The American Xuturalixt. 



RECENT BOOKS AND PAMPHLETS. 



Allen, H. — Descriptio 

 remarks on Carollia brevu 

 291-298. From the Museum. 



Baur, G.— Notes on Some Little-known American Fossil Tortoises. Ext. Pro- 

 ceeds. Phil. Acad., 1891, pp. 411-430. From the author. 



, P. Seal in Chesapeake Bay at Cape Charles 

 Proceeds. U. S. Nat. Mus., Vol. XIV, Pr . 



Boss, L.— A Statement in Respect to tke United States Naval Observatory and its 

 Organization. Albany, 1891. From the author. 



Bull. American Association of Conchologists, Oct. 1, 1890. 



Butler, A. W. — Notes on the Range and Habits of the Carolina Parrakeet. Ext. 

 Auk., Jan., 1892. From the author. 



Bulletin of the Essex Institute, July, Dec, 1891. 



Chapman, F. A. — Preliminary Study of the Grackles of the sub-genus Quiscalus. 

 Ext. Bull. Am. Mus. Nat. Hist., Vol. IV, pp. 1-16. From the Museum. 



Clevenger, S. V.— Softening of the Brain. Ext. the Times and Register, July 4, 

 1891. From the author. 



Cragin, F. W.— On a Leaf bearing Terrane in the Loup Fork. 



New Observations of the Genus Trinacromerum. Ext. Am. Geol., Sept., 



1891. From the author. 



Deperet, C— Sur l'Existence d't 



Dixon, S. G.— Possibility of Establishing Tolerance for the Tubercle Bacillus. 

 Ext. Med. News, Oct. 19, 1889. From the author. 



Dollo, L.-Premiere Note sur les Mosasauriens de Maestricht. Ext. Bull. Soc. 

 Beige de Geol., Tome IV, 1890. From the author. 



Eigenmann, C. H., and R. S. Eigenmann.— A Catalogue of the Fresh Water 

 Fishes of South America. Ext. Proceeds. U. S.Nat. Mus., Vol. XIV, pp. 1-81- 



Evermann, B., and O. P. Jenkins.— Report upon a Collection of Fishes made at 

 Guaymas, Sonora, Mex., with descriptions of new species. Ext. Proceeds. U. S. 

 Nat. Mus., Vol. XIV, pp. 121-165. From the Museum. 



Flower, W. H.— The Horse. A Study in Natural History. London, 189L 



Forbes, S. A.— On an American Earthworm of the Family Phreoryctidse. 



An American Terrestrial Leech. Ext. Bull. 111. Lab. Nat. Hist., Vol. HI- 



From the author. 



Garman, H.— An Undescribed Larva from Mammoth Cave. Ext. Bull. Ess. 

 Inst., Vol. XXIII, 1891. 



On a Singular Gland Possessed by the Male Hadenoecus subterranecus. Ext. 



