46S 



INDEX TO VOL. XI. 



AcALLES, new species of, 219. 



Acanthogorgia, new species of, 140. 



Acantholeberis, on two British species 

 of, 409. 



Adams, A., on new genera and spe- 

 cies of Brachiopods, 98; on the 

 Japanese species of Siphonalia, 202; 

 on new genera and species of Um- 

 boniida;, 264 ; on Microstelma and 

 Onoba, 347 ; on the Japanese La- 

 cunida;, 350. 



Adams, H. and A., on some new ge- 

 nera of Mollusca, 18. 



AhaetuUa, on some species of, 283. 



Alder, J., on the British Tunicata, 153. 



AUman, Prof., on the Hydroida, 1 . 



Allopora, new species of, 142. 



Amara, new species of, 215. 



Amara3cium, new British species of, 



171. 



Amblyopus, new species of, 139. 

 Amoeba, on an undescribed indigenous 



form of, 287, 365, 434. 

 Anisotoma, new species of, 216. 

 Annelids, on natural and artificial 



section in some Chajtopod, 323; 



on the position of the Capitellae in 



the system of the, 393. 

 Anther, on the development, struc- 

 ture, and functions of the tissues of 



the, 229. 

 Anthriscus sylvestris, on two forms 



of, 461. 

 Archeopteryx macrurus, on the re- 

 mains of, 122. 

 Ascidia, new British species of, 154. 

 Atlantis, new species of, 219. 

 Atractylis, new British species of, 45. 

 Bacula, characters of the new genus, 



18. 

 Baily, W. H., on some coal-measure 



Crustacea belonging to the genus 



Belinurus, 107. 

 Bamston, G., on a new species of 



Otter, 460. 

 Bartlett, A. D., on the habits and 



affinities of the Kagu, 227 ; on the 



habits of the Beaver, 387. 

 Batrachians, descriptions of new, 26. 



Beaver, on the habits of the, 387- 



Bee, on the form of the cells made by 

 the, 415. 



Belinurus, on two new species of, 107. 



Bennett, Dr. G., on the habits of 

 Megapodius Freycineti, 380; on 

 the Mooruk and on the Diduneulus 

 strigirostris, 381. 



Benson, W. H., on new species of 

 Helix, Clausilia, and Spiraxis, 87 ; 

 on new land-shells, and on the ani- 

 mal of Sophina, 318. 



Blackwall, J., on new Spiders from 

 Rio Janeiro, 29. 



Blanford, W. T., on the Indian spe- 

 cies of Helix and Nanina, 81. 



Books, new : — Jukes's Manual of 

 Geology, 61 ; Hull's Coal-fields of 

 Great Britain, 53 ; Gibson's Flora 

 of Essex, 117; Kirby's European 

 Butterflies, 120 ; Balfour's Outlines 

 of Botany, 221 ; Reeve's Land and 

 Freshwater MoUusks, 291, 389; 

 Woods's Geological Observations in 

 South Australia, 294 ; Transactions 

 of the Linnean Society of London, 

 296; Hayden's Geology and Na- 

 tural History of the Upper Missouri, 

 371; Spence Bate and Westwood's 

 British Sessile-eyed Crustacea, 454 ; 

 Hartwig's Tropical World, 465 ; 

 Phipson's Phosphorescence, 456. 



Botrylloides, new British species of, 

 172. 



Boussingault, M., on the nature of 

 the gas produced from the decom- 

 position of carbonic acid by leaves, 

 309. 



Brachiopods, on new genera and spe- 

 cies of, 98. 



Brachypterus, new species of, 217- 



Brachysoma diadema, note on, 23. 



Brachyura, on the classification of 

 the, 233. 



Brachyurophis, description of the ge- 

 nus, 21 . 



Brehm, Dr. A. E., on the Unicom of 

 the ancients, 72. 



Bulimus, new species of, 322. 



