INDEX. V. 
America, 172; on a new genus and 
two new species of Reptiles inhabit- 
ing N. America, 195; on anew genus 
and new species of African Serpents, 
198; on new Reptiles from California, 
225: By Prof. Dana; Crustacea of 
Expl hixp...109':  By- Dia teidy; 
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 Uwenite, 
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- 
eyonide, 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 Hirundinide in the Col- 
lection of the Acad. Nat. Sci., and on 
new species of Swallows and Parrots 
in same collection, 326: Synopsis of 
the Faleonide of America’ north of 
Mexico, 439: By Mr. Tnomey ; des- 
eriptions of fossil shells from the Ter- 
tiary of the Southern States, 19%: By 
Dr. Heermann ; Notes on the Birds 
of California, 195; Catalogue of the 
Oological Collection of the Acad. Nat. 
Sel., 241: By Mr. Conrad ; descrip- 
tion of new fossil shells of the United 
States, and remarks on the Tertiary 
Strata of St. Domingo and of Vicks- 
burg, Miss., 196; Notes on Shells and 
deseriptions 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 fron? Wisconsin, 
197; Notes on the Ornithology of 
Wisconsin, 240: By Major Le Conte ; 
on the Vines 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 durissus and 
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, 804: 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- 
macee, collected by U. 8. Exploring 
Exp., Capt. Wilkes, 430: By Dr. 8. 
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., Demerara, 124. 
Daniel, Dr. Wm. F., Atrica, 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, 
Raeisisr 
Hoy, Dr. Philo R., Wisconsin, 403. 
Kennedy, Dr. H. W., Buenos Ayres, 
195. 
Le Conte, Prof. John, Georgia, 458. 
Lynch, Commander Wm. F., U. §. 
N., 146. 
Maury, Lieut. M. ¥., 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., 394. 
Potter, Rt. Rev. Alonzo, Penna. 171. 
Schaum, Dr. H., Berlin, 315. 
Smith, J. Broome, California, 195. 
Wagener, Prof. A., Munich, 315. 
Webber, Dr. Samuel, N. H., 30. 
