INDEX, 
on certain points in the morpho- 
logy of the Blastoidea, 418. 
Carter, H. J., on the Spongida, 101, 
241, 450; on the development of 
the fibre in the Spongida, 112; on 
Spongiophaga in Spongilla, 222; 
on Spongiophaga Pottsi, 354. 
Carterella, characters of the new 
genus, 388. 
Catenicella, note on, 129. 
Cellepora, new species of, 127, 
Certes, A., on the vitality of the 
germs of Artemia salina and Ble- 
pharisma lateritia, 456. 
Ceruride, characters of the new 
family, 517. 
Chalk, on the identity of the, and 
recent calcareous deposits in the 
ocean, 46, 
Cheirolepis, new species of, 161. 
Chrysaperda, characters of the new 
genus, 152. 
Cladocoryne floccosa, observations on, 
166. 
Coenogonium, on the organization of, 
427, 
Coleoptera, notes on Longicorn, 142, 
196, 290; new genera and species 
of, 145, 197, 290, 319, 362. 
Conus, new species of, 442. _ 
Cope, HE. D., on the structure of the 
posterior foot of Toxodon, 389. 
Cribrilina, new species of, 8. 
Crossaster, characters of the genus 
and new species of, 140. 
Crustacea, new, 169, 204, 259, 364 ; 
of Ascension Island, on the, 482. 
Ctenopetalus, observations on the 
genus, 424, 
Ctenoptychius, observations on the 
genus, 350, 424. 
Cyathophycus, on the nature of, 459. 
Cynipide, on alternation of genera- 
tion in the, 281. 
Cypreea, new species of, 441. 
Danielssen, D. C., on North-Atlantic 
Echinodermata, 66. 
Davis, J. W., on the fish-remains of 
the bone-bed at Aust, 58; onsome 
fish-spines from the coal-measures, 
59; on the genera Ctenoptychius, 
Ctenopetalus, and MHarpacodus, 
494. 
Dawson, Dr. J. W., on the structure of 
a specimen of Uphantznia, 287. 
Diachoris, new species of, 182, 
461 
Diastopora, on some specimens of, 
59. 
Dictyophyton, on the structure and 
affinities of, 167, 237. 
Discorbina, new species of, 413. 
Distant, W. L., on Japanese Rhyn- 
chota, 27. 
Distaplia, observations on the genus, 
455, 
Dromia, new species of, 270. 
Dublin Microscopical Club, proceed- 
ings of the, 229, 
Duncan, Prof. P. M., on Spongio- 
phagus Carteri, 120. 
Duplessis, M., on Cladocoryne floc- 
cosa, 166, 
Durgella Christians, on the animal 
of, 377. 
Ebalia, new species of, 266. 
Echinodermata, on North-Atlantic, 
66; of Ascension Islond, on the, 
436, 
Entomostraca, on the paleozoic bi- 
valved, 332, 
Epicaulidium pulchrum, note on, 135. 
Equus, new species of, 16. 
Eulachnesia, new species of, 148. 
Eusthenopteron, description of the 
new genus, 161. 
Fauna of Ascension Island, on the, 
430. 
Fish, on some remarkable fossil, 159; 
ory of, inthe Gulf of Mexico, 
38. 
les of Ascension Island, on the, 
30. 
Flagellata, contributions to 
study of the, 390. 
Flints, on the origin and formation 
of, 46. 
Foraminifera, on Arctic, 393. 
Gall-flies of the oak, on the alterna- 
ting generation of the, 281. 
Gennadas, description of the new 
genus, 191. 
Geological Society, proceedings of 
the, 58, 153. 
Gerbillus, new species of, 228. 
Giard, A., on the embryogeny of the 
Ascidians of the genus Lithone- 
phria, 64; on a curious phenome- 
non of prefecundation in a Spionide 
worm, 386. 
Godwin-Austen, Lieut.-Col., on the 
animal of Durgella Christiane, 377. 
Gordiidz, on the, 325. 
the 
