524 
INDEX ro VOL. XIII. 
Acanruocystts, new species of, 36. 
Achatina, new species of, 209. 
Achelia, new British species of, 115. 
Acirsa, new species of, 478. 
Acmeea, new species of, 474. 
Actinophrys, new species of, 34. 
Actinozoa, on new British, 84. 
Adams, A., on the animal and affini- 
ties of Fenella, 39; on some mol- 
luscous animals from the seas of 
China and Japan, 140, 206, 307. 
Agassiz, A., on alternate generation 
im the Annelida and the embryology 
of Autolytus cornutus, 343. 
Aglaophznia pluma, on the structure 
of, 203. 
Allman, Prof., on the occurrence of 
Ameebiform protoplasm and the 
emission of pseudopodia among 
the Hydroida, 203; on the con- 
struction and limitation of genera 
among the Hydroida, 345. 
Ammothoa, new British species of, 
114. 
Amoeba, new species of, 21. 
Anabas scandens, on the climbing 
habits of, 117, 523. 
Ancyclus, new species of, 139. 
Animals, on the law of production of 
the sexes in, 68. 
Annelida, on alternate generation in 
the, 343. 
Antennularia antennina, on the ana- 
tomy of, 206. 
Antillia, new species of, 300. 
Asthenothzrus, new species of, 311. 
Atrypanius, description of the new 
genus, 46. 
Atys, new species of, 314. 
Autolytus cornutus, on the embryo- 
logy of, 343. 
Ayres, Dr., on the Sebastoid Fishes 
of California, 330. 
Baird, Dr. W., on new species of An- 
nelida, 96, 
Baryssinus, description of the new 
genus, 43. 
Basiliscus vittatus, on the habits of, 
504, 
Batagur, new species of, 252. 
Bates, H. W., on the Longicorns of 
the Amazon Valley, 43, 144. 
Batrachia, on the eyes Al the, 175. 
Beddome, Capt. R. H., on new Uro- 
peltide, 177. 
Bennett, Dr. G., on Didunculus stri- 
girostris, 259; on the Kagu, 342. 
Benson, W. H., on new Land-shells 
from Western India, 136, 209, 491. 
Bittium, new species of, 478. 
Blackwall, J., on the capture of Mitras 
paradoxus in England, 435. 
Blanford, W. T., on the classification 
of the Cyclostomacea of Eastern 
Asia, 441. 
Blood, on the expulsion of the ear- 
bonic acid from the, during resp?ra- 
tion, 439. 
Books, new: — Brewer’s Flora of 
Surrey, 90; Lowe’s Flora of Ma- 
deira, 164; Mosley’s Natural His- 
tory of Tutbury, 245; Wood’s 
Homes without Hands, 247 ; Tate’s 
Flora Belfastiensis, 330; Griffith’s 
Text-book of the Microscope, 436; 
Jerdon’s Birds of India, 511; 
Dickie’s Flora of Ulster, 515. 
Brady, G.8., on new British species 
of Oxirscudi 59. 
Bryophila, new species of, 314. 
Bucardia, new species of, 309. 
Burasaia, characters of the genus, 
490. 
Callista, new species of, 312, 440. 
Calliste, new species of, 104. 
Callocardia, description of the new — 
genus, 307. 
Calycocarpum, on the species of, 130. 
Campaniclava, characters of the ge- 
nus, 351. 
Cancellaria Spengleriana, notes on 
the animal of, 143. 
Candona, new British species of, 61. 
Carpenter, Dr. P. P., on new forms of 
mollusks, 311, 474, 
Carter, H. J., on freshwater Riese 
poda of England and India, 18. 
Carychium, new species of, 210. 
