TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 395 



8182. Meekoceras gracilitatis White. Cotypes. 



Triassic Five miles west of John Grays Lake, south- 

 eastern Idaho. 



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

 p. 115, pi. 31, figs. 2a-d. 



8186. Meekoceras mushbachianum White. Cotypes. 



Triassic. Five miles west of John Grays L,ake, south- 

 , eastern Idaho. 



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

 p. 114, pi. 32, figs. ia-d. 



43281. Meekopora? aperta Ulrich. Cotypes and figured sections. 



Keokuk (Miss.). Kings Mountain, Kentucky. 



Ulrich, Geol. Surv. 111., VIII, 1890, p. 4S5, pi. 76, figs. 1, la. 



43282. Meekopora clausa (Ulrich). Plesiotypes. 



43283. Chester (Miss.). Sloans Valley and Grayson County, 



Kentucky. 



Ulrich, Geol. Surv. 111., VIII, 1890, p. 485, pi. 76, fig. 6, pi. 77, 

 figs. 7-7a. 



See Fistulipora? clausa. 



43285. Meekopora eximia Ulrich. Cotypes and figured sections. 



Upper St. L,ouis or Chester (Miss.). Monroe County, 

 Illinois. 

 Ulrich, Geol. Surv. 111., VIII, 1890, p. 483, pi. 77, figs. 6c, 6d. 



45942. Meekospira subconica Ulrich and Scofield. Holotype. 



Richmond (Ord.). Near Spring Valley, Minnesota. 



Ulrich and Scofield, Geol. and Nat. Hist. Surv. Minn., Final 

 Rept. Ill, Pt. II, 1897, p. 1080, pi. 81, figs. 40, 41. 



8562. Megalaspis belemnurus White. Holotype. 



Upper Pogonip (Ord.). Queen Spring Hill, Schell Creek 

 Range, Nevada. 



White, Prelim. Rept. U. S. Geogr. Surv. W. 100th Merid., 1874, 

 p. 11; Rept. U. S. Geogr. Surv. W. 100th Merid., IV, Pt. I, 

 1877, P- 59, pl. 3, fig. 9. 



34123. Megambonia lata Hall. Plesiotype. 



Helderbergian (Uower Dev.). Atoka quadrangle, Indian 

 Territory. 



Girty, Nineteenth Ann. Rept. U. S. Geol. Surv., 1900, p. 569, 

 pl. 70, figs. 5a, 5b. 



13897. Megambonia occidualis Walcott. Cotype. 



Middle Devonian. L,one Mountain, near Kureka, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv-., 1884, p. 173, pl. 5, fig. 1. 



38145. Megathentomum pustulatum Scudder. Holotype. 



Upper Coal Measures. Mazon Creek, Grundy County, 

 Illinois. 



Scudder, Mem. Boston Soc. Nat. Hist., Ill, 1885, p. 346, pl. 32, 

 figs. 9, 10; Foss. Insects N. America, I, 1890, p. 310, pl. 18, 

 figs. 9, 10. 



