182 BULLETIN 53, UNITED STA.TES NATIONAL MUSEUM. 



41325. Ctenobolbina ciliata emaciata Ulrich. Holotype. 



Richmond (Ord. ). Savannah, Illinois. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIII, 1890, p. 109, pi. 7, 

 figs. 3a-c. 



41497. Ctenobolbina crassa (Ulrich). Cotypes. 



Black River (Ord.). St. Paul, Minnesota. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1894, p. 675, pi. 44, figs. 12-16. 



See Jonesella crassa. 



41322. Ctenobolbina fulcrata Ulrich. Cotypes. 



Black River (Ord.). St. Paul, Minnesota. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 p. 674, pi. 44, figs. 8-1 1. 



41324. Ctenobolbina granosa Ulrich. • Holotype. 



New Scotland (Dev.). Albany County, New York. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIX, 1900, p. 183, pi. 

 8, fig. 12. 



41320. Ctenobolbina informis Ulrich. Holotype. 



Onondaga (Dev.). Falls of the Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIII, 1890, p. 187, figs. 

 6a-c. 



41318. Ctenobolbina insolens Ulrich. Cotypes. 



Onondaga (Dev.). Falls of the Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIX, 1900, p. 182, pi. 8, 

 figs. 10, 11. 



41323. Ctenobolbina loculata Ulrich. Cotypes. 



Kinderhook (Miss.). Mt. Pleasant, Tennessee. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIX, 1900, p. 184, pi. 

 S, figs. 13, 14. 



41370. Ctenobolbina minima Ulrich. Holotype. 



Hamilton (Dev.). Eighteen Mile Creek, near Buffalo, 

 New York. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIII, 1890, p. 188, pi. 

 15, ng. 7. 



41325. Ctenobolbina obliqua Ulrich. Holotype. 



Trenton (Ord.). Kenyon, Minnesota. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIX, 1900, p. 180, pi. 

 8, fig. 4. 



4 1 32 1. Ctenobolbina papillosa Ulrich. Holotype. 



Onondaga (Dev.). Falls of the Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIII, 1890, p. 186, pi. 

 15, figs. 8a-c. 



41578. Ctenobolbina punctata Ulrich. Holotype. 



Rochester (Sil.). Lockport, New York. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIII, 1890, p. 186, pi. 

 12, figs. 5a-c. 



