378 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



265. Lunatia subcrassa (Meek and Hayden). Holotype and 



paratype. 

 Fox Hills (Cret.). Mouth of Judith River, Montana. 



Meek, Rept. U. S. Geol. Surv. Terr., IX, 1876, p. 316, pi. 39, 

 fig. 3a-c. 



See Natica subcrassa. 



13322. Lutraria transmontana Conrad. Holotype. 



Miocene. Ranch Triumpho, Los Angeles, California. 



Conrad, Rept. Expl. and Surveys R. R. Miss. Riv. to Pacific 

 Ocean, VII, 1857, p. 194, pi. 5, fig. 6. 



1848. Lutraria? traskei Conrad. Holotype. 



Miocene. Carmello, California. 



Conrad, Rept. Expl. and Surveys R. R. Miss. Riv. to Pacific 

 Ocean, V, 1856, p. 324, pi. 3, fig. 23. 



163603. Lyonsia acuta Dall. Holotype. 



Pliocene. Shell Creek, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. VI, 1903, 

 p. 1514, pi. 57, fig. 24. 



1023. Lyonsia ( Penopaea ) concava Meek and Haj^den. Cotypes. 

 Upper Carboniferous. Region of Nemaha, Nebraska. 

 Meek and Hayden, Trans. Albany Inst., IV, 185S, p. 82. 

 = Sedgwickia? concava. 



818 1. Lyosoma powelli White. Cot} T pes. 



Jurassic. Thistle Creek, Spanish Fork Canyon, Utah. 



White, Twelfth Ann. Rept. U. S. Geol. Surv. Terr., Pt. I, 1883, 

 P- 153, PL 3 S > fi g s - 6a - d - 



86941. Lyria costata (Sowerby). Plesiotypes. 



1 1 1846. Upper Eocene. Red Bluff, Mississippi. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. I, 1890, p. 85, 

 pi. 6, fig. 2. 



1 12 109. Lyria pulchella (Sowerby). Plesiotype. 



Oligocene. Ballast Point, Tampa, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. I, 1890, p. 84, 

 pi. 4, fig. 3. 



46214. Lyrodesma acuminatum Ulrich. Cotypes. 



46215. Black River (Ord.). Thirteen miles south and six miles 



south of Cannon Falls, Minnesota. 



Ulrich. Geol. and Nat. Hist. Surv. Minn., Final Rept., HI, Pt. II, 

 1894, p. 609, pi. 42, figs. 1, 2, 5. 



46216. Lyrodesma acuminatum intermedium Ulrich. 



46217. Cotypes. 

 Black River (Ord.). Six miles south of Cannon Falls, 



Minnesota. 

 Trenton (Ord.). Burgin, Kentucky. 



Ulrich, Geol. and Nat. Hist. Surv. Minn., Final Rept., Ill, Pt. II, 

 1S94, p. 609, pi. 42, figs. 3, 4; p. 611, fig. 45h. 



