52 [April. 



April ^th. 



The second portion of the Rivoli collection of Birds, containing two thousand 

 five hundred and eighty-four specinnens. Deposited by Dr. T. B. Wilson. 



Mounted Skeleton of Vulpes fulvis. From Mr. Ashmead. 



Two fragments of the jaWs of a new fossil genus of Mammalia, {Merycoidodon 

 Cidbertsonii, Leidy,) found near the " Black Hills," Western Missouri. De- 

 posited by Mr. Joseph Culbertson. 



Fifteen additional Peruvian crania from Pisco, and one Peruvian vase. Deposi- 

 ted by Dr. Morton. 



Original specimen of Picus Lecontei. Deposited by Dr. William L. Jones, of 

 Riceboro, Georgia. 



April 18th. 



Two hundred and seventy-eight specimens from the Crag, Chalk, Lias, and 

 Upper Silurian formations of England, and ten additional specimens from the 

 Benett collection. Deposited by Dr. Wilson. 



DONATIONS TO THE LIBRARY 



In Makch and April, 1848. 



Fnigmens d'histoire naturelle systematique et physiologique sur les Musair- 

 aignes : par G. L. Duvernoy. 4to. From Dr. Morton. 



Organon der Weltgeschichte von Dr. J. H. Pulte. 8vo. From the Author. 



Literary Record and Journal of the Linnean Association of Pennsylvania Col- 

 lege, Vol. 4. No. 5. From the Association. 



The Journal of the Indian Archipelago and Eastern Asia. Nos. 4 and G. 

 From the Editor. 



Caloric, origin, matter and law of the Universe. By Trastour. From the 

 Author. 



Metamorphosis et historia Naturalis [nsectorum. Auctore Joanne Goedartio. 

 2 vols. 12mo. From Dr. Leidy. 



Memoir on the reproduction of the Opossum. By Charles D. Meigs, M. D. 

 From the Author. 



System der Urweltleichen Konchylien : Von Heinrich G. Brown. Folio. 

 From Dr. Griffith. 



Dial of the Seasons, or a portraiture of Nature. By Thomas Fisher. 8vo. 

 From the Author. 



The following were deposited by Dr. Wilson : 



Nouveaux elernens de Botanique et de Physiologic vegetale : par Achille 

 Richard. 4th edition. 8vo. 



The Entomology of Australia. By George Robert Gray. 4to. Part 1. Genus 

 Phasma. 



The natural history of many Zoophytes, collected by the late John Ellis, Esq., 

 and arranged and described by the late Daniel Solander, M. D. 4to. 



Die im Bernstein befind lichen organischen reste der Vorwelt von Dr. George 

 Carl Berendt. Part 1. Folio. 



Fauna Caspio-Caucasia, nonnuUis observationibus novis illustravit Edwardus 

 Eichwald. 4to. 



Lectures on Physiology, Zoology, and the natural history of Man. By William 

 Laurence. 8vo. 



Essai historique sur les Races Anciennes et Modernes de I'Afrique Septentrio- 

 nale; par Pascal 1 Duprat. 8vo. 



An Introduction to the study of Natural History, in a series of Lectures, 

 delivered in New York by Professor Agassiz. 8vo. 



Travels in North America, in the years 1841-2. By Charles Lyell, Esq. 

 F. R. S. 2 vols. 8vo. 



Rapports du Physique et du Moral de I'Homme • par P. J. G. Cabanis. 2 vols. 

 8vo. 



