TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 389 



7903. Margarita mudgeana (Meek). Holotype. 



Mentor (Cret. ). Twelve miles southwest of Salina, 

 Kansas. 

 Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 300, pi. 2, fig. 9b. 

 See Turbo mudgeanus. 



294. Margarita nebrascensis (Meek and Hayden). Holotype 



415. and paratypes. 



Montana (Cret.). Yellowstone River, near Miles City, 

 Montana, and Dong L,ake, North Dakota. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 298, pi. 19, figs. 

 8a, 8b, 9a, 9b. 



See Turbo nebrascensis. 



162539. Margarita optabilis knechti Arnold. Holotype. 



Pleistocene. San Pedro, California. 



Arnold, Mem. Calif. Acad. Sci., Ill, 1903, p. 332, pi. 5, fig. 14. 



162540. Margarita optabilis nodosa Arnold. Holotype. 



Pleistocene. San Pedro, California. 



Arnold, Mem. Calif. Acad. Sci., Ill, 1903, p. 332, pi. 5, fig. 13. 



162538. Margarita parcipicta pedroana Arnold. Holotype. 



Pleistocene. San Pedro, California. 



Arnold, Mem. Calif. Acad. Sci., Ill, 1903, p. 333, pi. 5, fig. 16. 



1 12573. Margarita tampaensis Dall. Holotype. 



Oligocene. Ballast Point, Tampa, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. II, 1892, 

 p. 406, pi. 18, fig. 5. 



7719. Margaritana nebrascensis Meek and Hayden. Holotype 



and paratype. 

 Dakota (Cret.). Opposite Sioux City, on Missouri River 

 in Nebraska. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 114, pi. 1, figs. 

 5a-c— White, Third Ann. Rept. U. S. Geol. Surv., 1883, p. 427, 

 pi. 4, figs. 1, 2. 



See Unio (Baphia?) nebrascensis. 



286. Margaritella flexistriata (Evans and Shumard). Plesiotypes. 

 Fort Pierre (Cret. ). Cheyenne River, near mouth of Sage 

 Creek, South Dakota. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 302, pi. 19, 

 figs. 11, na-d. 



164899. Margarites peninsularis Dall. Holot}*pe. 



Eocene. Chicagof Cove, Alaska. 



Dall, Harriman Alaska Fxped., IV, 1904, p. no, pi. 9, fig. 6. 



