96 



Bui^IvKTIN 15 



406 



Ancyrocrinus bulbosus 177 



spi nosus 177 



Anodonta cornelliana sSg 



pi. 29, figs. 3, 5, 6, 7. 



Anomia floridana 375 



microgrammata 372 



ephippiym 323 



Aparchites inornatus 213 



Aporrhais gracilis 69 



pi. 9, fig. I. 



Aquitanian ( period ) 346 



Area cardiifortnis 323 



dodona 375 



hypomela 372 



mississippiensis 384 



santarosana 375 



turonica 323 



Asaphus canalis 256, 279, 280 



281, 282, 283, 284, 285, 286 

 pi. 16, figs. 7, 8. 



convexus 256 



pi. 16, fig. 9. 



marginalis 285, 286 



obtusus 282, 283, 286 



platycephalus.....283, 287, 288 

 289, 290, 291, 292, 293, 294 



Aspalaga Bluff, section at, land 

 leveled 364 



Astarte basterioti 324 



corbuloides 324 



henckeliusiana 324 



incerta 324 



kickxi 324 



omaliusi .324 



Asterias or Bourg limestone, 



chara(5leristic fossil .345 



Astraeospongia haniiltonensis..i63 



Astralium (Lithopoma) chipo- 

 lanum 372 



Astyris bastropensis 59 



stibfraxa 58 



pi. 7, fig. II. 



Athleta tuomeyi 35 



Athyris biloba. 140 



f ultonensis 1 85 



incrassata 1 85 



lamellosa 1 46, 156 



156, 161, 185 



ohioensis 1 46 



spiriferoides 149, 1 85 



vittata 146, 148, 149 



Atrypa aspera 141, 150, 151 



ellipsoidea 1 85 



reticularis 141, 142 



144, 145, 148, 149, 150 



151, 152, 153, 155, 185 



spinosa 186 



Aty s oedemata 370 



robustoides 8 



pi. I, fig. II. 



Aulacophyllum convergens 163 



cr ucif orme 1 63 



insigne 163 



pin natuni 1 63 



poculum 163 



prseciptum 163 



praterif orme 1 63 



princeps 163 



refiexum 1 63 



sulcatum 163 



trisulcatum 1 64 



tripinnatum 1 64 



Aulopora cornuta 1 64 



serpens 144, 164 



Aviculopedlen crassicostatus. . .197 



f asiculatus 1 97 



intercostalis 197 



pedlenif ormis 1 97 



princeps 153, 197 



te n uicostus 1 40 



Axinus unicarinatus 325 



Barbatia adamsii. 372, 395 



irregularis 372 



marylandica 372 



Barriosella subspatulata 1 86 



Barychilina pulchella 213 



pundlo-striata ...213 



puntSlo-striata var. cutta...2i3 



Baryphyllum d'orbignyi 164 



Bathy urell us validus 2 82 



Bathyurus 257 



' pi. 16, fig, 9. 



elliptic us 257 



pi. 16, figs. 5, 6. 



spiniger 288, 289 



Bautersem, Sands of, fossils of.332 



Bayania semidecussata 322 



Bazas, sandstone of, fauna 347 



Beauce limestone 341 



Beekmantown, the name ap- 

 plied to the Calciferous....250 



Bellerophon allegoricus 255 



bilobatus.....29o, 291, 292, 294 



calcifer 254 



pi. 15, figs. 15-18. 

 crassus 147 



