1883.] NATURAL SCIENCES OF PHILADELPHIA. 345 



Bourguignot, J. R. Lettres malacologique a MM. Brusina d'Agram et Kobelt 

 de Francfort. The Author. 



Description du nouveau genre Gallandia, 1880. 

 Recensement des Vivipara du syst^me Europeen, 1880. 

 Description de diverses espfeces de Coelestele et de Paladilhia decouvertes 

 en Espagne par le Dr. G. Servain, 1880. Jos. Jeanes. 



Brauer, F. Offenes Schreiben als Antwort auf Herrn Baron Osten-Sacken's 

 " Critical Review " meiner Arbeit iiber die Notacanthen, 1883. 



The Author. 

 Brefeld, 0. Botanische Untersuchungen iiber Hefenpilze. V H. 



I. V. Williamson Fund. 

 Brinton, Daniel G. Recent European contributions to the study of American 

 Archeology. The Author. 



British Museum. Catalogue of the birds in the. Vols. 7 and 8, 1883. 



The Trustees. 



Bronn's Klassen und Ordnungen des Thier-Reichs. ler Bd., Protozoa, neue 



Bearbeitet von Dr. 0. Biitschli, 1-19 Lief. ; 6er Bd., II Abth., 9-11 Lief.; 



6er Bd., Ill Abth., 35-40 Lief. ; V Abth., 26 Lief. Wilson Fund. 



Brongniart, Chas. Les Gregariniens. 



Notices scientifiques. Conferences faites devant la " Soci^t^ scientifique de 



lajeunesse" F. V. Hayden. 



Brooklyn Library. 25th annual report of the Board of Directors, March 29, 



1883, and Bulletin No. 17. The Directors. 



Briihl, C. B. Zootomie aller Thierklassen. Atlas, Lief. 26, 27. 



I. V. Williamson Fund. 

 Buckton, Geo. B. Monograph of the British Aphides. Vol. IV. 



I. V. Williamson Fund. 

 Bucquoy, E., Ph. Dautzenberg and G. Dollfuss. Les mollusques marins du 

 Roussillon. Fasc. 3 and 4. I. V. Williamson Fund. 



Bureau of Education. Circulars of Information. No. 2, 1882—1883. 

 National pedagogic congress of Spain. 

 Natural science in secondary S3hools. 



Instruction in moral and civil government. Department of the Interior. 



Bureau of Ethnology. First annual report. 1881. Smithsonian Institution. 



Bureau of Statistics. Treasury Department. Quarterly report. June 30, 



and Sept. 30, .1883. The Department. 



Cabral, F. A. de V. Pereira. Estudo de depositos superficaes da Bacia do 



Douro. 

 Caligny, Anatole de. Recherches th6oriques et experimentales sur les oscil- 

 lations de I'eau. le et 2e partie. The Author. 

 Cardim, Fernao. Do principle e origem dos indios do Brazil e de sens costumes, 

 adoracao e ceremonias. 1881. 0. A. Derby. 

 Carr, Lucien. The mounds of the Mississippi Valley, historically considered. 

 Cams, J» V. Ueber die Leptocephaliden. I. V. Williamson Fund. 

 Caspari, H. Beitrage zur Kenntniss des Hautgewebes der Cacteen. 1883. 



I. V. Williamson Fund. 

 Catalogue of the officers and students of Yale College. 1882-1883. 



The Corporation. 

 Cheesman, L. M. Ueber den Einfluss der mechanischen Harte auf die mag- 

 netischen Eigenschaften des Stahles und des Eisens. 1882. 



University of Wiirzburg. 

 Chief of Bureau of Statistics, Treasury Department. Quarterly report, Msrch 

 31, 1883. Treasury Department. 



Chief of Engineers, U. S. A. Annual report. Parts I, II, III, 1882. 



Engineer Department, U. S. A. 

 Chief of Ordnance. Report of. 1882. War Department. 



Chief Signal Officer. Annual reports of the. For 1880-1881. War Department. 



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