INDEX 



[Figures in heavy-faced type indicate the page on which the description is given.] 



Page. 



ACEKVULARIA pentagona 1O5 



A on. A test udinalis 260 



ACROTHELE .,, 14, 69 



? dichotoma 14 



ACROTRETA 16,69 



attenuata 17 



gemma 3,16,17,18,20,71 



pyxidicula * 17 



subconica 17 



ACTIXOPTERA 166 



ACTIXOPTERIA 166 



Boydi 164,166 



A( -TIXOZO A 100 



AGXOSTUS 24 



bidens 3,17,26,27 



communis 3, 27 



Neon 3,27 



25 



28 



24 



25 



271 



AGRAULOS 55,61 



? globosus 61 



Oweni 55 



sp.? 55 



ALLORISMA Hannibalensis 244 



subcuneata, var 225 



tenninalis 225 



ALVEOLITES multilamellata 274 



Rockfordensis 1O2 



AMBOCCELIA umbonata 5,276 



AMPHION 94 



Xevadensis 94 



sp. ? 272 



AMPULLARIA 261 



?Powelli 8,261,263 



pnnceps 



prolongus 



Richrnondensis 



seclusus 



tumidosus ... 



Page. 



ANODONTOPSIS 180 



amygdateformis 18O 



ANOMITES cuspidatus 



ANOMOCARE 



acuminatam 



?parvum 



ANTHRACO-PUPA Ohioensis 

 ARCH^EOCIDARIB 



Shuinardiana 



Wortheni 



219 



59 



50 



59 



262 



212 



-213 



212 



212 



62 



Americana 3, 62 



ARETHUSINA . 



Konincki 



ARIONELLUS ? Oweni 



(Crepicephalus) Oweni 

 = Ptychoparia Oweni . . 



ASAPHUS . . . 



35 



55 



55 



55 



98 



Caribouensis 3,98 



? curiosa 



platycephalus 



98 



272 

 272 

 99 

 99 



ASTYLOSPONGI A 



Sp. 1 



ATHYRIB 148,222 



Angelica 148,169 



Clara 149 



Cora 148 



hirsuta 222 



Maia 141 



nasuta 149 



{polita 224 



Royssii 222,280 



sublamellosa 5, 222 



subtilita 280 



trinuclea 224 



sp.? 148,276 



287 



