TYPE SPECIMENS OE LNVEKTEBRATE FOSSILS. 403 



1 15660. Metis trinitaria Dall. Holotype. 



Oligocene. Trinidad, West Indies. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. V, 1900, p. 

 1041, pi. 46, fig. 24. 



29409. Metoicoceras kanabense Hyatt. Holotype. 



Colorado (Cret.). Upper Kanab Valley, Utah. 



Hyatt, Mon. XLIV, U. S. Geol. Surv., 1903, pi. 15, figs. 9-11. 



29408. Metoicoceras whitei Hyatt. Paratype. 



Colorado (Cret.). Upper Kanab Valley, Utah. 



Hyatt, Mon. XLIV, U. S. Geol. Surv., 1903, pp. 122-127, P 1 - !3. 

 figs- 3-5- 



17358. Metoptoma ? analoga Walcott. Holotype. 



Upper Pogonip (Ord.). Pogonip Ridge, Eureka District, 

 Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 84, pi. 1, figs. 11, 

 11a. 



13961. Metoptoma devonica Walcott. Holotype. 



Middle Devonian. County Peak, Eureka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 195, pi. 17, figs. 

 2, 2a. 



=Scenella devonica. 



23844. Metoptoma ? minneiskensis Walcott. Holotype. 



Upper Cambrian. Minneiska, Minnesota. 



Walcott, Proc. U. S. Nat. Mus., XIII, 1890, p. 267, pi. 20, fig. 2. 



23843. Metoptoma ? peracuta Walcott. Holotype. 



Upper Cambrian. Spoffords Bluff, Wisconsin. 



Walcott, Proc. U. S. Nat. Mus. XIII, 1890, p. 267, pi. 20, fig. 1. 



14424. Metoptoma peroccidens Walcott. Cotypes. 



Lower Carboniferous. Richmond Mountain, Eureka Dis- 

 trict, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 260, pi. 18, fig. 16. 



= Lepetopsis peroccidens. 



17359. Metoptoma phillipsi Walcott. Cotypes. 



Upper Pogonip (Ord.). Pogonip Ridge, Eureka District, 

 Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 83, pi. 1, figs. 

 4, 4a. 



= Archinacella phillipsi. 



35204. Michelinia placenta White. Plesiotypes. 



35205. Madison (Miss.). Yellowstone National Park. 



Girty, Mon. XXXII, Pt. II, U. S. Geol. Surv., 1899, p. 510, pi. 

 67, figs. 3a, 3b. 



