468 



I N D E X. 



ture of the shell of Opereulina Ara- 



bica, 161. 

 Carterodon sulcidens, description of, 



417. 

 Cedar, on the growth of a, 301. 

 Cephalopods, on the homologies of 



the, 1. 

 Chalcedectus, new species of, 47. 

 Chalcidites, new species of, 45. 

 Chaunax, characters of the new genus, 



52. 

 Chemnitzise, on some of the animals 



of the, 195. 

 Chicory, on the ceconomic uses of, 63. 

 Chimpanzee, on the skeleton of the, 

 - 23. 



Choiropotamus, new species of, 281. 

 Cicer arietinum, analysis of the fluid 



from the leaves of, 64. 

 Clark, W., on some of the rarer 



British Gasteropodous MoUusca, 



22, 77 ; on the genus Lepton, 12.9 ; 



on some of the animals of the 



Chemnitziae, 195; on some unde- 



scribed animals of the British 



Rissoae, 254. 

 Clarke, B., on the position of the 



raphe in anatropal ovules, 286. 

 Clausilia, new species of, 350. 

 Clionites, new species of, 354. 

 Clouston, C, on the sun column as 



seen at Sandwick Manse, Orkney, 

 : 78. 

 Cobbold, Dr., on the embryogeny of 



Orchis, Gesneria, and other Phane- 



rogamia, 238. 

 Cohn, Dr. F., on a new genus of the 



family of Volvocinese, 321, 401. 

 Coluber natrix, on the distribution of, 



151. 

 Columbellse, new species of, 367. 

 Colyrabus septentrionalis, observa- 

 tions on, 398. 

 Coste, M., on the preservation of the 



fecundated eggs of fishes, 7(>' 

 Gii?ttle, T„ on fossil Pachyderraata in 



Canada, 395. 

 Couch, J., on the discovery of a spe- 

 cies of Onchidium allied to O. cel- 



iicum, 290. 

 Cristasaura, characters of the new 



genus, 4.39. 

 Crustacea, on some, dredged in the 



Shetlands, 356. 

 Cycadeae, on some specimens of recent 

 andfcssil, 225. 



Cyclostoma, new species of, 268. 



Cypraea, new species of, 367. 



Cypridina, new species of, 58. 



Cypris, new species of, 56. 



Cvsticerci, on the metamorphoses of 

 ■^the, 431. 



Cythere, new species of, 57- 



Cythereis, new species of, 57- 



Dallas, W. S., on a new Hemipterous 

 insect forming the type of a new 

 genus, 359, 436. 



Daniell, G., on the habits of Myrmica 

 domestica, 457. 



Diadema, new British sjiecies of, 91. 



Dick, A. B., analysis of the Sabal um- 

 braculifera, 63. 



Diphyllidia lineata, on the occurrence 

 of, 237. 



Diplommatina, on an Australian spe- 

 cies of, 348. 



Discina, new species of, 421. 



Discophora, characters of the new ge- 

 nus, 118. 



Dobie, Dr. W. M., on the observation 

 of cilia in Grantia, 317- 



Doliolum, observations on the genus, 

 119. 



Doris, on the anatomy of, 225. 



Drassus, on the British species of, 97. 



Dredging expedition on the coast of 

 the Isle of Man, account of a, 282, 

 434. 



Drosera rotundifolia, on the irritability 

 of the leaves of, 238. 



Dumeril, A., on the temperature of 

 reptiles, 464. 



Dysdera, on the British species of, 250. 



Eccyliomphalus, new species of, 195. 



Echinanthus, new species of, 445. 



Echinolampidse, new genera and spe- 

 cies of, 444. 



Eleocharis, on a supposed new species 

 of, 19. 



Emberiza miliaria, notice concerning, 

 71. 



Embleton, Dr. D., on the anatomy of 

 Doris, 225. 



Emmotum, on the affinities of the ge- 

 nus, 176; new species of, 180. 



Entomostraca, on several new species 

 of, 56. 



Epeira, British species of, 99, 182, 

 248. 



Equisetacese, on the presence of fluo- 

 rine in the stems of, 228. 



Euomphalus, new species of, 193. 



