ZOO 309 ZOO 
Zooi.ocy—Mollusca. 
*Chama congregata, xxiii, 341. 
“ corticosa, xxill, 3841. 
gigas, xxxil, 256. 
Chiton, new species of, D. H. 
Barnes, vii, 69.f 
, remarks on, xxxil, 251. 
echinatus, vii, 71.f 
—— Emersonii, xxxiv, 217. 
—— fulminatus, xxxiv, 217. 
—— magellanicus, vii, 70. 
-—— niger, vil, 71. 
——— peruvianus, vii, 70.f 
—— sagrinatus, xxxiv, 217. 
striatus, vil, '70.f 
*Clavagella armata, xxiv, 129.f 
Claviger, characters of genus, 
S. S. Haldeman, xlii, 216. 
Cochlodesma, new genus, J. P. 
Couthouy, xxxvi, 389. 
Columbella avara, xxxvi, 387. 
*Conularie, in Canada, vill, 85. 
*Conus adversarius, xxxix, 388 ; 
xli, 845.f 
|ZooLtogy—Mollusca. 
*Cytherea excavata, xxiii, 292.f 
ie marylandica, xxili, 343. 
Sayana, TJ. A. Conrad, 
Xxill, 345. 
*Delthyris brachynota, xviii, 
303. 
decemplicata, xlviii, 318.f 
—— expansus, xlvii, 368.f 
niagarensis, xlvili, 313.f 
radiata, xlvili, 313.f 
sinuata, xlviil, 313.f 
staminea, ee 313.f 
* * KH KK * 
* gyratus, xxiv, 131.f 
us parvus, xl, 103.f 
*Corbula idonea, xxii, 341. 
= oniscus, XXIll, 341, f 
Crepidula acuta, xlii, 108.f 
a lirata, ai 344. 
*Cucullea vulgaris, xvii, 285; 
xviii, 250.f 
Cyclas elegans, xxxix, 375. 
‘staminea, xxv, 847. 
*Cyclora, new genus of fossil 
shells, J. Hall, xlviii, 294. 
*__—_ minuta, xlvili, 294. 
Cyprea, genus, notice of a mono- 
graph of, Duclos, xx, 379. 
carolinensis, xli, 346.f 
moneta, xxxll, 250. 
*Cypricardia alata, Se. 300.f 
* 
# angusta, xviii, 306.f 
% angustifrons, xlvii, 378.f 
* modiolaris, xlvii, 379. 
* obsoleta, xlviii, 306.f 
* orthonata, xlviii, 300.f 
# 
ovata, xlvii, 378.f 
Cyrena purpurea, xlii, 106.f 
*Cyrtoceras pilosum, xlvii, 369.f 
*Cyrtolites ornatus, xlyii, 376.f 
39 
* Dispotoea dumosa, xli, 846.f 
ie aalinenta: ali 346.f 
*Donax rusticus, xxix, Bit 
Eolis bostoniensis, xxxiv, 216. 
diversa, new species, J. P. 
Couthouy, xxxvi, 385. 
gymnota, xxxiv, 217. 
salmonacea, xxxiv, 217. 
*Exogyra costata, il, 483; xvil, 
284, 
*Fasciolaria mutabilis, xli, 346.£ 
*Foraminifera in the green sand 
of New Jersey, xli, 213. 
*Fulgur contrarius, xxxix, 387. 
ee excavatus, XXXIX, 387. 
0 incilis, xxil, 343. 
Fusus cinereus, xxxvi, 388. 
harpularius, xxxiv, 218. 
a inhabilis, xxix, 150.f 
scalariformis, xxxvill, 197. 
pleurotomarius, xxxiv, 218. 
tornatus, xxxvili, 197. 
Gnathodon, observations on the 
genus, T. A. Conrad, xxxviii, 
92. 
cuneata, xxxvill, 92. 
flexuosa, xxxvili, 92, 93.f 
*_—___ Grayi, xxxvili, 92. 
minor, xli, 347.f 
*Grypheea convexa and mutabilis, 
xvii, 283. 
vomer, xvil, 283; xviii, 
250.f 
plicatella, xxiii, 293. 
Helix, species of, in Ohio, xxxi, 
* 
, observations on some, xl, 
272. 
