TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 183 



41317. Ctenobolbina spiculosa Ulrich. Holotype. 



Onondaga (Dew). Falls of the Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIX, 1900, p. 1S1, pi. 

 8, fig. 5- 



41316. Ctenobolbina subcrassa Ulrich. Cotypes. 



Stones River (Ord.). High Bridge, Kentucky. 



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

 8, figs. 1-3. 



41326. Ctenobolbina tumida Ulrich. Holotype. 



Richmond (Ord.). McKinneys, Kentucky. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIII, 1890, p. 111, pi. 

 7, figs. 5a, b. 



46122. Ctenodonta albertina Ulrich. Cotypes. 



Richmond (Ord.). Clarksville, Ohio. 



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

 1894, p. 598, pi. 42, figs. 76-S2. 



46123. Ctenodonta alta (Hall). Plesiotype. 



Trenton (Ord.). Near Fountain, Minnesota. 



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

 1894, p. 602, pi. 42, figs. 93, 94. 



46124. Ctenodonta calvini Ulrrch. Cotypes. 



Richmond (Ord.). Graf, Iowa. 



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

 1894, p. 596, pi. 42, figs. 61-64. 



46125. Ctenodonta carinata Ulrich. Cotypes. 



Trenton (Ord.). Near Fountain, Minnesota. 



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

 1894, p. 589, pi. 42, figs. 41-43- 



28164. Ctenodonta carpenderi Schuchert. Cotypes. 



Trenton (Ord.). Head of Frobisher Bay, Baffin L,and. 



Schuchert, Proc. U. S. Nat. Mus., XXII, 1900, p. 160, pi. 13, 

 figs. 1-3. 



46127. Ctenodonta cingulata (Ulrich). Plesiotypes. 



Richmond (Ord.). Boyle County, Kentuckj^. 



Ulrich, Geol. Surv. Ohio, VII, 1893, p. 680, pi. 48, figs. 10, 11. 

 See Tellinomya cingulata. 



46128. Ctenodonta compressa (Ulrich). Holotype and plesiotypes. 



Black River (Ord.). Five miles south of Cannon Falls, 

 Minnesota. 



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

 1894, p. 600, pi. 37, fig. 29; pi. 42, figs. 88-90. 



See Tellinomya compressa. 



