483 



INDEX TO VOL. XII 



ACARIDES, new species of, 312. 

 Actiniadae, new species of, 41. 

 Actiniae, on tlie existence of siliceous 



spiculcc in, 38. 

 Addison, W., on the saccidi of the Poly- 



gastrica, 101, 178. 

 Agate, on substances inclosed in, 148. 

 Alchemilla conjuncta and A. fissa, ob- 



senations on, 74, 452. 

 Alder and Hancock, Messrs., on some 

 new British species of Calliopa^a and 

 EoUs, and on the development and 

 structure of the nudibranchiate Mol- 

 lusca, 233. 

 Algae, freshwater, on some points in the 

 anatomy and physiology of, 20 ; on 

 some new genera of, 180 ; on the ani- 

 mal nature of tlie spores of, 203 ; on 

 the locomotive organs of the spores of, 

 435. 



Allecula, new species of, 360. 



Amphitetras, on the British species of, 

 275. 



Amphiura, description of the new genus, 

 211. 



Anarrhicus lupus, on the capture of, 29 7. 



Animalcule, parasitic, on the human skin, 

 description of an, 222. 



Animalcules, on the oxygenation of water 

 by means of, 205. 



Animals, vegetation upon Hving, 427. 



Annales des Sciences NaUirelles for 1843, 

 review of the contents of, 433. 



Annulosa, descriptions of some new spe- 

 cies and varieties of, 342. 



Anomalurus, description of the genus, 52. 



Anthoceros, on the formation of cyto- 

 blasts in the genus, 24. 



Antilope Ogilbii, notice respecting, 57. 



Arachnida, on the capture of small birds 

 by some species of, 81 ; on the stnic- 

 ture and development of the nervous 

 and circulatory systems in, 223. 



Argala migratoria, on the habits of the, 

 168. 



Astacus fluviatihs, on the development 

 of, 148. 



Atelecyclus, new species of, 345. 



Auricula, description of new species of, 

 437. 



Avicula, on the affinities of, 385. 



Babington's, Ch. C, British Botany, re- 

 viewed, 49 ; on iUchemilla conjuncta 

 and A. fissa, 452. 

 Baboons, new species of, 446. 

 Bffirensprung, Dr. von, Excerpta Zoolo- 



gica, 427. 

 Bailey, G. W., on the existence of sili- 

 ceous spiculae in Actinia, 38. 

 Ball, R., on the occun-ence of the Cucu- 

 lus glandarius in Britain. 149. 



Barry, Dr. M., on the blood-corpuscles, 

 227. 



Barton, Bernard, lines addressed by, to 

 the Rev. W. Kirby, 76. 



Biddulphia, on the British species of, 273. 



Birds, of Ireland, 31, 254; new species 

 of Australian, 58 ; Ust of, obtained in 

 the vicinity of Calcutta, 90, 165, 229 ; 

 new species of, from Fernando Po, 131, 

 from the Niger, 133; list of Chinese, 

 220; occurrence of rare British, 297; 

 descriprions of new, 366, 440, 477, 

 478; on the blood-corpuscles of, 367. 



Blood-corpuscles, on the, 130, 227, 367. 



Blyth, E., on the affinities of Glareola 

 torquata, 74 ; Hst of birds obtained in 

 the vicinity of Calcutta, with remarks 

 on their habits, 90, 165, 229. 



Bombycidae, new species of, 344. 



Bombyx, new species of, 264. 



Bones, observations on some fossil, 70. 



Botanical Society of EcUnburgh, proceed- 

 ings of the, 130, 450. 



Botanical Societv of London, proceedings 

 of the, 68, 129, 212, 294,449. 



Botanical travellers, informarion respect- 

 ing, 352. 



Bristol, on the mosses found in the 

 neighbourhood of, 213. 



British plants, geographical distribution 

 of the, noticed, 50. 



Bromfield, Dr., on the discovery of Cla- 

 thrus cancellatus in the Isle of Wight, 

 451. 



Brown, J., on some Pleistocene deposits 

 near Copford, 476. 



Brown, Capt. T., on some new species of 

 the genus Pachyodon, 390. 



Bulimus, new species of, 140, 289, 365. 



Buprestidae, new species of, 342. 



Bustard, Uttle, notes on the, 258. 



