8(j 



AMERICAN FOSSIL BRYOZOA. 



[bull. 17o. 



lylsiii of specie!^ — Continued. 

 SILURIAN— Continued. 



Ceramopora ? maculata Hall . . . 



? uotha Hall 



orbiculata Ringueberg 



? parvicella Hall 



? raripora Hall 



Chjetetes ?? expansus Ringueberg 



Chilotrypa ? coalescens ( Hall ) 



dispersa ( Hall ) 



ostiolata ( Hall ) 



varia (Hall) 



variolata ( Hall ) 



Clathropora ? alcicornis Hall 



frondosa Hall 



frondosa-clintonensis Hall and Whit- 

 field 



intermedia Nicholson and Hinde 



Ca4ooaiilis ? mediopora ( Hall ) 



venusta ( Hall ) 



Diamesopora dichotonia Hall 



infrequens (Hall) 



osculum ( Hall ) 



subimbricata ( Hall) 



? tubulosa (Hall) 



Dicranopora fragilis ( Billings) 



granulosa (Hall and Simpson) 



I)i|)loelema sparsum (Hall) 



Drymotrypa cisseis ( Hall ) 



diffusa (Hall) 



niagarensis ( Hall ) 



Eridotrypa corticosa ( Hall ) 



echinata ( Hall) 



Fenestella acuticosta Roemer 



adornata Hall and Simpson 



adraste Hall 



sesyle Hall 



althpea Hall 



bellistriata Hall 



cleia Hall 



crebripora Hall 



? cribrosa Hall 



Anticosti, 



Clinton. Niagara 



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