1458 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Vaginoccras longissimum (Hall). (W.) 



Vaginoccras multitubulatum (Hall). (W.) 



Vanuzemia crassa Ulrich. (D.) 



Vanuzemia dccipiens Ulrich. (P.) 



Vanuzemia dizonensis Meek and Worthen. (P.) 



Vanuzemia dizonensis insueta Ulrich. (P.) 



Vanuzemia inconstans Billings. (Le.) 



Vanuzemia media Ulrich. (P.) 



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



Vanuzemia obtusifrons (Ulrich). (P.) 



Vanuzemia parvula Whiteaves. (L.) 



Vanuzemia rectirostris (Hall). (P.) 



Vanuzemia rotundata (Hall). (P.) 



Vanuzemia sardesoni (Ulrich). (P.) 



Vanuzemia suberecta Ulrich. (D.) 



Vanuzemia subrotunda Ulrich. (D.) 



Vanuzemia terminalis (Ulrich). (P.) 



Vanuzemia umbonata Ulrich. (D., Le.) 



Vinella repens Ulrich. (D.) 



Whiteavesia modioliformis (Meek and Worthen). 



(P.) 



Whiteavesia superba (Hall). (P.) 



White lla comprcssa Ulrich. (D.) 



Whitella concentrica Ulrich. (D.) 



Whitella megambona (Whitfield). (P.) 



Whitclla rugatina Ulrich. (D.) 



Whitella scofieldi Ulrich. (D.) 

 Zittelella inosculata Ulrich and Everett. (P.) 

 Ziltclella 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. 



(PO 



Zittelella typicalis turbinata Ulrich and Everett. 



(P.) 

 Zittcloceras bilUngsi (Salter). (Le., P., A.) 

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

 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 (Paractinoccras) canadense (Whiteaves). 



Actinoccras richardsoni Stokes. 



Actinoceras richardsoni magnum Parks. 



Aparchites granilabiatus (Ulrich). 



Aparchites parvulus Jones. 



Aparchites whiteavesi Jones. 



Ascoceras boreale Parks. 



Ascoccras costulatum Whiteaves. 



Aulocopella winnipegensis Rauff. 



Chaetetcs perantiquufWhitezves. 



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). 

 Discoccras canadense Whiteaves. 

 Ectomaria pagoda occidentalis (Whiteaves). 

 Edmondia? vetusta Whiteaves. 

 Eurystomitcs plicatus Whiteaves. 

 Halysites catenularia (Linnaeus). 

 Halysitcs catenularia gracilis (Hall). 

 Hormotoma winnipegensis Whiteaves. 

 Jovellania semiplanata (Whiteaves). 

 Lozoncma winnipegensc Whiteaves. 

 Maclurina manitobensis Whiteaves. 

 Maclurina manitobensis acuta Parks. 

 Maclurites subovatus (Parks). 

 Mesotrypa selkirkensis Whiteaves. 

 Modiolopsis angustifrons Whiteaves. 

 Narthccoccras crassiphonatum (Whiteaves). 

 Narthecoccras simpsoni (Billings). 

 Oncoceras magnum Whiteaves. 

 Oncoccras magnum intermedium Whiteaves. 

 Oncoceras whiteavesi Miller. 

 Orthoceras lepidodendroides Parks. 

 Orthoceras selkirkense Whiteaves. 

 Orthoceras winnipegense Whiteaves. 

 Orthodesma affine Whiteaves. 

 Palxopteria parvula Whiteaves. 

 Plcurotomaria (?) margaritoides Whiteaves. 

 Plcurotomaria stokesiana Whiteaves. 

 Potcrioceras apertum Whiteaves. 

 Poterioceras gracile Whiteaves. 

 Potcrioceras nobile Whiteaves. 

 Potcrioceras tyrelli Parks. 

 Rhinidictya obliqua (Ulrich). 

 Rhytimya recta Whiteaves. 

 Serpulitcs dissolutus (Billings). 

 Solcnopora compacta Billings. 

 Thamnograptus affinis Whiteaves. 

 Trichospongia hystrix Whiteaves. 

 Tripteroceras Iambi (Whiteaves). 

 Trochoceras mccharlesi Whiteaves. 

 Trochonema ecccntricum Ulrich. 



POGONIP OF NEVADA. 



(Lower = L.; upper = U.) 



Acrotreta? cancellata Walcott. (L.) 

 Acrotreta curvata Walcott. (L.) 

 Acrotreta idahoensis Walcott. (L.) 

 Acrotreta idahoensis alta Walcott. (L.) 

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

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

 A patokephalus finalis (Walcott). (U.) 

 Archinacella phillipsi (Walcott). (U.) 

 Arcthusina amcricana Walcott. (L.?) 

 Asaphus? caribouensis Walcott. (U.) 

 Asaphus? curiosus Billings. (U.) 

 Bathyurus pogonipensis Hall and Whitfield. (L.) 

 Bathyurus(f) simillimus Walcott. (U.) 

 Calvinclla tcnuisculpta Walcott. (L.) 

 Coleoprion minuta Walcott. (U.) 

 Conokcphalina inczpectans (Walcott). (L.) 

 Ctcnodonta contractu Salter. (U.) 

 Ctenodontahamburgcnsis (Walcott). (U.) 

 Cyrtolitis sinuatus Hall and Whitfield. (U.) 

 Dalmanella hamburgensis (Walcott). (U.) 

 Dalmanclla melita (Hall and Whitfield). (L.) 

 Dolichomctopus mccoyi (Walcott). (U.) 

 Elkania ambigua (Walcott). (L.) 



