scHUCHERT] TABLES OF NORTH AMERICAN SPECIES. 



Table V. — SilKriaii UrachiojJoda — ( 'ontiiiiu-d. 



41 



Species. 



Stropheodonta cornigata pluristriataFoerste. . 



Stropheodonta ( ?) geniculata (Shaler) 



Stropheodonta ( .') gilpcni (Dawaoii) 



Stropheodonta leda (Billinga) 



Stropheodonta maera ( Winchell and Marcy) . . . 



Stropheodonta nearpassi Barrett 



StroiJheodonta prisca Hall 



Stropheodonta piot'uuda Hall 



Stropheodonta textilis Hall 



Stropheodonta ( .') ventricosa (Shaler) 



Strophomena ( ?) alterniradiata Shaler 



Strophomena (?) antiqiiata Sowerby 



Strophomena ( ?) arcuata Shaler 



Strophomena ( ?) bipartita Hall 



Strophomena ( ? ) doneti Salter 



Strophomena ( ?) eliptica Conrad 



Strophomena (?) julia Billings 



Strophomena ( ?) modesta Conrad 



Strophomena ( ?) orthididea Hall 



Strophomena philomela Billings , 



Strophomena ( .') reticulata Shaler 



Stroiihomena ( ?) semiovalis Shaler 



Strophomena ( '.) silariana Davidson 



Strophonella costatula Hall and Clarke 



Strophonella (?) patenia Hall 



Strophonella semiplicata Hall 



Strophonella striata Hall 



Treniatospira camura Hall 



Trimerolla acuminata Billings 



Triraerella liillingsi Dall 



Trimerella dalli Davidson and King 



Trimerella grandis Billings 



Trimerella ohioensis Meek 



Triplecia niagarenais Hall and Clarke 



Tripleeia ortoni ileek 



I'ncinulus stricklandi (Sowerby) 



AVhitlieldella billingsana (Meek and Worthen) 



Wliitfleldella cylindrica Hall 



AVhittieldella hyalo (Billings) 



■\Vhittieldella intermedia (Hall) 



Whitiieldella ( >.) julia (Billings) 



Whitfli Idella ( ?) naviformis (Hall) 



Whitfieldell nitida Hall 



Whittiildella nitida oblata Hall 



"Whittieldella ( ?) nucleolata (Hall) 



Whitfi.ldella oblata ( Hall) 



"Whitfieldella sulcata (Vanuxem) 



Wilsonia kokomoensis (Miller) 



* Wilsonia saflfordi Hall 



"Wilsonia saffordi depressa Nettelroth 



Wilsonia wilsoni (Sowerby) 



Zygospira (?) mica (Billings) 



Eo- 

 Silurian. 



Medina. 



Mesosilurian. 



Neosi- 

 luriau. 



An ti- 

 cca ti, 

 Clinton. 



Guelph, Teniae 

 Arisaig, w„Jl'n 



CI 

 CI 



A 



CI? 



CI 



A 



CI 



CI 



CI 



CI 

 A 

 CI 



Ar 



MS 



N 



N 

 Gu 

 Gu 

 Gu 

 Gu 



N 



X 

 X 



X 



Gu 



X 



