INDEX. 



V. 



with descriptions of two new fossil 

 Corals, and description of a new spe- 

 cies of Pentamenis, 119 : By Major 

 Le Conte, notice of American Ani- 

 mals formerly known, but now for- 

 gotten or lost, 2 ; observations on 

 Vespertilio leporinus, and descrip- 

 tions of (our new species of Kinoster- 

 num, 174 ; descriptions of new spe- 

 cies of Astacus from Georgia ; on a 

 new species of Gelasimus ; remarks 

 on a new species of American Cimex, 

 399; observations on N. American 

 Bats; descriptive catalogue of Ra- 

 ninae, 419 ; description of a new spe- 

 cies of Hesperomys, 4 19 : By Isaac 

 Lea, rectification of Mr. T. A. Con- 

 rad's synopsis of the family Naiades 

 of N. America, published in Proc. A. 

 N. S. Philada., Feb., 1S53, 15; de- 

 scription of a new Mollusk from the 

 red sandstone, near Pottsville, Pa., 

 346 : By Dr. Le Conte, descriptions 

 of some Coleoptera from Oregon, 

 collected by Dr. J. G. Cooper, &c, 

 15 ; synopsis of the CEdemeridae of 

 the V. States, 15 ; note on the genus 

 Amblychila, 23 ; synopsis of the spe- 

 cies of Platynus and allied genera 

 inhabiting the U. States, 34 ; synop- 

 sis of the Cucuiides of the U. States, 

 69 ; notes on some coleopterous In- 

 sects from the collections of the 

 Mexican Boundary Expedition, 70 ; 

 synopsis of Dermestida? of the TJ. 

 States, 91 ; synopsis of the Byrrhidae 

 of N. America, 91 ; synopsis of the 

 Erotylidce of the U. States, 128 ; de- 

 scriptions of the species of Trox and 

 Omorgus inhabiting the TJ. States, 

 202 ; descriptions of new Coleoptera 

 collected by Dr. Webb, of the U. 

 States Mexican Boundary Commis- 

 sion, in 1850-'2,2 f '3 ; synopsis of the 

 Pyrochroides of the U. States, 2C5 ; 

 synopsis of the Lathridiides of the TJ. 

 States and contiguous territories, 285; 

 analytical table of the species Hy- 

 droporus found in the TJ. States, with 

 descriptions of new species, 285; 

 notes on the Amaras of the TJ. States, 

 345 ; synopsis of the Hydrophilida? of 

 the TJ. States, 345: By Prof. Baird 

 and C. Girard, descriptions of new 

 species of Fishes, collected in Texas, 

 New Mexico and Sonora, by Mr. 

 Clark, and in Texas by Capt. Van 

 Vleit, U. S. A., 23 ; notice of a new 

 genus of Cyprinidas, 128: Bv Prof. 

 Baird, descriptions of new species of 

 N. A. Ranaeformes and Hylaeformes, 



in the Museum of the Smithsonian 

 Institution, 34 ; descriptions of new 

 Birds collected between Albuquer- 

 que,New Mexico, and San Francisco, 

 Cal., 91 ; characteristicsof som new 

 species of N. American Mammalia, 

 collected chiefly during the U. S. 

 survej s of a railroad ronle to the Pa- 

 cific, part I., 336 ; characteristics of 

 some new species of N. American 

 Mammalia, collected by TJ. S. and 

 Mexican Boundary Survey under Ma- 

 jor Emory, TJ. S. A., 336": ByJ.W. 

 Dawson, on fossil coniferous Wood 

 from Prince Edward's Island, 35. By 

 W. Dudley, description of a new- 

 species of Crane found in Wisconsin, 

 35: By Lieut. Couch, TJ. S. A., 

 notes on Birds observed in Texas 

 and in the States of Nueva Leon, 

 Tamaulipas and Coanuila, Mexico, 

 with descriptions of new species, 35 : 

 By Dr. Hallowell, descriptions of 

 new Reptiles from California, and on 

 a genus and species of Serpent from 

 Honduras, presumed to be new, 89 ; 

 remarks on the geographical distri- 

 bution of Reptiles, with descriptions 

 of several species supposed to be new, 

 and corrections of former papers, 90; 

 notices of new Reptiles from Texas, 

 174 ; contributions to South Ameri- 

 can Herpetology, 127: By Dr. W. P. 

 Gibbons, descriptions of new species 

 of viviparous Fishes of California, 90; 

 descriptions of new species of vivipa- 

 rous, marine and fresh-water Fishes 

 of California, 121 : By Drs. Evans 

 and B. Shumard, descriptions of new 

 fossil species from the cretaceous 

 formation of Sase Creek, Nebraska, 

 91 ; descriptions of new fossil species 

 from the fresh-water Tertiary forma- 

 tion of Nebraska, 127 : By Dr. Leidy, 

 synopsis of extinct Mammalia from 

 Nebraska, 127 ; description of a fos- 

 sil apparently indicating a species of 

 the Camel tribe, 167; on Urnatella 

 gracilis and a new species of Pluma- 

 tella, 174 ; notice of some fossil 

 Bones discovered on the banks of the 

 Ohio River, 195; remarks on the 

 identity of Bootherium cavifrons with 

 Ovibos moschatus, or O. maximus, 

 202 ; indications of twelve species of 

 fossil fishes, 395; contributions to a 

 knowledge of the marine Inverte- 

 brate fauna of the coasts of Rhode 

 Island and New Jersey, 399 ; indica-' 

 tions of five species and two new ge- 

 nera of extinct Fishes, 410 ; notices 



