TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 181 



13860. Cryptonella pinonensis Walcott. Holotype. 



I'ppcr Devonian. The Gate, near ICureka, Nevada. 



Walcott, Moil. \1II, U. S. C,eo\. Surv., 1884,]). 163, pi. 4, fiKs. 4-4!). 



25548. Cryptorhynchus annosus Scudder. Plesiotype. 



Older Tertiary. Roan Mountains, Western Colorado, and 

 White River, Ivistern Utah. 



Scnuldcr, Mon. XXI, l'. S. Cieol. Surv., 1S93, p. 12S, pi. 11, fi^. 10. 



25547. Cryptorhynchus durus Scndder. Holotype. 



Older Tertiarw Roan .Monntains, Western Colorado. 



Sciulder, Mon. XXI, V. S. Geol. Surv., 1893, p. 126, ])1. 11, fij^. 8. 



38865. Cryptozoe problematicus Packard. Holotype. 



Coal Measures. Mazon Creek, Illinois. 



Packard, Proc. .Xnier. Philo.s. vSoc, XXIII, 1886, p. 3S1, plate 

 figs. J, 2. 



33799. Cryptozoon ? occidentale I)aw.son. Cotypes. 



Cluiar ( Al5.(onkianj. Grand Canyon, Arizona. 



Walcott, Bull. C.eol. Soc. Amer., X, 1899, p. 233, pi. 23, figs. 1-4. 



41489. Ctenobolbina alata Tlrich. Cotypes. 



Utica (Ord. ). Cincinnati, Ohio. 



ririch, Journ. Cincinnati .Soc. Nat. Hist., XIII, 1890, p. no, 

 p\. 7, figs. 4a-c. 



41319. Ctenobolbina (? Bollia ) antespinosa ririch. Holotype. 



Onondaga (Dev.). Ivalls of the Ohio. 



ririch, Journ. Cincinnati .Soc. Nat. Hist., XIII, 1890, p. 187, 

 pi. 15, figs. 9a-c. 



41494. Ctenobolbina armata Ulrich. Holotype. 



Onondaga (Dev. ). Falls of the Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIX, 19CX), p. 181, 

 pi. 8, fig. 6. 



41490. Ctenobolbina bispinosa Ulrich. Holotype. 



Utica (Ord. ). Cincinnati, Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIII i89<j, p. no, 

 pi. 7, fig. 6. 



41495. Ctenobolbina cavimarginata Ulrich. Cotypes. 



Onondaga (Dev. ). Falls of the Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIX, 1901), p. 182, pi. 

 8. figs. 7-9. 



41492. Ctenobolbina ciliata ( ICmnions). Plesiotj-pes. 



Utica (Ord.). Cincinnati, Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., XIII, 1S90, p. 108, pi. 7, 

 figs. la, lb. 



