84 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



8484. Aviculopecten maccoyi Meek and Hayden. Plesiotype. 



Upper Carboniferous. Near Bear Spring, Camp Wingate, 

 New Mexico. 



White, Rept. U. S. Geogr. Surv. W. 100th Merid., IV, Pt. I, 



1876, p. 149, pi. 11, fig. 2a. 



6502. Aviculopecten neglectus (Geinitz). Plesiotypes. 



Upper Carboniferous. Nebraska City, Nebraska. 



Meek, Final Rept. U. S. Geol. Surv. Neb. (Hayden), 1872, p. 193, 

 pi. 9, fig. ib. 



= Euchondria neglecta. 



46368. Aviculopecten oblongus Meek and Worthen. Plastotype. 

 Keokuk (Miss.). Warsaw, Illinois. 



Meek and Worthen, Geol. Surv. 111., II, 1866, p. 258, pi. iS, 

 figs. 3a, b. 



15215. Aviculopecten occidaneus Meek. Cot3 T pes. 



Upper Carboniferous. Weber Canj^on, Wahsatch Range, 

 Utah. 



Meek, Rept. U. S. Geol. Expl. 40th Par., IV, Pt. I, 1877, p. 96, 

 pi. 12, figs. I3~i3b. 



21716. Aviculopecten occidentalis (Shumard). Plesiotype. 



Permian. Military crossing of the Big Wichita, Baylor 

 County, Texas. 

 White, Bull. No. 77, U. S. Geol. Surv., 1891, p. 29, pi. 4, fig. 1. 



24536. Aviculopecten occidentalis (Shumard). Plesiotypes. 



Upper Carboniferous. Fort Apache, Navajo County, Ari- 

 zona. 



White, Rept. U. S. Geogr. Surv. W. 100th Merid., IV, Pt. I, 

 1876, p. 146, pi. 12, figs. 8a, Sb. 



35299. Aviculopecten occidentalis Shumard. Plesiotype. 



Rico (Upper Carb. ). Silver Creek, Rico Quadrangle, 

 Colorado. 

 Girtv, Prof. Pap. 16, U. S. Geol. Surv., 1903, p. 414, pi. 8, fig. 1. 



152 1 S. Aviculopecten parvulus Hall and Whitfield. Cotypes. 



Either Permian or Triassic. Southeast of Salt Lake City, 

 Utah. 



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



1S77, p. 274, pi. 6. fig. 6. 



818S. Aviculopecten ? pealei White. Holotype. 



Triassic. Five miles west of John Gray's Lake, South- 

 eastern Idaho. 



White, Twelfth Ann. Rept. U. S. Geol. Surv. Terr., 1878 (1883), 

 Pt. I, p. 109, pi. 32, fig. 4a. 



14356. Aviculopecten peroccidens Walcott. Cot}*pe. 



Lower Carboniferous. Eureka District, Nevada. 



Walcott, Mon. VIII. U. S. Geol. Surv., 1884, p. 227, pi. 8, fig. 8. 



