By SANDERSON Smith and Temple Prime. Report on the Mollusca of Long Island, 



K. Y., and of its Dependencies. 

 By Theo. a. Tellkampf. Note respecting the Eyes of Amblyopsis speljeus. 

 By E. G. Squier. Observations on a Collection of Chalchihuitls from Central America. 



The current volume, Vol. X, 1871 to 1873, contains to date, 330 pages 

 and 14 plates, and will be completed in the present year. The following 

 is a list of the articles as far as printed : — 



By Geo. N. Lawrence. Descriptions of New Species of Birds from Mexico, Central 

 America, and South America; with a Note on Rallus longirostris. 



By Thomas Bland and W. G. Binney. Notes on the Genus Pineria and on the Lin- 

 gual dentition of Pineria Viequensis, Pfr. 



By Felipe Poey. Genres des Poissons de la Faune de Cuba, appartenant a la Famille 

 Percidse, avec uue Note d' introduction par J. Carson Brevoort. (Plate I.) 



By Thomas Bland and W. G. Binnet. On the Lingual Dentition of Helix turbin- 

 iformis, Pfr., and other species of Terrestrial Mollusca. (Plate II.) 



By Theo. A. Tellkampf. Notes on the Ascidea Manhattensis, DeKay, and on the 

 Mammaria Manhattensis. (Plate III.) 



By William Stimpson. Notes on North American Ci-ustacea, in the Museum of the 

 Smithsonian Institution. (No. III.) 



By Geo. N. Lawrence. Descriptions of three New Species of American Bii-ds, with 

 a Note on Eugenes spectabilis. 



By Edward S. Morse. On tlie Tarsus and Carpus of Birds. (With Plates IV and V.) 



By Thomas Bland and W. G. Binnet. On the Systematic Arrangement of North 

 American Terrestrial Mollusks. 



By Felipe Poey. Monographic des Poissons de Cuba compris dans la sous-famille 

 des Sparini. (With Plates VI and VII.) 



By Geo. N. Lawrence. Descriptions of New Species of Birds of the Genera Icterus 

 and Synallaxis. 



By Thos. Bland. Description of a New Species of Mollusk of the Genus Helicina. 



By Temple Prime. Notes on Specimens of Corbiculadte in the Cabinet of the Jardin 

 des Plantes at Paris, and ou the authorship of the Encyclopedic Methodique. 



By P. Fischer. Note sur 1' Anatomic des Gyrenes Americaines. (Plate VIII.) 



By Thos. Bland and W. G. Binney. On the Relations of Certain Genera of Terres- 

 trial Mollusca of, or related to the Sub-family Succininas. with Notes on the Lin- 

 gual Dentition of Succinea appendiculata, Pfr. (Plate IX, in part.) 



By Thos. Bland and W. G. Binney. Description of Hemphillia, a New Genus of 

 Terrestrial Mollusks. (Plate IX.) 



By Professor Benjamin N. Martin. Essay upon a Necessary Limitation of the Doc- 

 trine of the Unity of tlie General Forces of Nature. 



By W. J. Hayes. Description of a Species of Cervus. (Plate X.) 



By Thomas Bland and W. G. Binney. On the Lingual Dentition of Certa.n Terres- 

 trial Pulmonata Foreign to the United States. 



By Jno. J. Stevenson. The Upper Coal Measures West of the Alleghany Mountains. 

 (Plate XII.) 



By Thomas Bland and W. G. Binney. On the Lingual Dentition of Gaotis. (With 

 plate XI in part). 



