INDEX. 



V. 



America, 172 ; on a new genus and 

 two new species of Reptiles inhabit- 

 ing N. America, 195 ; on a new genus 

 and new species of African Serpents, 

 198 ; on new Reptiles from California, 

 225 : By Prof. Dana ; Crustacea of 

 Expl. i' xp., 59: By Dr. Leidy; 

 on the Osteology of the head of the 

 Hippopotamus, &c., 59 ; description 

 of Bathygnathus borealis, 438. By 

 Dr. Owen ; notice of a Mineral from 

 California, 72 : By Dr. Genth , on 

 some minerals which accompany 

 Gold from California, 107 ; on Rhodo- 

 phyllite, 118 ; on a probably new ele- 

 ment with Iridosmene and Platinum 

 from California, 198 ; on a new va- 

 riety of gray Copper, and on Uvvenite, 

 a new mineral, 241: By the Rev. Mr. 

 Longstreth ; on the impregnation 

 of the eggs of the Queen Bee, 34: 

 By Mr. Cassin ; Catalogue of Hal- 

 cyonidae, in the Collection of the 

 Acad. Nat. Sci., 172 ; on new species 

 of Birds in the Collection of the Aca- 

 demy, 172 ; description of a new spe- 

 cies of Scalops from Oregon, 241 ; 

 Catalogue of Hirundinidas in the Col- 

 lection of the Acad. Nat. Sci., and on 

 Jiew species of Swallows and Parrots 

 in same collection, 326 : Synopsis of 

 the Falconidaa of America north of 

 Mexico, 439: By ^Ir. Tuomey ; des- 

 criptions of fossil shells from the Ter- 

 tiary of the Southern States, 192: By 

 Dr. Heermann ; Notes on the Birds 

 of California, 195 ; Catalogue of the 

 Oological Collection of the Acad. Nat. 

 Sci., 241 : By Mr. Conrad ; descrip- 

 tion of new fossil shells of the United 

 States, and remarks on the Tertiary 

 Sl;rata of St. Domingo and of Vicks- 

 burg. Miss., 196; Notes on Shells and 

 descriptions of new species, 197 ; Sy- 

 nopsis of the N. American Naiades, 

 240 ; description of a new species of 

 Unio, 315, and monograph of the ge- 

 nus Fulgur, 315; Monograph of the 

 genus Argonauta, and synopsis of the 

 genus Cassidula, and description of a 

 new genus Athleta, 438 ; omissions 

 and corrections to Synopsis of North 

 American Naiades, 438 : By Dr. Hoy ; 

 descriptions of Owls from Wisconsin, 

 197; Notes on the Ornithology of 

 Wisconsin, 240: By Major Le Conte ; 

 on the Vine's of N. America, 395; de- 

 scription of a new species of Pa- 

 cane nut, 395 ; description of three 

 new species of Arvicola, &c., 403 ; 



Observations on Crotalus durissusand 

 C. adamanteus, 404 : By Dr. F. 

 Greene ; on the chemical inves- 

 tigation of the remains of fossil 

 Mammalia, 241 :^By the Rev. Mr. 

 Berkeley and Rev. M. A. Curtis ; 

 on the Exotic Fungi from the 

 Schweinitz Herbarium in the Acad. 

 Nat. Sci., 242 : By Lieut. Maury : 

 Observations on Atmospheric Pres- 

 sure, 304 : By Prof. Haldeman ; des- 

 cription of new species of Insects, 

 325 : By Dr. M. C. Read;' Notes on 

 the Birds of northern Ohio, 395 : By 

 Professors Harvey and Bailey ; De- 

 scription of new species of Diato- 

 maceae, collected by U. S- Exploring 

 Exp., Capt. Wilkes, 430 : By Dr. S". 

 Weir Mitchell ; On the influence of 

 the Respiration on the Pulse, 435. 

 Conrad, ^T. A., don. to mus.,xvii.,xliv. 

 Remarks on the Tertiary Strata of 

 St. Domingo, and of Vicksburg, Miss., 

 198; Notes on Shells, 199,320; Sy- 

 nopsis of the Naiades of North Ame- 

 rica, 243 ; Monograph of the genus 

 Fulgur, 316 ; Synopsis of the genus 

 Cassidula and of a proposed new ge- 

 nus Athleta, 448 ; Omissions and cor- 

 rections to Synopsis of N. A. Naiades, 

 449. 

 Correspondents elected. 



Antisell, Dr. Thos., New York, 171. 

 Barry, Rev. A. C, Wisconsin, 403. 

 Dalton, Dr. H. G., Dernerara, 124, 

 Daniel, Dr. Wm. F., Africa, 146. 

 De Candolle, Prof. Alphonse, Geneva, 



324. 

 Ford, Dr. H. A., Africa. 56. 

 Foster, J. W., New York, 50. 

 Fox, Rev. Charles, Michigan, 403. 

 Hartlaub, Dr. G., Bremen, 315. 

 Hartmann, Dr. Wm. D., Westchester, 



Pa., 373. 

 Hoy, Dr. Philo R., Wisconsin, 403. 

 Kennedy, Dr. H. W., Buenos Ayres, 



195. 

 Le Confb, Prof. John, Georgia, 458. 

 Lynch, Commander Wm. F., U. S. 



N., 146. 

 Maury, Lieut. M. F., U. S. N., 239. 

 Marsh, Dexter, Mass., 146. 

 Newberry, Dr. J. S., Ohio, 403, 

 Perley,M.H., St. John-s, N. B., 171. 

 Porter, Rev. Thos. G., Penna., ^94. 

 Potter, Rt. Rev. Alonzo, Penna. 171. 

 Schaum, Dr. H., Berlin, 315. 

 Smith, J. Broome, California, 195. 

 Wagner, Prof. A.j Munich, 315. 

 Webber, Dr. Samuel, N. H., 30. 



