702 INDEX TO VOLUME VIII. 



PAGE. 



Astylospongia stellatim- sulcata Boemer 234 



Aulocopina Billings 240 



grant! Billings 240 



Aulocopium Oswald 217,222,223,2251 



Batospongia Ulrich .' 218,239, 246 



spicata Ulrich 238, 246* 



Beatricea 216 



Becksia 223 



Belemnospongia Ulrich 233,248 



fascicularis Ulrich 218,233, 248* 



Brachiospongia Marsh 217,238 



digitata Owen, sp 238 



Brachiospongidae Beecher 217, 238 



Buthotrephis 255,280 



(Calamopora Goldf) '. 227 



( ' ' flbrosa Goldlusa) 228 



Calathium Billings 210,235,250,275 



afflne Billings 235 



anstedi Billings 235 



? canadense Billings 235,250,275 



flttoni Billings 235 



f ormosum Billings 235 



?? infelix Ulrich and Everett 235,250,274* 



pannosum Billings 235 



paradoxicum Billings 235 



Calcispongise Blainville 220, 239 



Camarocladia Ulrich and Everett 217, 23<, 280 



dichotoma Ulrich and Eveiett 231), 281* 



Cambrian System, Sponges of 216,233 



Carboniferous System, Sponges of 218,233,245 



Ceraospongiae Bronn .' 220 



Classification of Sponges 219,233 



Cleodictya Hall 236 



gloriosa Hall 236 



^mohriHall 236 



Climacospongia Hinde 217,222,223*,235,248,268 



(radialis Hinde in error for C. radiata) 235 



radiata Hinde 224t,235,248 



Cnemidiastrum 221 



(Cnemidium?) treutonense Worthen 270 



Coal Measures, Sponges of 233 



Corynella 215 



Craticularia Zitiel 222 



Cyathophycus Walcott 216,217,236,280 



quebecense Dawson 236 



reticulatum Walcott 236 



subsphericum Walcott 236 



Cyathospongia Hall 234 



excrescens Hall 234 



Cylindrocoelia Ulrich 217,240 



endoceroidea Ulrich 240 



covingtonensis Ulricii 240 



minnesotensis Ulrich 240 



' ' minor Ulrich 240 



