144 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



10925 1. Chama lyelli Dall. Holotype. 



Oligocene. Jacksonboro, Georgia. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. VI, 1903, 

 p. 1399, pi. 54, fig. 3. 



109248. Chama tampaensis Dall. Holotype. 



Oligocene. Tampa Ba}', Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. VI, 1903, 

 p. 1398, pi. 54, fig. 6. 



109249. Chama willcoxii Dall. Cotypes. 



Pliocene. Shell Creek, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pc. V, 1900, pi. 

 41, figs. 5, 6, 7; Pt. VI, 1903, p. 1401. 



24561. Chariocephalus tumifrons Hall and Whitfield. Cotypes. 



Upper Cambrian. West .side of Pogonip Mountain, White 

 Pine District, Nevada. 



Hall and Whitfield, Rept. U S. Geol. Expl. 40th Par., IV, Pt. II, 

 1877, p. 224. pi. 2, figs. 38, 39. 



24643. Chariocephalus (?) tumifrons Hall and Whitfield. Plesio- 



types. 



Upper Candjrian. Secret Canyon, Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Snrv., 1884. p. 61, pi. 10, fig. 16. 



231 15. Charydrobia stachei White. Cotypes. 



Bear River (Cret.). Twenty miles north of Cokeville, 

 Wyoming. 

 White, Bull. No. 128, U. S. Geol. Surv., 1S95, p. 58, pi. 10, figs. 7-9. 



43277. Cheilotrypa hispida Ulricli. Cotypes and figured .sections. 



Chester (Miss. ). Sloans \"alley, Kentucky. 



Uh-ich, Journ. Cincinnati Soc. Nat. Hist., VII, 1S84, p. 50, pi. 3, 

 figs. 6, 6a-d. 



43278. Cheilotrypa ostiolata (Hall). Plesiotypes and figured .sec- 



tions. 

 Rochester (Sil.). Lockport, New York. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., VII, 1884, pi. 3, figs. 

 7. 7a. 



38149. Cheliphlebia carbonaria Scudder. Holotype. 



Upper Coal Measures. Mazon Creek, Grundy County, 

 Illinois. 



Scudder, Mem. Boston Soc. Nat. Hist., HI, 1885, p. 328, pi. 30, 

 fig. 8; Foss. Insects N. America, I, 1890, p. 292, pi. 16, fig. 8. 



263. Chemnitzia cerithiformis (Meek and Hayden). Holotype. 

 Fox Hills (Cret.). Moreau, South Dakota. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 187, p. 339. pi. 32, figs, 

 loa, lob. 



See Scalaria cerethiformis. 



