SYSTEMATIC LIST OF FOSSILS. 



IjOWER SIIiUEIAX (Orrforitiaii)— Coutiuiiocl. 

 POGONIP TEKRANE — Coutiuucd. 



Clonora and spucii'S. 



Gasteropoda. 

 lirlliidliliim (Bucania) bidorsata Hall. 



sp? 



Straparollus sj). ? , 



Rapliistoma uasoui Hall (sp.) , 



Mun'liisiinia millcri Hall . 



sp. ? 



sp- 



I'leurotomaria loiiensis \\ alcott . 



.sp. ? 



Heliiotoma sp. ? 



Maclurea annulata Walcott 



carinata Walcott 



subanuulata Walcott. . 



sp.? 



Metoptoma ? analoj.'a Wakott. .. 



phillipsi Walcott ... 



C'vrtnlitcs siuuatiis II. >t W 



I'ltroiioda. 



(iiledpriim minuta WaUott . . 



llvolithcs vanusemi Walcott. 



sp.? 



"ephalopodii. 



Ortln>(<T:is multicameratum Hall 



•lap.? 



Endoioras (like E. multitubulatum). 



proteiforme Hall . 

 Cruslacea. 

 Lcpi-rditia bivia White 



sp. f . 

 Beyrichia sp. ? .. 

 Plumulites sp. ?. 



Pcecilopoda. 



A^nostiis bideiis Meek 



coinmmiis H. iSc W 



ueon H. & \V 



tumidosns H. & W 



Dicellocephalus inexpectans Walcott.. 



liualis, Walcott ■ 



multiciuctus H. & W j 



13 '- ^ .• 



Trontou group siiccies in New York, 



Canada, etc. 

 Like B. allegoriciis White. 



Trenton group of Wisconsin. 



I'. ' Trenton group spi^tries in New York, 

 Canada, etc. 



Ty]ic from the White Pine District, Ne- 

 vada. 



.V sp. of the Lower Trent on in New York. 



Species of Lower Trenton in New York 



State. 

 Trenton group sp. 



Type from the Schell Creek Range, Ne- 

 vada. 



Type from Gallatin Kivcr, Montana. 

 Type from White Pine District, Nevada. 



(ieol. Expl. Fortieth Par., vol. iv., p. 231. 

 Ueol. K.\:pl. Fortieth Par., vol. iv., p. 226. 



