Actzeonidea, Gabb. Il 
Actronina,d’Orb.. II 
Acteonella,d’Orb. . II 
be 66 Z Ut 
Actzonema, Conr. II 
Acteonia, Quatrefages. IT 
Actinaria, Pfr. TIT 
Actinella, Lowe. Tap 
Actinobolus, Klein. III 
Actinocamax, Miller. IT 
Actinoceramus, Meek. IIT 
Actinoceras, Bronn. II 
Actinoceras, Stokes. IT 
Actinoconchus, M’C. III 
Actinocyclus, Ehrenb. IT 
Actinodesma, Sandb. III 
Actinodonta, Phil. III 
Actinomya, Mayer. III 
Actinoptera, Hall. . III 
Actinostrea, Bayle. III 
Actita, Fischer. . Il 
Acus, Humphrey. ._ II 
Acusta, Albers. . IIL 
Adacna, Hichwald.. III 
Adalaria, Bergh. IT 
Adamsia, Dunker.. II 
ce 73 II 
Adamsiella, Pfr. II 
Addisonia, Dall. ET 
Adelodonta, Ancey. III 
Adeorbis, Wood. II 
Adinus, H.& A. Ad. II 
Admete, Moller. Tt 
Admetopsis, Meek. II 
Adrana, H. & A. Ad. III 
Adranaria, Mun.-Ch. III 
Adspergillum, Menke. III 
Adula, H. Adams... III 
Adula, H. & A. Ad. III 
Aga, Hartmann. Ill 
gilops, Hall. Iil 
/Egirus, Lovén . II 
gista, Albers. . III 
AXglia, Swainson. III 
Aigoceras, Waagen. II 
gopina, Kobelt. . III 
INDEX. 
PAGE 
356 | Aigopis, Fitzinger. III 
355 | Ainigma, Koch. . iil 
356 | Adnona, Conrad. Iil 
359 | AXolidee. Gl Ve nee AN 
236 | Aolidella, Bergh.. II 
391 | AMolidia, Cuvier. II 
95 | Aolidiana, Quatr... II 
38 | Aoline, : II 
3al_| Asolis, Cuvier... II 
46 | AZora, Conrad. . Lat 
279 | AXrope, Albers. . TE 
51 | Alsopus, Gould. II 
52 | Athedoris, Abraham. II 
322 | Atheria, Lamarck. III 
373 | Atheriide, PE 
280 | Afer, Conrad. II 
258 | Aganides, Montf. II 
152 me is II 
273 | Agadina, Gould. II 
298 | Agaronia, Gray. II 
213 | Agasoma, Gabb. II 
182 | Agassiziceras, Hyatt. Il 
40 | Agathirses, Montf.. II 
194 | Agathylla,H. & A. Ad.IIT 
372 | Agina, Turton. . Ill 
106 | Aglaia, Albers. . Til 
149 | Aglaia, Renier. . Il 
283 | Agnatha, . BDA tay (bs 
329 | Agnewia, T.-Woods. II 
34 | Agraulina, Bourg.. III 
219 | Agria, Matheron. Iil 
155 | Agriolimax, . . Ce 
181 | Agulhasia, King. . IIl 
182 | Aidone,H.& A. Ad. II 
249 | Ailobranchiata. . II 
258 | Akera, Muller. II 
117 | Alaba, H. & A. Ad. GE 
106 | Alea, Jeffreys. . IIL 
263 | Alaria, Morris. . II 
56 | Alasmodonta, Say. III 
257 | Albanica, Bottger. III 
378 | Albersia, H. Ad. III 
33 | Albertisia, Issel. TI 
239 | Albinaria, Vest. IIl 
76 | Aleadia, Gray. . If 
23 | Alcira, H. Ad. II 
