IV. 



INDEX. 



Clements, Dr. Richard, announcement 

 of the death of, 58. 



Clupeinae, synopsis of, by T. Gill, 33. 



Coleoptera, new species of, by J. L. Le 

 Conte, M. D., 338. 



Coleopterous Fauna of Lower Cali- 

 fornia, by J. L. Le Conte, M. D., 335. 



Committees, e'ection of Standing, 20. 



Cope, Edw. D., remarks on Reptiles, 

 73, 75 ; notes and descriptions of 

 Anoles, 205, 208 ; contributions to 

 the Ophiology of Lower California. 

 258, 292; on the Reptiles of Som- 

 brero and Bermuda, 311, 312; on 

 the genera Panolopus, Centropyx, 

 Aristelliger, and Sphrerodactylus, 

 391, 494; observations upon certain 

 cyprinoid fish in Pennsylvania, 522 ; 

 on Elapomorphus, Sympholis, and 

 Coniophanes, 524. 



Corbicula, descriptions of new species 



^ of, by T. Prime, 125. 



Cottus Copei, observations on, by C. 

 C. Abbott, 15. 



Coues, Elliott, monograph of the Trin- 

 geae of N. America, 153, 170 ; notes 

 on the Ornithology of Labrador, 205, 

 215 ; monograph of the genus iEgi- 

 othus, &c, 334, 373. 



Crustacea, notes on certain Decapod, 

 by Wm. Stimpson, 372. 



Curators, report of, 528. 



Cyclades, synonymy of the, by Temple 

 Prime, 25. 



Cynipida?, on the sex of, by Baron 

 Osten Sacken, 150. 



Cvprinoid Fish, remarks on certain, by 

 E. D. Cope, 522. 



Cyprinus corporalis, referred to genus 

 'Semotilus, by C. C. Abbott, 154. 



Cyrena, descriptions of new species of, 

 by T. Prime, 125. 



Diatomacese, notes on, by Dr. F. W. 



Lewis, 61. 

 Durand, E., report on Dr. Linsecum's 



collection of Texas plants, 98. 



Edwards, Wm, H., descriptions of cer- 

 tain species of Lepidoptera of the 

 United States, &c, 152, lo0. 



Elections, of officers, 530 ; of members 

 and correspondents, 531. 



Elliott, D. G., description of a new 

 species of Pitta, 153. 



Ennis, J., exhibited the young of Kale- 

 mys Muhlenbergii, showing certain 

 affinities of this genus, 124. 



Evans, Dr. John T., announcement of 



the death of, 77. 

 Eventognathi, on the classification of, 



by T. Gill, 6. 



Fishes, on some genera of, from west- 

 ern coast of N. America, by T. Gill, 

 164. 



Fisher, James C, resignation of, as 

 Librarian, 257. 



Fossils, descriptions of new species of 

 tertiary, by Wm. M. Gabb, 367 : de- 

 scription of new cretaceous, by Wm. 

 M. Gabb, 318, 363 ; ditto, by F. B. 

 Meek, 314; descriptions of palaeo- 

 zoic, from Illinois and Iowa, by Meek 

 and Worthen, 128 ; descriptions of 

 new cretaceous, from Vancouver and 

 Sucia islands, by F. B. Meek, 314 ; 

 descriptions of new palaeozoic, from 

 Kentucky and Indiana, by S. S. 

 Lyon, 409 ; descriptions of new lower 

 Silurian, Jurassic, Cretaceous and 

 Tertiary, by F. B. Meek and F. V. 

 Hayden, 415. 



Gabb, Wm. M., synopsis of American 

 cretaceous Brachiopoda, 1, IS; re- 

 marks on the Gryphsea calceola and 

 the Ostrea Marshii, 21 ; announced 

 his having discovered an outcrop of 

 the Ripley group near Gloucester, 

 124 ; list of the Mollusca inhabiting 

 the neighborhood of Philadelphia, 

 258, 306 ; descriptions of new cre- 

 taceous fossils from New Jersey, &c, 

 311, 318 ; descriptions of new tertiary 

 American fossils and a carboniferous 

 cephalopod, 334, 367 ; notes on cre- 

 taceous fossils, and descriptions of 

 new species, 334, 363 ; monograph 

 of the Polyzoa of the secondary and 

 tertiary formations of N. America, 

 334, 335; revision of the species of 

 Baculites described in Dr. Morton's 

 synopsis of the cretaceous group of 

 the United States, 390, 394. 



Gastrochaenidas, synopsis of the recent 

 species of, by G. W. Tryon, Jr., 465. 



Gill, Theodore, catalogue of the Marine 

 Fishes of the eastern coast of North 

 America, 1 ; description of a new 

 species of Anableps, 1, 3 ; on the 

 classification of the Eventognathi, or 

 Cyprini, 1, 6 ; appendix to the mo- 

 nograph of the Phylipni, and descrip- 

 tion of the genus Lenibus of Giinther, 

 2, 16; synopsis of the subfamily 

 Clupinse, with descriptions of new 



