XL 



Lelirbiich del- Anatomic and Physiologie der Gewachse, Von H. Schacht. 1 

 Thlel, 8vo, Berlin. 



Die Gesteinslehre. Von B. Cotta. 8vo. Freiberg, 1855. 



Uebcr organische Reste der Letten Eohlengruppe Thtiringens. Von J. G. 

 Bornemann. 4to p. Leipzig, 1856. 



Algarum Unicellularium genera nova et minils cognita. Auctore A. Braun. 

 4to p. Lipsiae, 1855. 



Der Geschleclitsapparat der Stylamraatophoren in tasonomischer Hinsicht ge- 

 wiirdigt. Von A. Schmidt. 4to p. Berlin, 1855. / 



Mmj lath, 



American Journal of Science and Arts, May, 1856. From the Editors. 



Publications of the Historical Society of Pennsylvania ; Chambersburg in the 

 Colony and the Revolution ; a sketch by Lewis H. Ganard. 8vo. Philadelphia, 

 1856. From the Society. 



Charleston Medical Journal and Review, May, 1856. From the Editors. 



The Canadian Naturalist and Geologist. By E. Billings. Vol. 1, Nos. 1 and 2. 

 From the Editor. 



Standard Alphabet for reducing Unwritten languages and foreign graphic 

 systems to a uniform Orthography in European letters. By Dr. R. Lepsius. 8vo 

 p. Loudon, 1855. From the Author. 



Proceedings of the Boston Society of Natural History, Vol. 5, pp. 305 336. 

 From the Society. 



Catalogue of the books belonging to the Library Company of Philadelphia, 

 vol. 3, 8vo. Philadelphia, 1856. 



First and second Reports of the Geological Survey of Missouri. By G. C. Swal- 

 low. 8vo. 1855. From Dr. B. F. Shuraard. 



Synopsis of the classification of the Paleozoic rocks. By Rev. A. Sedgwick ; 

 with a systematic description of the British Palasozoic Fossils. By F. McCoy. 

 4to. London, 1855. From Prof. Sedgwick. 



On the Sandstone Fossils of Connecticut River. By James Deane, M. D. 

 4to p. From the Author. 



Untersuchungen iiber dur inneren Bau einiger Rbeinischen Brachiopodon. 

 Von Dr. Fr. Sandberger. 8vo p. From the Author. 



June 3d. 



The following were presented by Dr. Wilson, on the Usual condition: 



The Zoology of the voyage of the Herald. Reptiles and Fishes ; by Sir J. 

 Richardson. Botany ; by B. Seemann, Ph. D. Parts 1 5, 4to. 



Catalogue of LepidopteroUs Insects in the collection of the British Museum. 

 Part 1. Papilionid;e. 4to. London, 1852. 



Catalogues of the British Museum in 8vo. viz. ; Mammalia, part 2 ; Fish, 

 marine Polyzoa, parts 1 and 2 ; Mollusca, part 4 ; Shells of Soutla America col- 

 lected by M. D'Orbigny ; Shells of Cuba, collected by M. La Sagra ; Shells of 

 the Canaries, collected by MM. Webb and Bertholet; Bivalve Shells, part 1 ; 

 Terrestrial operculated Mollusca ; Entozoa ; Nomenclature of Diptera, No. 1 ; 

 Lepidoptera, parts 1, 2, 12 and 16 ; Neuroptera, parts 1, 2, 3, 4; Nomenclature 

 of Neuroptera ; Hymcnoptera, parts 1 and 2 ; Nomenclature of Hymenoptera ; 

 Coleoptera, part 1 ; Parasitic insects, . 



Crania Britannica, by J. B. Davis and J. Thurnam, M. D. Decade 1, 4to. 

 London, 1856. 



Geological map of Europe, by Sir R. Murchison, Prof Nicol and A, Keith 

 Johnston. 



Tenby, a sea-side Holiday. By P. H. Gosse. 8vo. London, 1856. 



Insecta Brittanica, Diptera, Vol. 3. By F. Walker. 8vo. London, 1856. 



Chonchologia Iconica. By Lovel Reeve. Part 153. London, 1856. 



Annales des Science? Naturelles. 4me serie, Vol. 4, No. 4. 



Comptes Rendus. T. 42, Nos. 14, 15. 



London Athcnanim. April, 1856. 



