INDEX. 
vii. 
scriptions of seven new species of 
Margaritana and four new species of 
Anodonta, 135 ; descriptions of 
twelve new species of Uniones and 
other fresh-water shells of the U. S., 
163 ; remarks on Triquetra contor- 
ta, 169 ; descriptions of the Embry- 
onic forms of 38 species of Unionidse 
and new Unionidse of the U. S., 190 ; 
remarks on fossils presented by Mr. 
Foulke, 218 ; don. to lib., iv. ; don- 
to mus., i. ii. 
Le Conte, Dr. J. L., remarks on Mas- 
todon bed at the village of Tambla, 
7 ; descriptions of new species of 
Coleoptera, chiefly collected by the 
U. S. and Mexican Boundary Com- 
mission, &c., 12; catalogue of the 
Coleoptera of the regions adjacent 
to the boundary between the U. S. 
and Mexico, note on the species of 
Eleodes found within the U. S., 179 ; 
motion by, for a Com., 18 ; remarks 
on Coleopterous Insects of Japan, 
163; don. to mus., i. ii. iii. iv. v. 
vii. 
Leidy, Dr. Joseph, remarks on Urna- 
tella gracilis, 1 ; notice of collection 
of fossils brought from Nebraska 
Territory, by F. V. Hayden, 1 ; re- 
marks on the remains of Camel and 
Wolf from Nebraska, 2 ; remarks on 
fossil Mammalia from Nebraska, 7 ; 
resolution of thanks to Mrs. R. Pier- 
pont, 7 ; read a letter from Messrs. 
Meek and Hayden, 9 ; remarks on 
fossils from Nebraska, 10 ; notice of 
remains of extinct vertebrata from 
the valley of the Niobrara river, 
&c., 11 ; remarks on a cast of a Mas- 
todon tooth, &c., 12 ; read a letter 
from B. F. Shumard, 14 ; remarks 
on fossil remains from Nebraska, 89 ; 
contributions to Helminthology, 90 ; 
remarks on Chrysalides of the can- 
ker worm (Eudolimia), 137 ; re- 
marks on Rhyncodemus sylvaticus, 
171 ; remarks on a specimen of Cryo- 
lite, 177 ; remarks on antler of rein- 
deer, 179 ; remarks on Polyzoa, 188 ; 
remarks of, on Hadrosaurus Foulkii, 
215 ; don. to lib., xxiv. xxvi. ; don. 
to inus., iii. v. vi. vii. 
Lehman, J. A., don. to mus., vi. 
Lesley, J. P., remarks on reverse drain- 
age of uplands bordering the Ohio, 
8, 9 ; remarks on fragments of con- 
glomerate from under the coal, &c., 
1858.] 
11 ; remarks on a specimen of lig- 
nite with rosin, 14. 
Lesquereux, L., don, to lib., ix. 
Lettsom, W. Gr. Esq., don. to lib., ix. 
Lynch, Capt. F. W., U. S. N., letter 
from, on Human bones from Brazos 
Santiago, 179 ; don. to mus., v. 
Lugren, Dr. H. Gr., don. to mus., vi. 
Ludlow, Dr. B. C, don. to mus., vi. 
Morris, Dr. J. C, don. to mus., vii. 
Maitland, R. F-, don. to lib., iii. xiv. 
Martins, Dr. C. F. P., von, don. to lib., 
xxiv. 
Meek, Mr. F. B. and Dr. F. V. Hayden, 
descriptions of new organic remains 
collected in Nebraska Territory, by 
Dr. F. V. Hayden and others, under 
the direction of Lieut. G. K. Warren, 
U. S. Top. Eng., with some remarks 
on the Goology of the Black Hills 
and portions of the surrounding 
country, 9' ; letter from, 9 ; remarks 
on the Cretaceous Beds of Kansas 
and Nebraska, with descriptions of 
some new species of Carboniferous 
Fossils in the valley of the Kansas 
River, 222.- 
Meigs, C. D., M. D., don. to mus., vi. 
Meigs, Dr. J. A., don. to mus., iii. 
Micliener, A. C, don. to mus., i. 
Minturn, Dr. Edward, announcement 
of death of, 176. 
Mitchell, Dr. S. Weir, on the Blood 
Crystals of. the Sturgeon, 02 ; don, 
to lib., ix. XXX. don. to mus., iii. 
Moore, Dr. Francis, don. to mus., ii. 
iii. 
Morris, Rev. Dr., invitation to mem- 
bers of the Academy to meeting of 
the Amer. Assoc. at Baltimore, 12, 
Morse, James W., Esq., don. to mus., i. 
Motschulsky, Col. V., de don. to lib., x. 
Murchison, Sir Roderick L, don. to 
lib., iv. 
Miiller, Dr. Johannes, announcement 
of death of, 135. 
Moore, C, Esq., don. to mus., vi« 
Nagle, Joseph M., don. to mus., ii. 
Nodot, M. S., don. to lib., viii. 
Morris, Thaddeus, don. to mus., iv. 
Norcom, Dr. Wm. A., don. to mus., 
vii. 
Ord, George, President. 
Observatory, Dudley, don. to lib., xvi. 
Osborn, Rev. H. S., don. to mus., iv. 
