4 



Lecture on the Camel , delivered before the Smiths. Inst, by H. G. P. Marsh. 

 Von der Smithsoniaii Institution in Washington. 

 Schriftentauscb. 



Report of the Commissioner of Patents for the Year 1853. Washington 

 1854. Agriculture. 



Von der United States Patent Office zu Washington. 

 Proceedings of the Boston Society of Natural History» Boston. Jänner 1854. 

 bis März 1855. 



Von der Boston Society of Natural History. 



Anschluss zam Schriftentausch. 



Ausser diesen ist der Verkehr zam Schriftentaas che eingeleitet mit der : 



American Academy in Boston. 



Academy of Natural History in California. 



Academy of Natural History in New-Orleans. 



Academy of Natural History in Philadelphia. 



Agricultural Society in Ohio, Michigan und New-York State. 



Societe des sciences de Finlande in Helsingfors. 



Agassiz Louis. The principles of Classification in the animal kingdom, 

 the structure of the Halcyonoid Polypi ; the morphology of the 

 Medusae. Charleston 1850. 



— On extraordinary fishes from California, constituting a new family. 



New Häven 1853. 



— Primitive diversity and number of animals in geological times 1854. 



— Nolice of a coUection of fishes from the southern bend of the Ten- 



nessee River, Alah. New Häven 1854. 



— On ichlhyological Fauna of the Pacific slope of North America. 



Le Conte, L. Notes on the Classification of the Carabidae of the United 

 States. 1853. 



— Analytical table of the species of Hydroporus found in the United 



States, with description of new species. 



— Synopsis of the Pyrochroides of the United States. 



Geschenk der Herren Verfasser. 



De ibos Jos. Theses presentees ä la faculte des sciences de Paris pour ob- 

 tenir le grade de Docteurdes sciences naturelles. Bordeaux 1854. 

 Geschenk des Herrn Dr. M. Hörn es. 



Zur Vertheilung an Lehranstalten. 

 Käfer, von den Herren Dr. Giraud, J. Hofmann, Em. K a u t e z k y. 

 Schmetterlinge, von den Herren J. Finger, W. Schleicher und A. 



R o g e n h f e r. 

 Ameisen, von Herrn Dr. G. M a y r. 



