TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 257 



107379. Eunaticina caractacus Dall. Holotype. 



Oligocene. Oak Grove, Florida. 



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

 42, fig. 6. 



45810. Euomphalopterus alatus obsoletus Ulrich. Holotype. 



Niagara (Sil.). Near Waldron, Indiana. 



Ulrich, Geol. and Nat. Hist. vSurv. Minn., Final Re])t., Ill, Pt. 

 II, 1897, p. 934, figs. 5g-5i. 



13933. Euomphalus eurekensis Walcott. Cotj'pes. 



Middle Devonian. Eureka District, Nevada. 



Walcott, Mon. VIII, U. vS. Geol. Surv., 1884, p. 185, pi. 16, figs. 

 2, 2a. 



14218. Euomphalus laxus White. Plesiotype. 



Waverly ( Mis.s. ). Dry Canyon, Oquirrh Mountain.s, Utah. 



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

 II, 1877, p. 260, pi. 4, figs. 24, 25. 



= Euomphalus hixus. 



13936. Euomphalus ( Phanerotinus) laxus (Hall). Plesiotype. 



Upper Devonian. The Gate, near Eureka, Nevada. 



Walcott, Mon. Vlll, U. vS. Geol. Siirv.. 1884, p. 186, pi. 6, fig. 3. 

 = Eccylioin])liahis laxus. 



8531. Euomphalus luxus White. Cotypes.' 



Lower Carboniferous. Below Orphir City, Utah. 



White, Rept. U. S. Geogr. Surv. W. looth Merid., IV, Pt. I, 1876, 

 p. 94, pi. 5, figs. 13a, 13b. 



See Euomphalus laxus. 



9825. Euomphalus michleranus Hall. Holotype. 



Middle Ordovician. Locality not given. Prol)al)ly from 

 near El Paso, Texas. 



Hall, Rept. U. S. Mexican Bound. vSurv., Emory, I, Pt. II, 1857, 

 pi. 20, fig. 4 (see p. 103). 



= Maclurea michleranus. 



142 19. Euomphalus (StraparoUus) ophirensis Hall and Whitfield. 



Cotypes. 

 Waverly (Miss.). Dry Canyon, Oquirrh Mountains, Utah. 



Hall and Whitfield, Rept. U. vS. Geol. p:xpl. 40th Par., IV, Pt. II, 

 1S77, p. 261, pi. 4, fig. 26. 



8490. Euomphalus pernodosus (Meek and Worthen). Plesiotype. 

 Upper Carboniferous. Mesa, Carrizo River, Arizona. 



White, U. S. Geogr. vSurv. W. luoth Merid., IV, Pt. I, 1877, p. 158, 

 pi. 12, fig. 2b. 



23232—05 17 



