639 
INDEX to VOL. XII. 
ACANTHOJOPPA, new species of, 370, 
565. 
Acara, new species of, 628. 
Achaius, characters of the new genus, 
267. 
Achatina, new species of, 605, 
Aclis, new species of, 498. 
Acreea igola, new subspecies of, 325, 
Actzeopyramis, new species of, 305. 
Actinote, new species of, 22(). 
Adeorbis, new species of, 301. 
Aglaojoppa, new species of, 363, 
Akodon, new species of, 241. 
Alardus, characters of the new 
genus, 475. 
Alestes, new species of, 435, 594. 
nurse, note on, 37, 
Alga, on the relations between certain 
diatoms and the fission-products 
of a parasitic, 175. 
Algathia, new species of, 581. 
Allabenchelys, new species of, 439. 
Althanus, characters of the new 
genus, 420. 
Amblyjoppa, new species of, 268. 
Ammatophora, characters of the new 
genus, 88. 
Amphipoda obtained during the 
cruise of the ‘Oceana,’ on the, 
228. 
Anadia, new species of, 430. 
Anagotus, new species of, 76. 
Ancylus, new species of, 606. 
Andrena, new species of, 442. 
Annelida, new, 137. 
Anthidium, new species of, 59. 
Anthophora, new species of, 
454, 
Anthorhina, new species of, 457. 
Antropora, characters of the new 
genus, 87. 
Aphanus, new species of, 471. 
Aphela, new species of, 75. 
Apostolepis, new species of, 353, 
Arachnida, new, 505. 
Aranew, revision of the genera of the, 
481. 
451, 
Artemidorus, new species of, 252. 
Atelopus, new species of, 554. 
Attus, note on the genus, 489. 
Atys, new species of, 321. 
Augaptilus palumboi, description of 
the male of, 28, 
Augochlora confusa, note on, 442. 
Aurelia aurita, note on, 619. 
Austen, E. E., on Hippoboscidee in 
the British Museum, 255. 
Axiopsis, characters of the new 
genus, 538. 
Bachia, new species of, 432. 
Bacteria, on the origin of, by hetero- 
genesis, 381. 
Baracellus, characters of the new 
genus, 250. 
Barbus, new species of, 218, 487, 
533 
Bastian, Dr. H. C., on the develop- 
ment of Vaucheria resting-spores, 
166; on the relations between 
certain diatoms and the fission- 
products of a parasitic alga, 175; 
on the origin of bacteria and their 
allies by heterogenesis, 581. 
Batrachia, new, 186, 215, 219, 552. 
Bell, Prof. F. J., on Echinoderms 
from Zanzibar, 244. 
Belone, new species of, 626. 
Bethune-Baker, G. T., on new Lyce- 
nid from W. Africa, 324. 
Bingham, Lt.-Col. C. T., on hyme- 
noptera from the Transvaal, 46. 
Blatta, new species of, 375. 
Blattidze, notes on, 273, 373. 
Bonhote, J. L., on a new species of 
Helictis, 592. 
Books, new :—The Fauna of British 
India, Hymenoptera, vol. ii., 190 ; 
Cooke’s Flora of the Presidency of 
Bombay, pts. 1. & ili., 286; Dyres- 
ser’s Manual of Palearctic Birds, 
371; The Fauna and Flora of the 
Maldive and Laccadive Archipela- 
goes, pt. i. vol. 11.,372; Geological 
Survey of Canada, vol. xii., 466; 
