INDEX. 



S17 



Cavolina, on the synonyms and ha- 

 bitat of, 44. 

 Ceocephalus, new species of, 262. 

 Cerastium pumilum, observations on, 



20. 

 Ceratophrys, on some bones of, 377- 

 Cercyon, new species of, 258. 

 Cerianthus, new species of, 60. 

 Cerithio])sis, new species of, 116. 

 Cerobates, new species of, 262. 

 Charadella, description of the new 



genus, 151. 

 Chelidon, new species of, IT. 

 Chiton, new species of, 106. 

 Oinclodes, new species of, 445. 

 Ciniflo, new species of, 93. 

 Cis, new species of, 260. 

 Cistela, new species of, 259. 

 Cladograpsus, new species of, 24. 

 Clark, W., on Trochus Cutlerianus, 



192; on British Mollusca, 406. 

 Cleonus, new species of, 263. 

 Coal, on the vegetable structui'es in, 



439. 

 Coccus hesperidum, on the digestive 



and nervous systems of, 306. 

 Coleoptera from Ohi Calabar, on, 27. 

 Collingwood, Mr. C, on the Nudi- 



branchiate Mollusca of the Mersey, 



461. 

 Colphotia, new species of, 259. 

 Colpodes, new species of, 51. 

 Corticaria, new species of, 53. 

 Corymbites, new species of, 258. 

 Crioceris, new species of, 195. 

 Crocodile of Jamaica, on the eggs of 



the, 150. 

 Crocodilus Hastingsise, on the dermal 



armour of, 510. 

 Cryptoglena, new species of, 18. 

 Cryptorhynchus, new species of, 264. 

 Cucujus, new species of, 53. 

 Cuma, new British species of, 273. 

 Cyclorhis, new species of, 445. 

 Cyclostomidae^ new species of, 176. 

 Cyrta, on the species of, 277* 

 Dawson, J. W., on the vegetable 



structures in coal, 439. 

 Desmidophorus, new species of, 264. 

 Diacria, on the synonyms and habitat 



of, 45. 

 Diastylidae, on some British, 273. 

 Diatrype, new species of, 364. 

 Dicyuodon, new species of, 507. 

 Didymograpsus, new species of, 26. 

 Dinarda, new species of, 52. 



DiphyUidia, new species of, 494. 



Diplograpsus, new species of, 25. 



Di])lommatina, new species of, 182. 



Distichocera, new species of, 290. 



Dolichotoma, new species of, 198. 



Dolomedes, new species of, 91. 



Doris, new species of, 291. 



Dothidea, new species of, 376. 



Drimostoma, new species of, 51. 



Dromius, new species of, 51. 



Elachista, on the habits of the species 

 of, 149. 



Electra verticillata, on the diflferent 

 forms of growth of, 159. 



Elysia, new species of, 493. 



Eolis, new species of, 490. 



Ergatis, new species of, 94. 



Euchlornis, new species of, 443. 



Eucorynus, new species of, 261. 



Eudorea, new species of, 210. 



Eudorina elegans, on the develop- 

 ment of, 8. 



Euglena, new species of, 17. 



Euomphalus nitidissiraus, description 

 of the animal of, 109. 



Eupithecia, new species of, 209. 



Excipula, new species of, 359. 



B oraminifera, on the nomenclature of 

 the, 474. 



Foveolaria, on the species of, 396. 



Frigate-bird of Jamaica, note on the 

 eggs of the, 150. 



Frogs and fishes, on sexual differences 

 found in bones of some recent and 

 fossil species of, 377. 



Fungi, notices of British, 356. 



Geese, on the British wild, 121. 



Gelechia, new species of, 212. 



Geological Society, proceedings of 

 the, 439, 507. 



Geothlypis, new species of, 444. 



Gosse, P. H., on some new British 

 Sea- Anemones, 47 ; on the increase 

 of Madrepores, 449. 



Gould, J., on two new species of 

 Hirundinida3, 11', on a new species 

 of Ptarmigan, 75. 



Graptolites, on new species of, 23. 



Gray, Prof. A., on the coiling of ten- 

 drils, 513. 



Gray, Dr. J. E., on new forms of Po- 

 lyzoa from Australia, 150; on a 

 new genus of Lizards, 44 1 ; on the 

 difficulty of defining the species of 

 Mollusca, 510. 



Gucrin-Meneville, M., on the intro- 



