Asilus, 
Asilus proper, 
Asiraca, 
Aspergillum, 
Aspidophorus, 
Aspidiphorus, 
Aspidogaster, 
Aspis, 
Aspistes, 
Aspro, 
Astacini, 
Astacus, 
Astacus proper, 
Astarte, 
Astata, 
Astemma, 
Asterias, 
Asterias proper, 
Astoma, 
Astomella, 
Astrea, 
Astrodermus, 
Astur, 
Astur proper, 
Astycus, 
Astrapzus, 
Astrapia, 
Atelecyclus, 
Ateles, 
Aterpus, 
Ateuchus, 
Athalia, 
Athanas, 
Athericera, 
Atherina, 
Atherix, 
Atherurus, 
Athyreus, 
Atites, 
Atlanta, 
Atoma, 
Atta, 
Attagenus, 
Attelabus, 
Attelabus proper, 
Atractocerus, 
Atya, 
Atychia, 
Atylus, 
Atypus, 
GENERAL INDEX. 
Vol. IV 
IV 
IV 
Il 
II 
Tit 
IV 
II 
IV 
I 
it 
Il 
iil 
II 
IV 
IV 
IV 
IV 
IV 
IV 
244, 
246 
42 
425 
120 
385 
366 
68 
243 
99 
62 
55 
67 
416 
136 
27 
330 
331 
378 
250 
410 
159 
239 
239 
501 
329 
270 
27 
67 
504 
403 
89 
75 
275 
172 
257 
154 
412 
393 
352 
221 
122 
387 
497 
497 
368 
71 
193 
91 
177 
Alca, Vol. 
Alpzus, 
Auchenia, 
Auchenia, 
Aulacus, 
Aulopus, 
Autonomera, 
Aulastoma, 
Aulostomus, 
Auks, 
Auricula, 
Auxis, 
Aves, 
Avicula, 
Avicula proper, 
Avosets. 
Baccha, 
Bacillus, 
Bacteria, 
Baculites, 
Badger, 
Badister, 
Bagous, 
Bagrus, 
Balaninus, 
Balanus, 
Balanus proper, 
Balena, 
Balenoptera, 
Balistes, 
Balistes proper, 
Banchus, 
Barbacous, 
Barbels, 
Barbets, 
Barbicans, 
Barbicornis, 
Barbus, 
Baridius, 
Bariphonus, 
Barita, 
Barula, 
Barynotus, 
Basiliscus, 
Bats, 
Bathyergus, 
Batolithes, 
Batrachia, 
Batrachus, 
