476 



INDEX TO VOL. XII. 



AcALEPH^, on the systematic rela- 

 tions and morphology of the, 19. 



Acanthocephali, on the, 326. 



Acanthocystis, description of the new 

 genus, 263. 



Acara, new species of, 441. 



Achlya, on the development of, 48. 



Adams, A., on a new genns of terres- 

 trial mollusks, 424. 



Adamsia palliata, on the habits of, 

 388. 



iEthalium, observations on, 46. 



Agassiz, Prof. A., on the mode of 

 development of the marginal tenta- 

 cles in the free medusoids of some 

 Hydroida, 79. 



Alcidion, new species of, 105. 



Alcippe, new species of, 160. 



Amniscus, new species of, 105. 



Amoeba princeps, observations on the 

 development of, 30. 



Amoeban Rhizopods, on the distinc- 

 tive characters and reproductive 

 phenomena of the. 111, 198, 329, 

 448. 



Ancistrodon, new species of, 364. 



Androdon, description of the new ge- 

 nus, 246. 



Animals, notes on acclimatized, 7^. 



Anisopodus, new species of, 284. 



Ants, on the habits of some South 

 American species of, 392. 



Arion rufus, on the nervous system 

 in, 474. 



Athens, new species of, 23!). 



Atractaspis, new species of, 363. 



Auchenipterus, new species of, 442. 



Aurelia flavidula, on the structure of, 

 21. 



Aye- Aye, on the habits of the, 72. 



Baikie, Dr. W. B., on the distribution 

 of Bos Taurus and Bos Dante in 

 Africa, 328. 



Balsaminaceae, on the raphides of, 

 446. 



Bambusicola, description of the ge- 

 nus, 165. 



Bartlett, A. D., on the habits of the 

 Aye-Aye, 72 ; on a new species of 



Lemur, 247; on a new species of 

 Galago, 408. 



Batagur, new species of, 75. 



Bates, H. W., on the Longicorn Co- 

 leoptera of the Amazon Valley, 100, 

 275, 367. 



Bats, on a new genus and species of 

 leaf-nosed, 468. 



Bee's cell, on the, 303. 



Benson, W. H., on new operculate 

 land-shells from the Andamans, 

 425. 



Bertolus, M., on the development of 

 Bothriocephalus latus, 473. 



Blackwall, J., on new species of Spi- 

 ders, 264. 



Blanford, W. T., on the animals of 

 Raphaulus, Spiraculum, and other 

 tube-bearing Cyclostomacea, 55 ; 

 on two new generic forms of Indian 

 Mollusca, 184; on the animal of 

 Lithotis rupicola, 327. 



Blaufordia, description of the new 

 genus, 424. 



Blood-corpuscles, on the influence of 

 magenta and tannin on, 60. 



Books, new : — Blasius's List of Birds 

 of Europe, 58; Balfour's Flora of 

 Edinburgh, 60 ; Preston's Flora of 

 Marlborough, 60; English Botany 

 (3rd edit.), 155; Pennell's Angler- 

 Naturalist, 310; Patterson's Intro- 

 duction to Zoology, 312; Bates's 

 Naturalist on the River Amazons, 

 391 ; Baring- Gould's Iceland, its 

 Scenes and Sagas, 396. 



Bos Tam-us and Bos Dante, on the 

 distribution of, in Africa, 328. 



Bothriechis, new species of, 364. 



Bothriocephalus latus, on the deve- 

 lopment of, 473. 



Bothrophthalmus, new species of, 

 356. 



Brama, new species of, 313. 



Brandt, J. F., on the osteography of 

 the Sirenia, 406. 



Cacophis, new species of, 361. 



Caddis- worm, on the habits of the, 

 39.9. 



