500 



INDEX. 



calcareous sponge, 297 ; on the struc- 

 ture of the cocoon of a leech, 301. 



Brad^-pus didactylus, on the blood-cor- 

 puscles of the, 122. 



Broome, C. E., on a new species of Me- 

 lanogaster, 41. 



Bucchiuni reticulatum, on the nidi of, 446. 



Canada, journal of a botanical tour 

 through, 64, 3j1, 353. 



Cantor, Dr. T., on two species of Semno- 

 pithecus, 497 ; on the wild dog of the 

 Malayan Peninsula, 498. 



Capillaries, ou the formation of, 372. 



Cardinia, obser^•ations on the genus, 343. 



Cardium, new species of, 317, 475. 



Cautley, Capt., on a gigantic fossil tor- 

 toise, 55. 



Cercopis, new species of, 35. 



Cercopithecus, new species of, 461. 



Cetoniadse, new species of, 38. 



Chffitodus, new species of, 440. 



Chalk of Norfolk, on the pipes or sand- 

 galls in the, 138. 



Chrysa;us, on a new species of, 498. 



Circe, on a British species of, 112. 



Clarke, G., notices in natural history bv, 

 140. '■''■''"''• '■ - .■■■■■ 



Coilodes, new species of, 440. 



Colchicum, on the origin of the corms of, 

 214. 



Colossochelys Atlas, description of the, 

 55. 



Coniferaj, on the structure of the dots of 

 the woody fibres of, 495. 



Couularia, remarks on the, 406. 



Cossy]iha, new species of, 126. 



Couch, R. Q., on the morphology of the 

 different organs of zoophytes, 161. 



Cranichis, new species of, 385. 



Crustacea of Ireland, 319. 



Curtis, J., on the cocoon of the emperor 

 moth, 285. 



Cyanocitta, observations ou the genus, 

 260,342. 



Cycadesc, observations on the fossil, 442. 



Cyrena, new species of, 431 . 



Cypselus, new species of, 125. 



Cytherea, new species of, 133. 



Cytinere, observations on, 191. 



Dawson, J. W., on the newer coal forma- 

 tions of Nova Scotia, 212. 



Delessert's, B., Musee Botanique, notice 

 respecting, 421. 



Derby, the Earl of, on some points serving 

 to elucidate the history of tlie Macro- 

 podidse, 435. 



Desmidieaj, on the British, 149, 401. 



Desnudium,on the British species of, 405. 



Dickie, Dr. G., on a monstrosity of Gen- 

 tiana campestris, 387. 



Dicynodon, description of the, 138. 



Dienia, new species of, 385. 



D'Orbigny, M. A., on the laws which re- 

 gulate the geographical distribution of 

 littoral mollusca, 42. 



Doris, new species of, 312 ; on the deve- 

 lopment of, 445. 



Doubleday, Mr., on the genus Argynnis, 

 496. 



Duchartre, M., on the anatomy and r- 

 gauogeny of Lathrsea clandestina, 

 410. 



Dunstervilha, characters of the newgenus, 

 297. 



Echinodermata, on a new British species 

 of, 171,272. 



Edmondston, T., ou a new species of 

 Pecten, 250. 



Ehrenberg, Prof., on Infusoria, 141. 



Eleutheria, observations on the genus,244. 



Embleton, Dr. D., on the anatomy of 

 Eohs, 1, 77. 



Entomological Societv, proceedings of 

 the, 437. 



Eohs, on the anatomy of, 1, 77. 



Epidendrum, new species of, 256. 



Euplocamus, observations on the genus, 

 262. 



Eurytomidai, on variations of structure in 

 the British species of, 496, 



Eye, on the adaptation of the, to distinct 

 vision, 121. 



Falco islandicus, notice respecting tlie oc- 

 currence of, 213. 



Falconer, Dr., ou a gigantic fossil tortoise, 

 55. 



Felis melanura, description of the, 285; 



Fish, new, 346. 



Flora and Fauna of the county of Cork, 

 noticed, 419. 



Forbes, Prof. E., on the Medusa probos- 

 cidalis, 196; on some important ana- 

 logies between the animaj and vege- 

 table kingdoms, 210. 



Forbes, Prof. J. D., on the explanation of 

 the adaptation of the eye to distinct 

 vision, 121. 



Forbesia, characters of the new genus, 380. 



Fraser, Mr., on a new species of Lophyrus, 

 360 ; on Leptopus Mitchellii, 430. 



Gastei-ochisma melampus, generic charac- 

 ters of, 346. 



Gasteropods, on the boring apparatus of 

 tlie carnivorous, 113. 



Gentiaua campestris, on a monstrous form 

 of, 387. 



Geological Societv, proceedings of the, 

 67,137,212. 



Geotrupidffi, new genera and species of, 

 438. ^ ;. 



Geryonia, characters of the genus, 196, 



Gibraltar, on the geology of, 67. 



