148 GENERAL INDEX. 



Thamniscus ramulosus-TTlr Till, 357, 607, 610* 



( " var.) sevillensis Ulr VIII,610*,727 



sculptilis Ulr , .'..... YIII, 608* 



serialls Waagen and Pichl VIII, 608 



sevillensis Ulr Vm,610*,727 



Thamnodictya Hall VIII, 237 



newberryi Hall VIII,237 



Thamnotrypa Hall VIII.387 



Trinacodus St. John and Worthen VI.280, 289 



duplicates (N. & W.) 11,61*; VI, '.89 



incurvus (N. & W.) 11,62*; VI.290 



nanus St. J. & W VI, 289* 



Tomodus Agassiz VII, 171, 191 



convexus Ag '. VII, 171,177,179 



" (?)limitaris St. J. & W , VII.173* 



Trachydomia Meek and Worthen 11,364, 3(i6; VIII.146 



brevis (Sby) II, 364 



marias (Murch.) II, 364 



npdosa M. & W 11,364,366* 



" hollidayi M. & W 11,367*; VIII.147 



nodulosa Worthen VIII, 146* 



wheeleri Swall 11,364; V.595*; VIII.147 



Trachypora Edwards and Haime VIII, 81 



austini Worthen VIII,81* 



ornata Horn VIII.81 



Trachyum Billings VIII, 211, 216, 241 



cyathiforme Bill , VIII.241 



rugosum BiU VIII.241 



Tremataster Worthen and Miller VII, 330 



difflcilis W. &M VII.330* 



(Trematocrinus Hall) 11,217 



( ) papillatus Hall 11,219 



( " ) reticulatus Hall 11,219 



( " ) tuberculosus Hall 11,225 



( ', ) typus Hall 11,219 



Trematodiscus Meek and Worthen 11,161 



trisulcatus M. & W .'.11,162* 



Trematopora Hall .' VIII.373,418 



calloporoides Ulrich VIII, 420* 



( " )cofcstricta Hall VIII.468 



debilis Ulrich ' VIII, 419* 



( " ) granulif era HaU , ; VIII.647 



( " )n:inuta Hall VIII.645 



?nitida Ulrich VIII.419* 



primigenia Ulr VIII,419,420 



tuberculosa Hall VIII, 374,418 



( " ) venusta Hall VIII.468 



Trematoporidse Ulrich ^ VIII.340, 373 



Trematospira Hall 111,381 



(?) imbricata Hall 111,381* 



Trepostomata UMch VIII, 337, 369 



Tretoceras Salter 11,307 



Trichospongia Billings VIII, 211, 216, 241 



sericea Bill ...VIII.241 



