ZOO 
Zoo.ocy—— Radiata. 
Zoophytes, J. G. Dalyell on the 
propagation of, xxvill, 77. 
INFUSORIA. 
Infusoria, C. G. Ehrenberg on, 
xxxv, 871£; xxxvili, 405. 
, C. G. Ehrenberg’s notice 
of American, xlili, 398. 
; Siliceous, Turpin, xxxil, 
400. 
-—— Tripoli of Bohemia, xxxiii, 
We 
, fluviatile localities in the 
United States, J. W. Bailey, 
xliil, 328. 
, fossil deposits in the Uni- 
ted States, xlii, 329. 
, New Hayen harbor, J. W. 
Bailey, xlviii, 337. 
of West Point, N. Y., xxxv, 
118f; xxxix, 191. 
(?), siliceous, in Virginia de- 
posits, J. W. Bailey, xliii, 329. 
» new species from the Ber- 
mudas, and from Maryland 
and Virginia, xlvili, 323, 330; 
—table of, xlviil, 331. 
, bed of, at Petersburg, Va., 
M. Tuomey, xliv, 339. 
, fossil, of Virginia and Ma- 
ryland, C. G. Ehrenberg,xlviii, 
201. 
, 1n Charleston harbor, 8. C., 
J. W. Bailey, x\viii, 338. 
, new species from Oregon, 
J. W. Bailey, xviii, 321.f 
, in Nova Scotia, J. W. Bai- 
ley, xlvili, 339. 
—, with bones of Mastodon, J. 
W. Bailey, xlviii, 339. 
in guano, J. W. Bailey, 
xlvill, 338. 
of rock salt, observations 
on, xli, 193. 
Achnanthes, xliii, 325. 
brevipes, xliii, 325.f 
Actinocyclus, xlii, 93.f 
Arthrodesmus curtus, xli, 292.f 
quadricaudatus, xli, 292.f 
315 
ZOO 
Zootocy—Infusoria. 
Asterolampra, characters of ge- 
nus, xlviii, 203.f 
Aulacodiscus, characters of ge- 
nus, xlvill, 203. 
Bacillaria, sketch of, J. W. Bailey, 
xli, 284f; xlii, 88f; xliii, 321.f 
paradoxa, xlii, 101.f 
tabellaris, xlii, 102f;—B. 
? 102.f 
Biddulphia ? xiviii, 336.f 
Cheetoceros, xlviii, 328.f 
Closterium, xli, 297.f 
digitus, xli, 302.f 
lineatum, xli, 303.f 
= anulasex ley dO2-4 
— moniliferum, xli, 302.f 
— rostratum, xli, 303. 
striolatum, xli, 303.f 
tenue, xli, 303. 
trabecula, xli, 302.f 
Cocconeis, xlii, 101.f 
Cocconema, xliii,324£;—C. ——, 
xlili, 825.f 
Coscinodiscus argus, xlii, 95. 
lineatus, xlii, 95.f 
oculus-iridis, xlii, 95. 
patina, xlii, 96.f 
radiatus, xlii, 95.f 
Craspedodiscus, genus, 
324.f 
Denticella polymera, xlviii, 328.f 
Desmidium aculeatum, xli, 289.f 
hexaceros, xli, 289.f 
Schwartzii, xli, 288.f 
Diatome, American, J. W. Bai- 
ley, xxxv, 118.f 
Dicladia, characters of genus, 
xlvili, 204. 
Dictyocha aculeata, J. W. Bai- 
ley, xlvi, 140.f 
fibula, J. W. Bailey, xlvi, 
139.f 
ponticulus, xlviii, 328.f 
quadratum, xlviii, 328.f 
Dictyopyxis, genus, xlvili, 326. 
Echinella flabellata, xliii, 324.f 
, xliii, 324.f 
Euastrum, xli, 293f;—crux mel- 
itensis, xli, 294.f 
margaritiferum, xli, 295.f 
xlviil, 
