iv. 
INDEX. 
Brown, Walter, don. to mns., vi. 
Caldcleugh, Robert A., announcement 
of death of, 135. 
Camac, Dr. Wm., resolution by, 10 ; 
don. to mus., ill. 
Carson, Dr. Joseph, remarks on fruit 
of Gaylussacia resinosa, 176 ; don. 
to mus., i. 
Canada, Geological Survey, don. to 
lib.,xxi. xxii. 
Cassin, John, remarks on Falco polya- 
grus, 1 ; announcement of death of 
Dr. Hare, 114 ; description of a new 
Tanager from the Isthmus of Darien, 
and note on Selenidera spectabilis, 
177 ; read letter from Capt. Lynch, 
179 ; Catalogue of Birds collected 
by Dr. A. A. Henderson, U. S. N., 
at Hakodadi, 190 ; remarks on Hes- 
periphon vespertina, 191 ; resolu- 
tions by, 211, 212 ; don. to lib., xviii. 
Christy, Prof. David, note on fossils, 
190 ; don. to lib., xxii. ; don. to 
mus., vi. 
Clanton, S. W., Esq., don. to mus., i. 
Claparede, R. E., don. to lib., xi. 
Cleaveland, T. P., don. to mus., iii. 
Coates, Dr. B. H., don. to mus., vii. 
Committee on Biological Department, 
4. 
Committee on Aquarium, 10. 
Committees, election of standing, 5. 
Committees on scientific papers : on 
Catalogue and notes on the Egyptian 
Antiquities in the Collection of Acad, 
of Nat. Sciences, by J. H. Slack, 1 ; 
on Remarks on an Optical Illusion, 
by Dr. Alexander Wilcocks ; on de- 
scriptions of new organic remains, 
collected in Nebraska Territory, by 
Dr. F. V. Hayden and others, un- 
_ der the direction of Lieut. Gr. K. 
Warren, U. S. Top. Eng., with some 
remarks on the Geology of the Black 
Hills, &c., 9 ; on Prodromus Des- 
criptionis Animalium Invertebrato- 
rum quae in Expeditione ad Ocean. 
Pacif. Septentrion. a Repub. Feder. 
missa Cadwalladaro Ringgold et Jo- 
hanne Rodgers ducibus, observavit 
et descripsit W. Stimpson, 11 ; on 
notice of Remains of extinct verte- 
brata, from the Valley of the Nio- 
brara River, collected during an ex- 
pedition under the command of 
Lieut. G. K. Warren, U. S. Top. 
Eng. to explore the region of the 
Black Hills, by Dr. P. V. Hayden, 
Geologist to the Expedition, by Jo- 
seph Leidy, M. D., 11 ; on Descrip- 
tions of new species of Coleoptera, 
chiefly collected by the U. S. and 
Mexican Boundary Commission un- 
der Maj. W. H. Emory, by John L. 
LeConte, M. D., 12 ; on descriptions 
of new species of Neuropterous In- 
sects, collected by the North Pacific 
Exploring Expedition under Capt. J. 
Rodgers, by P. R. Uhler, 12 ; on De- 
scriptions of a new Helix and two 
new Planorbes, by Isaac Lea, LL. 
D. ; on Descriptions of eight new 
species of Unio, by ^saac Lea, LL. 
D., 12; on Prodromus Animalium 
evertebratorum, &c., observavit et 
descripsit W. Stimpson, 90 ; on con- 
tributions to Helminthology, by Jo- 
seph Leidy, M. D., 90 ; on notes on 
American Land Shells, No. 3, by 
Wm. G. Binney, 113 ; on descrip- 
tion of a new Phyllostome Bat from 
California, in the Museum of the 
Smithsonian Institution, by S. F. 
Baird, M. D., 113 ; on Prodromus 
descriptionis Animalium Evertebra- 
torum, &c., observavit et descrip- 
sit W. Stimpson, Pars vi. ; Crusta- 
cea Oxystomata, 135 ; on descrip- 
tions of seven new species of Mar- 
garitana and four new species of 
Anodonta, by Isaac Lea, LL. D., 
135 ; on notes to a second edition of 
a Geological Map of Nebraska and 
Kansas, by F. V. Hayden, M. D., 
135 ; on descriptions of twelve new 
species of Uniones and other fresh- 
water shells of the U. States, by 
Isaac Lea, LL. D., 163 ; on notes 
upon various new genera and spe- 
cies of Fishes in the Museum of the 
Smithsonian Institution, and collect- 
ed in connection with the U. States 
and Mexican Boundary Survey, Maj. 
Wm. H. Emory Commissioner, by 
Chas. Girard, M. D., 165 ; on Mine- 
ralogical notes, by W. J. Taylor, 
171 ; on description of a new Tana- 
ger from the Isthmus of Darien, 
and note on Selenidera spectabilis, 
by John Cassin, 177 ; on description 
of a new species of Argynnis, by 
James C. Fisher, M. D., 178 ; on 
Catalogue of the Coleoptera of the 
regions adjacent to the boundary be- 
tween the U. States and Mexico, by 
[1858. 
