TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 31 



24586. Agnostus seclusus Walcott. Cotype. 



Upper Cambrian. Secret Canyon, Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 25, pi. 9, fig. 14. 



24558. Agnostus tumidosus Hall and Whitfield. Holotype. 



Upper Cambrian. Eureka, Nevada. 



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

 1S77, p. 231, pi. 1, fig. 32. 



35223. Agnostus tumidosus Hall and Whitfield. Plesiotypes. 



Flathead (Mid. Cambrian). Gallatin Range, Yellowstone 

 National Park. 



Walcott, Mon. XXXII, U. S. Geol. Surv., Pt. II, 1899, P- 455> 

 pi. 63, figs. 5, 5a. 



24559. Agraulos ? globosus Walcott. Cotype. 



Upper Cambrian. Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 61, pi. 9, fig. 23. 



1 180. Agraulos oweni (Meek and Hayden). Cotypes. 



Upper Cambrian. Near head of Powder River, Big Horn 

 Mountains, Wyoming. 



Meek and Hayden, Pal. Upper Mo., Smithsonian Cont. toKnowl., 

 No. 172, XIV, 1864, p. 9, text figs. a-c. 



= Ptychoparia oweni. 



See Arionellus (Crepicephalus) oweni. 



23839. Agraulos redpathi Walcott. Plastotype. 



Lower Cambrian. St. Simon, Quebec, Canada. 



Walcott, Tenth Ann. Rept. U. S. Geol. Surv., 1890, p. 654, fig. 

 69b on p. 655. 



23863. Agraulos saratogensis Walcott. Cotypes. 



Upper Cambrian. Four miles west of Saratoga Springs, 

 New York. 

 Walcott, Proc. U. S. Nat. Mus., XIII, 1890, p. 276, pi. 21, fig. 14. 



18334. Agraulos strenuus Billings. Plesiotype. 



Lower Cambrian. Conception Bay, Newfoundland. 



Walcott, Tenth Ann. Rept. U. S. Geol. Surv., 1890, p. 653, pi- 97> 

 figs. i-ic. 



18335. Agraulos strenuus nasutus Walcott. Cotype. 



Lower Cambrian. Conception Bay, Newfoundland. 



Walcott, Tenth Ann. Rept. U. S. Geol. Surv., 1890, p. 654, pi. 97, 



figS. 2-2C 



23864. Agraulos? thea Walcott. Holotype. 



Upper Cambrian. Osceola Mills, Wisconsin. 



Walcott, Proc. U. S. Nat. Mus., XIII, 1890, p. 277, pi. 21, fig. 15. 



20134. Aguileria cumminsi White. Cotypes. 



Woodbine ( Cret . ) . Four miles south of Lewisville , Denton 

 County, Texas. 



White, Proc. Acad. Nat. Sci. Phila., for 1887, p. 37, pi. 2, figs. 

 i-3- 



