Register. 
737 
Arthrosceleta 118. 
Articulata 341, 345, 380,587, 
595. 
Articulina 78, 725. 
Asceleta 118. 
Ascones 186, 189. 
Ascopora 611. 
Aschemonella 726. 
Askonema 185. 
Aspendesia 589, 608. 
cristata 608. 
Aspidiscus 253. 
cristatus 253. 
Aspidocrinus 380. 
Aspidodiadema 502. 
Aspidomma 120. 
Aspidophyllum 233. 
Aspidosoma 451. 
petaloides 451. 
Aspidura 445. 
scutellata 445. 
Assilina 98, 724. 
Asteracanthion 458. 
Asteriae verae 454. 
Asterias 445, 454, 455, 457, 
458. 
annulosa 457. 
bituminosa 460. 
Deslongchampsi 458. 
digitata 458. 
lumbricalis 461. 
rubens 458. 
stellifera 458. 
tabulata 457. 
Asterigerina 92, 93, 724. 
Asteroblastus 415. 
Asterocidaris 503. 
Asteroidea 437. 
Asterocrinus 365, 380. 
Asterodaspis 522. 
Asteropyga 507. 
Asteroseris 246. 
Asterosmilia 249. 
Asterosmiliaceae 249 
Asterospongia 152. 
Asterostoma 536. 
Asthenosoma 500. 
Astraea 254. 
Astraeaceae 254. 
Astraecinae 249. 
Astraeidae 223, 249, 277. 
Astraeomorpha 245. 
Astraeopora 240, 275. 
Astraeospongium 185. 
meniscus 185. 
Astrangia 257. 
Astrangiaceae 257. 
Astrelia 257. 
Astriclypeus 523. 
Astrobolia 152. 
Astrocerium 236. 
Astrocladia 164. 
subramosa 164. 
Astrocoenia 256, 263, 272, 
273, 274, 275. 
decaphylla 263. 
Astrocoma 395. 
Astrocrinites 372, 415. 
Astrogonium 455. 
Astrohelia 265. 
Astroides 243. 
calyeularis 206, 207, 215. 
Astrolithida 120. 
Astrolithium 121. 
Astromma 124. - 
Aristotelis 124. 
Astronyx 443. 
Astropecten 455. 
aurantium 449, 454. 
Astrophyton 443. 
Astropsammia 243. 
Astrorhiza 75, 726. 
Astylocrinus 361. 
Astylospongia 172. 
praemorsa 172. 
Astylospongidae 172. 
Ataxiocrinus 350. 
Ataxophragmium 91, 724. 
Ateleocystites 413. 
Atelostomata 477, 523. 
Athecata 282. 
Athyris 684, 686. 
scitula 685. 
Atocrinus 344, 366. 
Atrapus 542. 
Atretia 691. 
Atrypa 658, 661, 688, 719. 
reticularis 688. 
Atrypidae 661, 687. 
Aulacantha 118. 
Aulacodus 566. 
obliquus 566. 
Aulacophyllum 230. 
Aulacorhynchus 673, 718. 
Aulacothyris 703, 719. 
Aulaxinia 161. 
Aulocopina 160. 
Aulocopium 146, 159. 
aurantium 160. 
Aulodictyon 174. 
Aulonotreta 664. 
sculpta 665. 
Aulophyllia 256. 
Aulophyllum 233. 
Aulopora 210, 211. 
tubaeformis 211. 
Aulosphaera 116, 119. 
Aulosphaeridae 119, 126. 
Aulosteges 673, 718. 
Wangenheimi 673. 
Autechinidae 487. 
Avicularia 579, 620. 
Axohelia 264. 
Axophyllia 256. J\^\jWuVVucvyl 13 % 
Axopora 275, 288. ^ 
Axosmilia 259. 
Azygograptus 297. 
B. 
JBactridium 625, 629. 
Bactrocrinus 344, 361. 
Bactrynium 696. 
bicarinatum 696. 
Baerocrinus 350. 
Balanocrinus 375, 395. 
Balanophyllia 242. 
Barrandeocrinidae 344, 368. 
Barrandeocrinus 344, 368. 
Baryastraea 255. 
Barycrinus 343, 352. 
Baryhelia 256. 
Baryphyllia 252. 
Baryphyllum 227. 
Barysmilia 260, 274. 
Bathangia 257. 
Bathybius 59, 60, 723. 
Bathycrinus 346, 393. 
