

BIBLIOGRAPHIC LIST OF GENERA AND SPECIES. 299 



Ctenobolbina emaciata (Ulrich). 



Ctenobolbina ciliata var. emaciata Ulrich, Jour. Cincinnati Soc. Nat. Hist., 13, 



1890, p. 109, pi. 7, figs. 3a-c. 

 Ctenobolbina emaciata Ulrich and Bassler, Proc. U. S. Nat. Mus., 35, 1908, p. 



310, pi. 40, figs. 3-5. 



Richmond (Maquoketa): Savannah, Illinois. 

 Holotype.Csit. No. 41325, U.S.N.M 



Ctenobolbina fulcrata Ulrich. 



Ctenobolbina fulcrata Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 674, pi. 44, figs. 



8-11. Ulrich and Bassler, Proc. U. S. Nat. Mus., 35, 1908, p. 297, fig. 40, pi. 



40, figs. 13, 14. Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 353, fig. 



1660, r, r 7 , s. 



Black River (Decorah): St. Paul, Minnesota. 

 Cotypes,C2it. No. 41322, U.S.N.M. 



Ctenobolbina hammelli (Miller and Faber). 



Beyrichia hammelli Miller and Faber, Jour. Cincinnati Soc. Nat. Hist., 17, 1894, 



p. 156, pi. 8, fig. 26. Miller, N. A. Geol. Pal., 2d App., 1897, p. 787, fig. 1458. 

 Ctenobolbina hammelli Ulrich and Bassler, Proc. U. S. Nat. Mus. 35, 1908, p. 310. 

 Ctenobolbina ciliata var. hammelli Cumings, 32d Ann. Rep. Dep. Geol. Nat. 



Res. Indiana, 1908, p. 1045, pi. 53, fig. 6. 

 Richmond (Arnheim-Waynesville): Versailles, etc., Indiana; Lebanon, etc., 



Ohio. 



Ctenobolbina obliqua Ulrich. 



Ctenobolbina obliqua Ulrich, Jour. Cincinnati Soc. Nat. Hist., 19, 1900, p. 180, 

 pi. 8, fig. 4. Ulrich and Bassler, Proc. U. S. Nat. Mus., 35, 1908, pi. 40, 

 fig. 10. 



Trenton (Prosser): Kenyon, Minnesota. 

 Holotype.Czt. No. 41328, U.S.N.M. 



Ctenobolbina punctata Ulrich. 



Ctenobolbina punctata Ulrich, Jour. Cincinnati Soc. Nat. Hist., 13, 1891, p. 186, 



pi. 12, figs. 5a-c. Ulrich and Bassler, Proc. U. S. Nat. Mus., 35, 1908, pi. 



40, figs. 19, 20. 



Clinton (Rochester): Lockport, etc., New York; Grimsby, Ontario. 

 HolotypeC&t. No. 41578, U.S.N.M. 



Ctenobolbina subcrassa Ulrich. 



Ctenobolbina subcrassa Ulrich, Jour. Cincinnati Soc. Nat. Hist., 19, 1900, p. 

 180, pi. 8, figs. 1-3. Ulrich and Bassler, Proc. U. S. Nat. Mus., 35, 1908, p. 

 293, fig. 27; p. 297, fig. 42, pi. 40, figs. 17, 18. 

 Stones River (Ridley) : High Bridge, Kentucky. 

 Cotype Cat. No. 41316, U.S.N.M. 



Ctenobolbina subrotunda Ruedemann. 



Ctenobolbina subrotunda Ruedemann, Bull. New York State Mus., 42, Pal., 



1901, p. 576, pi. 2, figs. 1-4. 

 Trenton (Snake Hill): Port Schuyler, New York. 



CTENOBOLBINA TUMIDA Ulrich. See Beyrichia tumida. 

 CTENOCRINUS L.EVIS Roemer. See Melocrinus roemeri. 

 CTENOCRINUS ORNATUS Hall. See Macrostylocrimis ornatus. 

 CTENOCRINUS STRIATUS Hall. See Macrostylocrinus striatus. 



