478 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



3590. Pachydomus antiquatus (Sowerby). Plesiotypes. 



CarlxMiiferous. Harpers Hill, New South Wales, 

 Australia. 



Dana, Wilkes U. vS. Expl. Exped., X, 1849, p. 693, Atlas, pi. 5, 

 fig- 2. 



25534. Pachylobius compressus vScudder. Cotype. 



Older Tertiary. Roan Mountains, western Colorado. 



Scudder, Mon. XXI, U. vS. Geol. vSurv., 1S93, p. 90, pi. 10. fig. 1 1. 



25535. Pachylobius delecticius Scudder. Holotj^pe. 



Older Tertiary. White River, Utah. 



vScudder, Mon. XXI, U. ,S. Geol. Surv., 1893, p. 90, pi. 10, fig. 14. 



25536. Pachylobius depraedatus vScudder. Cotype. 



Older Tertiary. Roan Mountains, western Colorado. 



vScudder, Mon. XXI, U. S. Geol. vSurv., 1893, p. 91, pi. 10, fig. 12. 



8153. Pachymelania chrysalis (Meek ). Cotypes and plesiotypes. 



231 1 1. Bear River (Cret.). Sulphur Creek, and Sage Station, 



Wyoming. 



White, Bull. No. 128, U. vS. Geol. vSurv., 1895, p. 51, pi. 7, figs. 6, 

 7, 8, 12, 13. 



vSee Goniobasis chrysalis. 



8157. Pachymelania chrysalloidea (White). Cotypes and 



plesiotypes. 

 Bear River (Cret.). vSulphur Creek, and near Evanston, 

 Wyoming. 

 White, Bull. No. 128, U. S. Geol. vSurv., 1895, p. 52, pi. 7, figs. 4, 5. 

 vSee Goniobasis chrysalloidea. 



8152. Pachymelania cleburni (White). Cotypes and plesiotypes. 



231 12. Bear River (Cret.). Bear River Valley, near mouth of 



vSulphur Creek, and seven miles north of Evanston, 



Wyoming. 

 White, Bull. No. 128, U. vS. Geo). vSurv., 1895, p. 51, ])1. 7, figs. 1-3. 

 See Goniobasis cleburni. 



19016. Pachymelania ? macilenta ( White). Holotype and 



22253. plesiotyjies. 



Bear River (Cret.). vSulphur Creek, and near h^vanston, 



Wyoming. 



White, Bull. No. 128, U.S. Geol. vSurv., 1895, p. ,S4, pi- 7, figs. 9-1 1. 



See Goniobasis macilenta. 



22315. Pechymelania turricula While. Holotype. 



Jiear River (Cret.). vSul])hur Creek, and vSage vStalion, 

 Wyoming. 

 White, Hull. No. 128, U. vS. Geol.vSurv., 1895, p. 53, ])]. 7, figs. 14, 15. 



