. Libri tres ; in quibus . . . constructio Circini 

 Proportionum edocetur . . . utilitas illustratur. 



4°. Moguntia3, 1605. 



Hbring, Adolf. Versuche liber das Unterscheidungsvermogen des 

 Horsinnes fiir Zeitgrossen : Inaug. -Dissert. 8°. Tubingen, 1864. 



Horn, Balthasar. Untersuchungen iiber das Entstehen von Hernien, 

 mit einer geschichtlichen Uebersicht der bedeutenderen Theorien 

 iiber den Bruchmechanismus : Inaug. -Dissert. 4°. Giessen, 1869. 



Horn, George. An entire new Treatise on Leeches. 8°. London, 1798. 



Hornborg, Bogislaus. Specimen Academicum de Transmutatione 

 Frumentorum. 4°. Upsalise, [1757.] 



Home, D. B. de. Examen des principals methodes d'administrer le 

 Mercure, ponr la guerison des Maladies Veneriennes. 



8°. Londres, 1769. 



Exposition raisonnee des differentes methodes d'administrer le 



Mercure dans les Maladies Veneriennes, precedee de l'examen 

 des preservatifs. 8°. Paris, 1774. 



