286 BULLETIN^ 53, UNITED STATES NATIONAL MUSEUM, 



38136. Gerarus vetus vScudder. Holotyi)e. 



Upper Coal Measures. Mazon Creek, Grundy Count w 

 Illinois. 



Scudder, Mem. Boston Soc. Nat. Hist., Ill, 1885, p. 344, pi. 31, 

 fig. 6; Foss. Insects N. America, I, 1890, p. 308, pi. 17, fig. 6. 



4195 1. Gerasaphes ulrichana Clarke. Holotype. 



Trenton (Ord. ). Covington, Kentucky. 



Clarke, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. 

 II, 1S94, p. 710, figs. 14-16. 



37966. Geratarbus lacoei Scudder. Holotype. 



Upper Coal Measures. Mazon Creek, Grundy County, 

 Illinois. 



Scudder, Mem. Boston Soc. Nat. Hist., IV, 1890, p. 448, pi. 40, 

 fig. 11; Foss. Insects N. America, 1890, p. 424, pi. 32, fig. 11. 



37965. Geratarbus scabrum vScudder. Holotype. 



Upper Coal Measures. Mazon Creek, Grundy Count}-, 

 Illinois. 



Scudder, Mem. Bo.ston Soc. Nat. Hist., IV, 1890, p. 448, pi. 30, 

 fig- 5; Foss. Insects N. America, 1890, p. 430, pi. 31, fig. 5. 



2169S. Gervillia longa Geinitz. Plcsiotype. 



Permian. Godwin Creek, Baylor County, Texas. 



White, Bull. No. 77, U. S. Geol. Surv., 1S91, p. 29, pi. 4, fig. 2. 



7795. Gervillia montanaensis Meek. Cotypes. 



Jtirassic. Near L^ower Canyon of Yellowstone River, 

 Montana. 



White, Twelfth Ann. Rept. U. S. Geol. Surv. Terr., Pt. I, 1883, 

 p. 145, pi. 37, figs. la, lb. 



8023. Gervillia mudgeana White. Cotypes. 



Mentor (Cret.). Saline County, Kansas. 



White, Proc. U. S. Nat. Mus., II, 1879, p. 295, pi. 5, figs. 3, 4; 

 Twelfth Ann. Rept. U. S. Geol. Surv. Terr., 1883, p. 16, pi. 

 14, figs. 3a, b. 



22867. Gervillia propleura (Meek). Ple.siotypes. 



Colorado (Cret.). Coalville, Utah and Huerfano Park, 

 Colorado. 



Stanton, Bull. No. 106, U. S. Geol. vSurv., 1893, p. 74, pi. 10, figs. 1-3. 



See Avicula (P.seudoptera) propletira, A. (P.) rhyto- 

 ])hora, and Pteria (P.seudopteria ) ]:)ropleura. 



7843. Gervillia recta Meek and Hayden. Holotype and paratypes. 

 .Fox Hills (Cret.j. Deer Creek, near North Platte, 

 Wyoming. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., for 1861, p. 441. — 

 Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 66, pi. 29, 

 figs. la, lb. 



