466 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



46290. Orthodesma subovale Ulrich. Holotype. 



L/Orraine (Ord.). Morrow, Ohio. 



Ulrich, Journ. Cincinnati Soc. Nat. Hist., II, 1879, p. S2, pi. 7, 

 fig. 18. 



= Psiloconcha subovalis. 



33919. Orthothetes chemungensis (Conrad). Plesiotype. 



33920. Ouray (Upper Dew). Five localities in central Colorado. 



339 2 4- Girty, Twentieth Ann. Rept. U. S. Geol. Surv., Pt. II, 1900, p. 40, 



33925. pi. 3, figs. 1-3; variety, pi. 3, figs. 4-6. 



= Schuchertella chemungensis. 

 See Streptorhynchus chemungensis. 



1422 1. Orthothetes inaequalis (Hall). Plesiotype. 



Madison (Miss.). Ogden Canyon, Utah. 



Girty, Mon. XXXII, Pt. II, U. S. Geol. Surv., 1S99, p. 522, pi. 68, 



fig- 3- 

 = Schuchertella inaequalis. 

 See Streptorhynchus inequalis. 



1422S. Orthothetes inflatus (White and Whitfield). Plesiotype. 



Waverly (Miss.). Dry Canyon, Utah. 



Girty, Mon. XXXII, Pt. II, U. S. Geol. Surv., 1899, pi. 6S, fig. 2. 



= Schuchertella inflatus. 

 See Streptorhynchus inflatus. 



35341. Orthotichia schuchertensis Girty. Holotype. 



Weber (Upper Carb.). Glenwood Springs, Colorado. 



Girty, Prof. Pap. No. 16, U. S. Geol. Surv., 1903, p. 345, pi. 1, 

 figs. i6-i6b. 



46277. Ortonella hainesi ( Miller). Plesiotypes. 



Richmond (Ord.). Richmond, Indiana. 



Ulrich, Geol. Surv. Ohio, VII, 1S93, p. 670, pi. 53, figs. 9-18. 



38160. Oryctoblattina laqueata Scudder. Holotype. 



Upper Coal Measures. Kansas City, Missouri. 



Scudder, Bull. No. 124, U. S. Geol. Surv-., 1895, p. 133, pi. 11, fig. 6. 



38103. Oryctoblattina occidua Scudder. Holotype. 



Upper Coal Measures. Mazon Creek, Grund)' County, 

 Illinois. 



Scudder, Mem. Boston Soc. Nat. Hist., IV, 1890, p. 414, pi. 32, 

 fig. 3; Foss. Insects N. America, I, 1890, p. 390, pi. 24, fig. 3. 



15427. Oryctocephalus primus Walcott. Cotypes. 



Lower Cambrian. Pioche, Nevada. 



Walcott, Bull. No. 30, U. S. Geol. Surv., 1886, p. 210, pi. 29, figs. 

 3, 3a; Tenth Ann. Rept. U. S. Geol. Surv., 1890, p. 653, pi. 

 95, figs. 4. 4a. 



