502 INDEX. 



Cyamus monodontis, 70 ; nodosus, 69. 

 Cyarea arctica, 52. 

 Cyathella lutea, 328. 

 Cyclopterue, 52 ; lumpua, 36. 

 Cyclostoraata (Arctic), 239. 

 Cynthiidee, 330. 



Dactylometra quinquecirra, 52. 

 Daphnella, subg. Pleurotoma, 470. 



Daphnia, Paul Bert on, 376. 



Day, Francis, observ. on Brit, fishes, 

 310 ; on instincts and emotions in fish, 

 31 ; on the Hebridal Argentine, 78 ; 

 on the specific identity of Scomber 

 punctatus, Couch, with S. scomber, 

 Linn., 146. 



Decacnernus, 189. 



Decameros, 189, 197, 199, 213. 



Decapoda (Greenland) , 60. 



Defrancia, 396, 450 ; as subg. Pleuro- 

 toma, 457 ; magellanica, 448 ; super- 

 costata, 449. 



Descript. of a new genus of Moth of 

 the family Liparidae from Madagas- 

 car, by A. G. Butler, 84. 



Descript. of new species of Durgclla, 

 291. 



Descript. cat. of Cellepora of ' Chal- 

 lenger ' Exped., by G\ Busk, 341. 



Desmacidon anceps, 478 ; columella?, 

 478 ; dianse, 478 ; emphysema, 478 ; 

 physa, 478. 



Dewitz's exp. on ants, 179. 



Diadem a, 320. 



Diastoporidse (Arctic), 239. 



Diastylis Rathkii, 64. 



Dictyocylindrus manaarensis, 482 ; his- 

 pidus, 493. 



Dinematura ferox, 71. 



Diodon, 44. 



Diptera, segments of connate thorax of, 

 9, 10, 16, 19, 20. 



Dirrhopalum,Carteri, 492 ; clopetarium, 



479, 480, 482, 486, 487 ; coriaceum, 

 481, 485 ; descrip. sp. of, 476 ; exist, 

 of, in fossil state, 486 ; gymnazon, 

 478, 480, 483, 485; hystnx, 492; 

 introd. remarks on, 476 ; manaarense, 



480, 482, 485 ; niicrocionides, 476, 

 482 ; novizelanicum, 480, 483 ; ple- 

 num, 480; system, position of, 485. 



Discopora sincera, 238. 



Dobson, G. E., Notes on Aplysia dacty- 



lomela, 159. 

 Dochmius Sangeri, 333. 

 Doryrhamphus, 41. 



Drillia, subg. Pleurotoma, 388, 409, 413. 

 Dunean, Prof. P. M., descrip. of two 



new sp. of Dirrhopalum, 476, 488 ; 



on a Lithistid Sponge and form of 



Aphrocallistes from coast of Spain 



320. 

 Duncan, Prof. P. M., on a synthetic typ 



of Ophiurid from the N. Atlantic, 73 

 , on an unusual form of Hemipho 



lis, 138. 

 Dunkeria falcifera, 250. 

 Durgella, Lieut.-Col. H. H. Godwin 



Austen on, 291. 

 , additional and principal charact 



of, 292 ; assamica, 294, 296, anat. oil 



295 ; bilineata, 292 ; burmanica, 296 



levicula, 291, 293, anat. of, 293 



mucosa, 291, 296; seposita, 291 



296; shisha,296. 

 Dyticus marginalis, 15, 18. 



Echeneis, 51. 



Echinella, 87, 95 ; tectiformis, 94. 

 Echinocidaris, 128, 320. 

 Echinodictyum bilamellatum, 493, 495 



nervosum, 496. 

 Echinometra, 128 ; retention sur-ana 



plate of, 318 ; viridis, 318. 

 Echinonemata of Carter, 493. 

 Echinus melo, 126, 127. 

 Edward, Thos., on occurrence of Nor- 

 wegian Argentina silus in Moray 



Eirth, 334. 

 Electric Eel, 46. 

 Elephants, the parasites of, by T. S 



Cobbold, 333. 

 Emotions and instincts in fish, by F 



Day, 31. 

 Encrinus, 212, 215 ; Cassianus, 211 



liliiformis, 211. 

 Engraulis encrasicholus, 84. 

 Epeira similis, 157. 

 Eschara elegantula, 235, 236, 238 ; per- 



pusiUa, 236 ; Sarsii, 237. 

 Escharella porifera, 238. 

 Escharidee (Arctic), 234. 

 Esox lucius, 41. 

 Esperia, 150. 



Etheostoma blennoides, 51. 

 Etroplus maculatus, 35. 

 Eusirus cuspidatus, 69. 

 Ewart, Prof. J. C, on nostrils of Cor 



morant, 455. 

 Exocoetus, 48. 

 Extinct Land-Tortoises of Mauritius 



and Eodriguez, A. C. Haddon on, 58. 



Farrella, 240. 



Fasciola Jacksoni, 333. 



Feilden, Capt. H. W., Polyzoa coll. by 



in N. -Polar Exped., 231. 

 Fenella elongata, 249, 252. 

 Filaria Smithii, 333. 

 Fish, instinct and emotions in, by F. 



