Zz 00 
ZooLocy—Crustacea. 
*Ceratocephala ceralepta, xxxiv, 
379. 
*Ceraurus crosotus, J. Locke, 
xliv, 346£; xlv, 222.f 
F pleurexanthemus, 
xlvil, 
363.f 
*Crypheeus, new genus, J. Green, 
Xxxll, 343. 
; Boothii, xxxii, 344.f 
collitelus, xxxii, 346. 
*Hemicrypturus, tail of, xlviii, 
307.f 
*Homalonotus delphinocephalus, 
xlvili, 311.f 
*Tilenus ‘Trentonensis, 
368.f 
*Isotelus gigas, xlvii, 363.! 
* megistos, xlii, 366. fi. 
*Paridoxides, species of, J. Hall, 
xxxill, 139.f 
* 
xlvil, 
% 
307 
, remarks on the genus, J. 
Green, xxxiil, 341. 
Harlani, xxv, 336. 
*Triarthrus Beckii, xlvii, 370.f 
*Trimerus Jacksonil, xxxil, 347. 
*Trinucleus caractaci, xlvii, 378.4 
i‘ tesselatus, xlvii, 363. f 
Mo.ttvusca— Shells. 
Shells, new, of the coast of New 
England, J. G. Totten, xxvi, 
366! ; xxviii, 347.f 
of Middlebury, Vt., 
Adams, x\, 266, 408. 
of Massachusetts, south- 
eastern shores, C. B. Adams, 
xxxvl, 387. 
, new, A. A. Gould, xxxviil, 
196. 
! , J. P. Couthouy, 
Xxxiv, 216; xxxvi, 389. 
of Connecticut, catalogue 
of, J. H. Linsley, x\lviii, 
271. 
on the Connecticut Reserve, 
Ohio, catalogue of, including 
many Helices, &c., xxxi, 36, 
200. 
,hew species, H. C. Lea, 
xii, 106.f 
C2 B: 
ZOO 
Zootocy— Mollusca. 
Shells, new freshwater, from Al- 
abama, Tennessee, &c., 7. A. 
Conrad, xxv, 338.f 
about Richmond, Indiana, 
list of, J. T. Plummer, xlviii,94. 
, hew, B. Tappan, xxxv, 
268.f 
of some Ohio rivers, S. P. 
Hildreth, xiv, 276. 
, economical uses of some 
species of, xxxli, 53, 235. 
, fossil, tertiary. of the Uni- 
ted States, T. A. Conrad, xxiii, 
204, 339; xxvill, 104, 280; 
xli, 344.f 
; ; 5 remarks on, 
and list of, J. T. Hodge, xli, 
332, 343. 
: : , of the United 
States, mostly from Claiborne, 
Alabama, H. C. Lea, x1, 92.f 
; j , from North 
Carolina, xxxix, 387. 
: schambered univalve, 
Virginia, M. Tuomey,  xiiii, 
187. 
: , transition, condition 
and character of, JT. A. Con- 
rad, xxxvi, 12; xxxviii, 86. 
; , freshwater shells 
with coal, Lancashire, Eng- 
land, xxxiv, 26. 
3 , Cornwall, England, 
C. W. Peach, xlii, 327. 
3 , of the Ludlow rocks, 
xxx, 48; xxxviil, 90. 
——-, ——, microscopic coral- 
lines and minute shells in white 
chalk, Lonsdale, xxxiu, 111. 
* Acteeon levis, xl, 94.f 
a magnoplicatus, xl, 94.f 
—— parvus, xlii, 1114 
trifidus, xxvi, 368.f 
Alasmodonta and Unio, on the 
genera, with descriptions of 
species, D. H. Barnes, vi, 107‘, 
258.f 
5 V1,.275. 
—— arcuata, vi, 277.f 
