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RECENT BOOKS AND PAMPHLETS. 
Abstract Proceedings Thirty-fifth Annual Meeting Haverford Alumni 
Report Arkansas Geological Survey, 1888. 
Annual Report of the Board of Regents of.the Smithsonian Institution, 1887 and. 
1888, 
AYERS, H.—Contribution to the Morphology of the Vertebrate Bi: Sepanit- 
` Abdruck aus dem PE A Anzeiger, No. , 1890. From the au 
BEAN, T. a ew Fishes Collected off the Coast of Alaska EF ps Adjacent 
Region Northwar eee Proc. U.S. Nat. Mus., Vol. XIII., pp. 37-45. From the author. 
BERGEN, J. Jp F. D.—A Primer of Darwinism and Organic Evolution, From 
thé authors. 
BOETTGER, O.—Bericht iiber die Leistungen in der Herpetologie während | l 
Jahres 1887. From the author, 
` BONNEY, S. G.—On the Crystalline Schists and Their Relation to the Meso ae 
in the Lepontine Ext. Quart. Journ. Geo. Soc., May, 1890. From the ror 
E i : i } 
r. 
etin No, 22, Expt. Stat. Caroll University, Dec., 1890. 
CAPELLINI, G.— Ichyosaurus ee e Tronchi di Cicadee Nelle i 
Scagliose dell’ ak From the author 
CHAPMAN, H. C., and A. P, B ER.—Researches upon Respi iration Made 
: the Physical Laboratory of Jefferson Medical 2 Dae ae the Consumption of Oxyget 
and the Production of Carbon Dioxide in Animals. ts. Proc. Phila. Acad. 
Jan., 189r. From the autho 
Cox; C. tinio is Life. From the auth: yar 
DALL, Description of a New Species of Sand Shell from Cuba—/ 
cubana. Ext. Proc. U. S. Nat. Mus., ma prends = author. E 
DAM 
ES, W. ilio 
arg der deutschen geologischen Caii, Jeki , 1890. From the M 
FRAZER, P.—The Philadelphia Meeting of the Tnternational Congress of 
_ Ext. Am. Geol., June, 1890. From the author. 
FRECH, F—Die Korallen Fauna der Trias. Paleontagraphict g 
dunar. A.—Les Enchainements du monde Animal dans le temps £' 
Fossiles Secondai daires. From the author. 
Surv of New Jersey, Vol. II., Part II., Zoology. Pe 
Goong, G. B.—The Origin of the National Scientific and 1 Educational 5 
tates. 
Vos the a e 
; HECTOR, J —Twenty fourth cat Report of the New Zesind Gai 
and Laboratory. 
