FAUISTAL LISTS. 



1469 



Orthoceras lineolatum (Hall). 

 Orthoceras tenuitextum (Hall). 

 Orthodcsma subcarinatum Ruedemann. 

 Pachydictya acuta (Hall). 

 Palcschara ulrichi Ruedemann. 

 Parastrophia hcmiplicata Hall. 

 Pholidops trentonensis Hall. 

 Platystrophia biforata, var. (Schlotheim) 

 Plectambonites sericeus (Sowerby). 

 Plectorthis plicatella Hall. 

 Pleurotomaria lenticulari-s (Hall). 

 Pollicipcs siluricus Ruedemann. 

 Pontobdellopsis comcta Ruedemann. 

 Proetus undulostriatus (Hall). 

 Pterotheca canaliculata (Hall). 

 Pterygometopus callicephalus (Hall). 

 Rafinesquina alternata (Emmons). 

 Rhynchotrema increbesccns Hall. 

 Schizocrania filosa Hall. 

 Schizocrinus nodosus Hall. 

 Sinuites cancellatus (Hall). 

 Solenomya? insperata Ruedemann. 

 Spyroccras bilineatum (Hall). 

 Technophorus cancellatus Ruedemann. 

 Triarthrus becki Green. 

 Tunilepasf filosus Ruedemann. 

 Whiteavesia cincta Ruedemann. 

 Whiteavesia cumingsi Ruedemann. 

 Whitella elongata Ruedemann. 

 Zygospira recurvirostris (Hall). 



TRENTON (SCHENECTADY) OF EAST CENTRAL NEW 

 YORK. 



Climacograptus typicalis Hall. 



Conularia trentonensis multicosta Ruedemann. 



Cyptolithus tesselatus (Greene). 



Dalmanella testudinaria (Dalnian). 



Dictyonema multiramosum Ruedemann. 



Diplograptus vespertinus (Ruedemann). 



Dolichoptcrus frarikfortensis Clarke and Ruedemann. 



Dolichopterus latifrons Clarke and Ruedemann. 



Eurypterus megalops Clarke and Ruedemann. 



Eurypterus pristinus Clarke and Ruedemann. 



Eurypterus? (Dolichopterus) stellatus Clarke and 

 Ruedemann. 



Eusarcus longiceps Clarke and Ruedemann. 



Eusarcus triangulatus Clarke and Ruedemami. 



Hughmilleria magna Clarke and Ruedemann. 



Isotelus gigas Dekay. 



Lasiograptus ( Thysanograptus) cucharis (Hall). 



Leptobolus insignis Hall. 



Lingula (Pseudolingula) rcctilatcralis Emmons. 



Mastigograptus simplex Walcott. 



Plectorthis plicatella Hall. 



Pterygotus (Eusarcus?) nasutus Clarke and Ruede- 

 mann. 



Pterygotus proliflcus Clarke and Ruedemann. 



Rafinesquina ulrichi James. 



Saffordia ulrichi Ruedemann. 



Sphcnophycus latifolius (Hall). 



Spyroceras bilineatum (Hall). 



Stylonurus? limbatus Clarke and Ruedemann. 



Tseniaster schoharix Ruedemann. 



Triarthus becki Green. 



Trocholites ammonius Conrad. 



TRENTON (MACASTY) OF ANTICOSTI ISLAND, QUEBEC. 



Climacograptus spiniferus Ruedmann. 

 Climacograptus typicalis magnificus Twenhofel. 

 Leptobolus insignis Hall. 

 Triarthrus becki macastyensis Twenhofel. 



MOHAWKIAN (jACKSONBURG) OF NEW JERSEY. 



(Species with * are from Black River portion; rest 

 are of Trenton age.) 



Amphilichas trentonensis (Hall). 



Archinacella patelliformis (Hall). 



Sucania punctifrons Emmons. 



Bumastus milleri (Billings). 



Calymene senaria Conrad. 

 *Camarella inornata Weller. 

 *Ceraurus plcurexanthemus Green. 



Chasmatopora fenestrata (Hall). 



Cleidophorus neglectus Hall. 



Conularia trentonensis Hall. 



Cryptolithus tesselatus Green. 

 *Ctenodonta jersey ens is Weller. 

 *Ctenodonta na$uta (Hall). 



Cyphaspis trentonensis Weller. 



Cyrtodonta billingsi Ulrich. 



Cyrtodonta canadensis Billings. 



Cyrtolitcs ornatus minor Ulrich and Scofleld. 



Dalmanella testudinaria (Dalman). 



Dinorthis pcctinella (Emmons). 



Eccyliomphalus trentonensis (Conrad). 



Encrinurus trentonensis Walcott. 



Eoharpcs ottawaensis (Billings). 



Ooniophora carinatus (Hall). 



Hindia parva Ulrich. 



Hormotoma salteri Ulrich. 



Isotelus gigas Dekay. 

 *Leperditia fabulites (Conrad). 



Lingula riciniformis Hall. 



Liospira micula (Hall). 



Lophospira medialis Urrich and Scofleld. 

 *Lophospira oweni Ukich and Scofield. 



Modiolopsis depressa Weller. 



Modiolopsis faba (Conrad). 

 * Modiolopsis jersey ensis Weller. 



Nyctopora billingsi Nichols. 



Orbiculoidea lamcllosa (Hall). 

 *0rthis tricenaria Conrad. 



Orthoceras tenuistriatum (Hall). 



Orthodesma canaliculatum Ukich. 



Parastrophia hemiplicata (Hall). 



Pianodema subacquata Conrad. 



Platystrophia biforata var. (Schlotheim). 



Plectambonites sericeus (Sowerby). 



Plectorthis plicatella (Hall). 



Prasopora simulatrix Ulrich. 



Proetus brcvimarginatus Weller. 



Proetus latimarginatus Weller. 



Protowarthia cancellata (Hall). 

 *Pseudosphercxochus trentonensis Clarko. 



Pteryometopus callicephalus (Hall). 

 *Pterygometopus inter medius (Walcott). 

 *Ptychopyge jcrseyensis Weller. 



Rafinesquina alternata (Emmons). 

 *Raphistoma peracuta Ukich and Scofleld. 



Rhychotrcma increbescens (Hall). 

 *Romingeriaf trentonensis Weller. 

 *Scenidium anthoncnsis Sardeson. 



