00 NEW YORK STATE MUSEUM 



5 Black compact limestone (contimied) 



Christiania trentoneusis «p. nor. c 



Orthis tricenaria Hall c 



Platystrophla biforata Schlotheim sp. c 



Daliiianella t>estiulinaria Dalman sp. c 



^^^litella vt'iitricosa Hall sp. i*»* 



Ctenodouta sp. indet. " rr 



C. (7". astartjieformis fialtcr r 



l*i*oto\varthia caDcellata Hall sp. r 



Conradella oompressa Conrad sp. r 



Carinaropsis cariiiata Hall J* 



Tyopliospira bicincta Hall sp. r 



Liospira amerieana liilliHgs sp. i'^ 



Eccylioptenis spiralis sp. nov. rr 



noloi)ea paliuliuiformis Hall i*r 



Couularla cf. trentonensis Hall rr 



Zitteloceras halliauum d'Orbigny sp. I'l* 



Tretaspis reticulata sp. nov. cc 



T. diademata sp. nov. ^ 



Ampyx (Lonchodomas) hastatus sp. uoc. ^'c 



liemopleurides linguatus sp. nov. cc 



Isotelus maximiis Locke ^ 



Illaenus americanus Billings c 



Cyphaspis matutina sp. nov. 

 Bronteus lunatus Billings ^'^ 



Calymmeue seuaria Conrad ^'^ 



rterygometopiis callicephalus Hall sp. c 



Ceraurus pleurexanthemus Green sp. c 



Cybele sp. 



Spbaerocorypbe major sp. nov. 

 Isocbilina i^rmata Walcott, var. pygmaea var. nov. 

 Primitia miindula Miller, var. jonesi var. nov. r 



Aparcbites miuutissimus Hall sp., var. robustus rar. nor. c 



Bytbocypris cylindrica Hall sp. 

 6 Reddisb gray compact limestone 



Ralinesquina altemata Conrad sp. 

 Dalmanella testudinaria Dalman sp. 

 Triplecia nucleus Hall 

 Protozyga exigua Hall 

 Carinaropsis carinata Hall 

 Gerasapbes ulricbana Clarke sp. 

 Ampyx bastatus sp. nov. 

 Ilemoplcurides linguatus sp. nov. 

 R. tumidulus sp. nov. 

 Pterygometopus callicepbalus Greeti sp. 

 I>ei^rditla resplendens sp. nov. 



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 r 



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 r 



rr 

 r 

 r 



rr 

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