1458 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Vaginoceras longissimum (Hall). (W.) 



Vaginoceras multitubulatum (Hall). (W.) 



Vanuxemia crassa Ulrich. (D.) 



Vanuxemia decipiens Ulrich. (P.) 



Vanuxemia dixonensis Meek and Worthen. (P.) 



Vanuxemia dixonensis insueta Ulrich. (P.) 



Vanuxemia inconstans Billings. (Le.) 



Vanuxemia media Ulrich. (P.) 



Vanuxemia niota (Hall). (P., D.) 



Vanuxemia obtusifrons (Ulrich). (P.) 



Vanuxemia parvula Whiteaves. (L.) 



Vanuxemia rectirostris (Hall). (P.) 



Vanuxemia rotundata (Hall). (P.) 



Vanuxemia sardesoni (Ulrich). (P.) 



Vanuxemia suberecta Ulrich. (D.) 



Vanuxemia subrotunda Ulrich. (D.) 



Vanuxemia terminalis (Ulrich). (P.) 



Vanuxemia umbonata Ulrich. (D., Le.) 



Vinella repens Ulrich. (D.) 



Whiteavesia modioliformis (Meek and Worthen). 



(P.) 



Whiteavesia superba (Hall). (P.) 



Whitella compressa Ulrich. (D.) 



Whitella concentrka Ulrich. (D.) 



Whitella megambona (Whitfield). (P.) 



Whitella rugatina Ulrich. (D.) 



Whitella scofleldi Ulrich. (D .) 



Zittelella inosculata UMch and Everett. (P.) 



Zittelella lobata (Ulrich and Everett). (P.) 



Zittelella trentonensis (Worthen). (P.) 



Zittelella typicalis Ulrich and Everett. (P.) 



Zittelella typicalis pistilliformis Ulrich and Everett. 



(P.) 



Zittelella typicalis subrotunda Ulrich and Everett. 



(P.) 



Zittelella typicalis turbinata Ulrich and Everett. 



(P.) 



Zitteloceras billingsi (Salter). (Le., P., A.) 

 Zitteloceras hallianum (D'Orbigny). (D.) 

 Zygospira nicolleti Winchell and Schuchert. (P., A.) 

 Zygospira recurvirostris (Hall). (P., L., D., A.) 



BLACK RIVER OR RICHMOND (MANITOBA). 



(This list includes the species from the Cat Head and 

 associated formations in Manitoba. Although re- 

 corded as of Mohawkian age by Whiteaves, it is 

 probable that many of them were derived from 

 Richmond strata.) 



Actinoceras (Paractinoceras) canadense (Whiteaves). 



Actinoceras richardsoni Stokes. 



Actinoceras richardsoni magnum Parks. 



Aparchites granilabiatus (Ulrich). 



A parchites parvulus Jones. 



Aparchites whiteavesi Jones. 



A scoceras boreale Parks. 



Ascoceras costulatum Whiteaves. 



Aulocopella winnipegensis Rauff. 



Chaetetes perantiquus Whiteaves. 



Chondrites (Buthotrephis) cuneatus Whiteaves. 



Chondrites cupressinus Whiteaves. 



Chondrites gracillimus Whiteaves. 



Chondrites (Buthotrephis) patulus Whiteaves. 



Clinopistha antiqua Whiteaves. 



Corynotrypa canadensis Whiteaves. 



Cyrtoceras laticurvatum Whiteaves. 



Cyrtoceras manitobense Whiteaves. 



Dictyonema canadense (Whiteaves). 

 Discoceras canadense Whiteaves. 

 Ectomaria pagoda occidcntalis (Whiteaves). 

 Edmondia? vetusta Whiteaves. 

 Eurystomites plicatus Whiteaves. 

 Halysites catenularia (Linnseus). 

 Halysites catenularia gracilis (Hall). 

 Hormotoma winnipegensis Whiteaves. 

 Jovellania semiplanata (Whiteaves). 

 Loxoncma winnipegense Whiteaves. 

 Maclurina manitobensis Whiteaves. 

 Maclurina manitobensis acuta Parks. 

 Maclurites subovatus (Parks). 

 Mesotrypa selkirkensis Whiteaves. 

 Modiolopsis angustifrons Whiteaves. 

 Narthecoceras crassiphonatum (Whiteaves). 

 Narthecoceras simpsoni (Billings). 

 Oncoceras magnum Whiteaves. 

 Oncoceras magnum intermedium Whiteaves. 

 Oncoceras whiteavesi Miller. 

 Orthoceras kpidodendroides Parks. 

 Orthoceras selkirkense Whiteaves. 

 Orthoceras winnipegense Whiteaves. 

 Orthodesma affine Whiteaves. 

 Palxopteria parvula Whiteaves. 

 Pleurotomaria (?) margaritoides Whiteaves. 

 Pleurotomaria stokesiana Whiteaves. 

 Poterioceras apertum Whiteaves. 

 Poterioceras gracile Whiteaves. 

 Poterioceras nobile Whiteaves. 

 Poterioceras tyrclli Parks. 

 Rhinidictya obliqua (Ulrich). 

 Rhytimya recta Whiteaves. 

 Serpulites dissolutus (Billings). 

 Solenopora compacta BiUings. 

 Thamnograptus affinis Whiteaves. 

 Trichospongia hystrix Whiteaves. 

 Tripteroceras Iambi (Whiteaves). 

 Trochoceras mccharlcsi Whiteaves. 

 Trochonema cccentricum Ulrich. 



POGONIP OF NEVADA. 



(Lower = L.; upper = U.) 



Acrotreta? cancellata Walcott. (L.) 

 Acrotreta curvata Walcott. (L.) 

 Acrotreta idahoensis Walcott. (L.) 

 Acrotreta idahoensis alia Walcott. (L.) 

 Agnostus communis (Hall and Whitfield). (L.?) 

 Agnostus tumidosus (Hall and Whitfield). (L.?) 

 Apatokephalus finalis (Walcott). (U.) 

 A rchinacella phillipsi (Walcott). (U.) 

 Arethusina amcricana Walcott. (L.?) 

 Asaphus? caribouensis Walcott. (U.) 

 Asaphus? curiosus Billings. (U.) 

 Bathyurus pogonipensis Hall and Whitfield. (L.) 

 Bathyurus(?) simillimus Walcott. (U.) 

 Calvinella tenuisculpta Walcott. (L.) 

 Coleoprion minuta Walcolt. (U.) 

 Conokephalina incxpectans (Walcott). (L.) 

 Ctenodonta contracta Salter. (U.) 

 Ctenodonta hamburgcnsis (Walcott). (U.) 

 Cyrtolites sinuatus Hall and Whitfield. (U.) 

 Dalmanclla hamburgensis (Walcott). (U.) 

 Dalmanella melita (Hall and Whitfield). (L.) ' 

 Dolichometopus mccoj/i (Walcott). (U.) 

 Elkania ambigua (Walcott). (L.) 





