INDEX. 
Cheetostigme, characters of the new 
genus, 69. 
Cheirolepis, on the structure and 
systematic position of, 237. 
Chitons, on some species of, 442. 
Cladocera, on the dimorphic deve- 
lopment and alternation of gene- 
rations in the, 371. 
Closterus, new species of, 415. 
Cocytia, new species of, 144. 
Coleoptera, new genera and species 
of, 59, 391, 403, 
Collett, R., on a new Motella, 82. 
Constantia, description of the new 
genus, 231. 
Corestetha, characters of the new 
genus, 64. 
Corrhenes, new species of, 70. 
Crustacea, new species of, 41; new 
exotic sessile-eyed, 184, 
Ctenodus cristatus, observations on, 
436. 
Ctenodus obliquus, on the articular 
bone and vomerine teeth of, 309. 
Ctenophora, on the embryology of 
the, 87. 
Culex mosquito, on the auditory 
apparatus of the, 349. 
Cyclomera, new species of, 406. 
Cylindrosporium, new species of, 34. 
Cyphella, new species of, 32. 
Cytherella, new species of, 57. 
Dall, W. H., on some species of 
Chitons, 442. 
Daptonura, new species of, 224. 
Deidamia, on the genus, 151. 
Dexamine, new species of, 184. 
Diatomeze, on the, of the Carbonife- 
rous period, 164. 
Diatoms,on the motive power of, 234. 
Diczeum, new species of, 401. 
Distomum, on the development and 
migrations of species of, 162. 
Drepanophorus spectabilis, on the 
anatomy of, 371. 
Drymocataphus, new species of, 401. 
Dybowsky, Dr. B. N., on the Gam- 
maridz of Lake Baikal, 230. 
Dysceladus, description of the new 
genus, 411]. 
Kchinida, on the circulatory appara- 
tus of the, 84. 
Ketinope, characters of the new 
genus, 60, 
Eels, on the reproductive organs of 
the, 304. 
Hlaptus, new species of, 60, 
A45 
Eleotris, new species of, 147. 
Embryology, researches in, 1, 83, 
87, 92, 97, 209, 301, 317, 373. 
Hmenica, characters of, 62. 
Entomostraca, on the palzeozoic bi- 
valved, 52. 
Etheridge, R., jun., on a new genus 
of Polyzoa, 45; on Carboniferous 
Lamellibranchiata, 427. 
Euctenogobius, new species of, 145. 
Eucyclophylla, characters of the new 
genus, 406. 
Eudianodes, new species of, 60. 
Kunithera, description of the new 
genus, 65. 
Eusemia, new species of, 139. 
Kusyllis, on some species of, 307. 
Euthria, new species of, 421. 
Fenestella, new species of, 182. 
Ferguson, W., on a new genus of 
Batrachians, 128. 
Fischer, P., on the Actinie of the 
oceanic coasts of France, 373. 
Fishes, new species of, 78, 82, 144, 
268; on the geographical distri- 
bution of, 251; fossil, from the 
neighbourhood of Edinburgh, 258, 
Fol, H., on the development of the 
Pteropoda, 459. 
Frogs, action of light on the develop- 
ment of the young of, 376. 
Fungi, notices of British, 28. 
Fusus, new species of, 422. 
Gammaridz of Lake Baikal, on the, 
230. 
Gasteropoda, list of, collected in 
Japanese seas, 414, 
Gastreea theory, on Hackel’s, 1, 87, 
2 
Gaudry, A., on the discovery of true 
Batrachians in paleeozoic rocks, 233. 
Gill, Dr. T., on the geographical dis- 
tribution of Fishes, 251. 
Globigerina-ooze, on the, 198. 
Gobius, new species of, 144, 
Gray, Prof. A.,on the permanence of 
varieties, 192. 
Gray, Dr. J. E., on the Madagascar 
River-Hog, 45 ; notice of the late, 
281. 
Gregorinz, on an apparatus of dis- 
semination of the, 368. 
Gromia, new species of, 161. 
Gulliver, G., on the fauna of Rodvi- 
guez, 565, 
Gunther, Dr, A., on Herpeton ten- 
taculatum, 159, 
