TYPK SPECIMENS OF INVEKTEHRATK FOSSILS. 173 



15302. Coscinocyathus billingsi (Walcott). Holotype. 



Lower Cam])rian. L'Anse au Loup, Labrador. 



Walcott, Ttiith Ann. Rept. U. S. Geol. Surv., 1890, p. 600, pi. 51, 

 figs. 2-2b. 



See Arclucocyathtis billins^^si. 



25556. Cossonus rutus vSctidder. Holotype. 



Older Tertiarw Roaii Mountains, western Colorado. 



Scuddc-r, Mon. XXI, I'. S. Geol. Surv., 1S93, ]•>. 155, ])1. 12, fi.Lj. 7. 



35359. Cranaena subelliptica Hall and Clarke. Plesiotypes. 



\Vaverl>- (Mi.ss. ). vSciotoville, Ohio. 



Girtv, Prof. Pap. No. 16, T". vS. Geol. vSurv., 1903, ]>. 299, ]>\. 1, 

 fiKS. 6, 7. 



35360. Cranaena subelliptica hardingensis Oirty. Cotj^pes. 



35361. Millsap ( Miss. ). Canxon and (xardcn Park, Colorado. 



Girty, Prof. Pap. No. 16, U. iS. Geol. vSurv.', 1903, p. 299, pi. i, 

 fi.L''S. S-io. 



35 '63. Crania laevis Keyes. Plesioty])e. 



Madison (Miss.). Crowfoot Ridge, Yellowstone National 

 Park. 



GirtN, Mou. XXXII, I't. II, l'. vS. Geol. Surv., 1S99, p. 520, ])1. 

 6S, fis.^. la. 



8053. Crassatella cimarronensis White. Cotypes. 



b'o.x. Hills ( Cret. ). Cimarron, New Mexico. 



White, Elevrnlli Ann. Rept. V. vS. Geol. Surv. Terr.. 1S77 (1S79), 

 p. 2S7, ])1. 5, fij^rs. 3a-3c. 



13339. Crassatella collina Conrad. lIoloty])e. 



Miocene. .Santa Inez Mountains, vSanta Barbara Coitnt}', 

 California. 



Conrad, Rept. Ivxj)!. and ,Survs. R. R. Miss. Riv. to Pacific Ocean, 

 VII, 1.S57, p. 193, 1)1. 6, fii^s. 1, 2. 



553. Crassatella cuneata Gabb. Cotype. 



Ripley (Cret.). Etifaula, Alabama. 



Gabb, vSynoj). of the Mollusca of the Cretaceous b'onnation, 1S61, 

 p. 1 12. 



See Cra.ssatella i)tero])sis. 



2490. Crassatella declivis Ikilprin. Holotype. 



Iwcene. Acjuia Creek, \'iriL;inia. 



Heilprin. Proc. U. vS. Nat. ;Mus., Ill, iSSo. p. 151, fig. 9. 



322. Crassatella ( Pachythaerus ) evansi (Hall and Meek). 



Plesiotypes. 

 Port Pierre (Cret.). Near Sage Creek, on Cheyenne 

 River, South Dakota. 



Meek, Rept. U. S. Geol. vSurv. Ten., IX, 1.S76, p. 117, pi. 17, 

 figs. 6a-d. 



