524 



INDEX TO VOL. XIII. 



AcANTHOCYSTis,new species of, 36. 



Achatina, new species of, 209. 



Achelia, new British species of, 115. 



Acirsa, new species of, 4/8. 



Acmsea, new species of, 4/4. 



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, 30/. 



Agassiz, A., on alternate generation 

 in the A nnelida and the embryology 

 of Autolytus cornutus, 343. 



Aglaophaenia pluma, on the structure 

 of. 203. 



Alhnan, Prof., on the occurrence of 

 Amcebiform proto])lasm 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, 623. 



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, 205. 



Antillia, new species of, 300. 



Asthenothserus, new species of, 311. 



Atrypanius, description of the new 

 genus, 46. 



Atys, new species of, 314. 



Autolytus cornutus, on the embryo- 

 logy of, 343. 



Ayrcs, 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, 262. 



Bates, H. W., on the Longicorns of 

 the Amazon Valley, 43, 144. 



Batrachia, on the eyes of the, 1/5. 



Beddome, Capt. R. H., on new Uro- 

 peltidffi, 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, 436. 



Blanford, W. T., on the classitication 

 of the Cyclostomacea of Eastern 

 Asia, 441. 



Blood, on the expulsion of the car- 

 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, 246; 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, 615. 



Brady, G. S., on new British species 

 of Ostracoda, 59. 



Bryophila, new species of, 314. 



Bucardia, new species of, 309. 



Burasaia, characters of the genus, 

 490. 



CaUista, new species of, 312, 440. 



CalHste, 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 

 mollnsks, 311, 474. 



Carter, H. J., on freshwater Rhizo- 

 poda of England and India, 18. 



Carychium, new species of, 210. 



