GENERAL INDEX. 99 



Dictyophytum telum Hall VIII,237 



tenue Hall VIII, 237 



" tuberosum Conrad VIII,237 



Dictyospongidae Hall VHI.236 



(Didymopoi a Dlrich) . VIII.382 



Dlmyleus Agassiz VII, 200 



Diploclema Ulrich VIII, 368 



sparsum (Hall) VIII.369* 



trentonense Ulrich VIII, 369* 



Diplodus Agassiz 11,59 



compre^sus Newb 11,60* 



( " ) duplicates N. W n,61*; VI.289 



gibbosus Ag 11,59,61 



gracilis Newb 11,59,61 



( " Hncurvus N. & \V 11,62*; YI.289 



latus Newb II, 59* 



minutus Ag 11,61 



Diplopora Young and Youug VIII.358,398,636 



bifurcata Ulrich VIII.637* 



biserialis Ulrich VIII, 637* 



marginalis Young and Young VTH,398,637 



simplex (Vine) VHI, 636 



(Diplopoi Mae Tine) VIIL359 



Diplotrypa Nicholson VIII, 378, 418, 457 



' ? dubia Ulrich VIH,379, 459* 



inflda Ulrich Vjn,378,457 



milled Ulrich VIH,378,457 



patella Ulrich VIII,458* 



petropolitana (Pander) VIII, 378, 379, 458 



regularis Foord VIII, 457, 458 



westoni Ulrich VIII.378 



whiteavsi Nicholson VIII, 457 



Diplotrypidas Ulrich VIII, 342, 378 



Dipriacanthus McCoy VI, 47:.', 475 



Dipterus Sedgwick and Murchison VI, 329 



Discina Lamarck V.572; VHI.102 



nitida (Phillips ?) V.572* 



varsoviensis Worthen VIII,102* 



Discites McCoy II, 161 



disciformis M. & W V.522: VI.531 



highlandensis Worthen VI, 531* 



( ' ' tuberculatus Owen) 11,386,388 



Sby 11,388 



Discopora squamata (Lonsdale) VIII, 469, 471 



Discotrypa Ulrich VIII, 378 



elegans Ulrich VIII.378 



(Discus) digonus M. & W 11,163* 



( " ) planorbiformis M. & W 11,386 



( ' ' ) sangamonensis M. & W 11,386 



( " ) trisulcatus M. & W 11,162 



Disteganopora d'Orbigny VIII, 345 



Dithyrocaris Scouler V.618 



carbonarius M. & W V, 618* 



colei Portlock V,619 



s -ouleri McCoy V, 619 



Dittopora Dybowsk v VIII.340 



