RECENT BOOKS AND PAMPHLETS. 



Allen, J. A.— Notes on New or Little-known North American Mammals, based 

 n recent additions to the collection in the American Museum of Natural History. 



latto Grosso, Brazil, made by Mr. 

 Hist., Vol. Ill, No. 2. From the 



Ameghino, F.— Nuevos Restos de Mamiferos Fosiles, 18yl. From the author. 



Annual Report Geological and Natural History Survey of Canada (new series), 

 Vol. IV, 1888-89. From the Survey. 



Ball, W. P.— Are the Effects of Use and Disuse Inherited. From Macmillan & 

 Co., publishers, Londdn. 



Beecher, C. E— Development of Bilobites. 



Development of a Paleozoic Poriferous Coral.— Symmetrical Cell Develop 



ment in the Favositidse. Exts. Trans. Conn. Acad., Vol. VIII, 1891. 



Bulletin No. 4.— Iowa Agricultural Experiment Station, 1891. 



Bulletin No. 11.— Rhode Island Agricultural Experiment Station, 1891. 



Bulletin No. 79.-North Carolina Agricultural Experiment Station, 1891. 



Bull. Soc. Zool. de France Pour l'Annee, 1891. 



BuRMEiSTER, H.— Studien zur Beurtheilung der Descendenzlehre— Soarat-Akug 

 aus Archiv fur Anatomie und Physiologie, 1891. From the author. 



Call, R. E.— A Sketch of the Physical Geography of Iowa. Ext. Ann. Rt -\\ 

 Iowa Weather and Crop Service, 1890, pp. 12-18. From the author. 



Cartailhac, E.— La France Prehistorique d'apres les Sculptures et les Monu- 



Chapman, F.— On the Color-pattern of the Upper Tail-coverts in Colaptes auratus. 

 —On the Birds observed near Corpus Christi, Texas, during parts of March and 

 April, 1891. Exts. Bull. Am. Mus. Nat. Hist., Vol. Ill, No. 2. From the author. 



Chapman, H. C— Memoir of Joseph Leidy, M. D., LL. D. Ext. Proceeds. 

 Phila. Acad. Nat. Sci., June, 1891. From the author. 



Congress American Physicians and Surgeons, second triennial meeting, Sept., 

 1891. 



Cook, A. J.— Kerosene Emulsion. Bulletin Michigan Agricultural Experiment 

 Station, 1891. 



Cooke, J. P.— Laboratory Practice. From D. Appleton & Co., Publishers. 



Extrait de 1' Annuaire Geologique Universal, Tome VI, 1889. From Dr. Trouessart. 



Fall, D._ An Introduction to Qualitative Chemical Analysis. From the author. 



Filhol, H.-Etudes sur les Mamrmferes Fossiles de Sansan, 1891. From the 



Frazer, P.— The Progress of Chemical Theory, its Helps and Hindrances. 

 Reprint Jour. Franklin Inst., April, May and June, 1891. From the author. 



Froriep, Prof.— Zur Entwickelungsgeschiete der Kopfnerven. Sonderabdruck 

 aus den Verhandlungen der Anatomischen G< elKchaft, Munich, 1891. From the 



