TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 463 



17945. Orthis umbraculum vSclilotheim ? Plesiotype. 



Upper Carboniferous. Near mouth of Keg Creek, Iowa. 



Owen, Kept. (ieol. Siirv. Wis., Iowa, and INIinn., 1IS52, pi. 5, fig. 1 1. 



= Orthotetes robusta. 



15077. Orthis umbraculum von Bucli? Plesiotype. 



U]iper Carl)()niferous. Leavenworth, Kansas. 



Hall, Stan.sbury's Ivx])l. ami vSurv. Valley Great Salt L,ak.e, Utah, 

 1S52, p. 412, pi. 3, fig. 6. 



= Orthotetes cynibula. 



1010. Orthisina crassa Meek and Hayden. Cotypes. 



Upper Carboniferous. Leavenworth City, Kansas. 



Meek and Hayden, Proc. Acad. Nat. Sci. Phila., for 1858, p. 261. 



= Orthotetes crassus. 

 See Hemipronites crassus. 



15359. Orthisina festinata Billings. Plesiotype. 



Lower Cambrian. Two miles ea.st of Highgate Springs, 

 Vermont. 



Walcott, Bull. No. 30, U. 8. Geol. Surv., 1886, p. 120, pi. 7, figs. 

 7— yb; Tenth Ann. Kept. U. S. Geol. Surv., 1890, p. 613, pi. 

 72, figs. 7-7b. 



= Nisusia festinata. 



1 536 1. Orthisina ? transversa Walcott. Cotypes. 



Lower Cambrian. Parker's Quarry, Georgia, Vermont. 



Walcott, Bull. No. 30, U. S. Geol. Surv., 1886, p. 121, pi. 7, figs. 

 5, 5a; Tenth Ann. Rept. U. S. Geol. Surv., 1890, p. 613, pi. 

 72, figs. 9, 9a. 



= Nisusia festinata transversa. 



14986. Orthoceras aciculoides Clarke. Holotype. 



Naples (Dev.). Cashaqua Creek, Livingston Cotnity, New 

 York. 

 Clarke, Bull. No. 16, U. S. Geol. Surv., 1885, p. 51, pi. 2, fig. 11. 



14989. Orthoceras asmodeus Clarke. Holotype. 



Genesee (Dev.). Bristol, New York. 



Clarke, Bull. No. 16, V. S. Geol. Surv., 1885, p. 30, ]^\. 3, fig. 3. 



1 25 1 6. Orthoceras blakei Gabb ? Plesiotypes. 



Upper Triassic. Ridge above Cottonwood Canyon, West 

 Humlxjldt Range, Nevada. 



Meek, Rept. U. S. Geol. Expl. 40th Par., IV, Pt. 1, 1877, p. 104, 

 pi. 10, fig. II. 



17392. Orthoceras (Camaroceras) colon White. Holotype. 



Middle Ordovieian. Fish Spring, House Range, Utah. 



While, Prelim. Rept. U. S. Geogr. Surv. W. looth Merid., 1874, 

 p. ID (as O. colon); Rept. U. S. Geogr. Surv. W. looth 

 Merid., IV, Pt. I, 1877, p. 56, pi. 3, figs. 5a-5d. 



