378 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



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



paratj'pe. 

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

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

 fig- 3a-c. 



See Natica subcrassa. 



13322. Lutraria transmontana Conrad. Holotype. 



Miocene. Ranch Triunipho, L,os Angeles, California. 



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

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



184S. Lutraria? traskei Conrad. Holotype. 



Miocene. Carmello, California. 



Conrad, Rept. Expl. and vSurveys R. R. Mi.ss. Riv. to Pacific 

 Ocean, V, 1856, ]•>. 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 Hayden. Cotypes. 

 Upper Carboniferous. Region of Nemaha, Nebra.ska. 

 Meek and Hayden, Trans. Albany Inst., IV, 1858, p. 82. 

 = Sedgwickia? concava. 



818 1. Lyosoma powelli White. Cotypes. 



Jurassic. Thistle Creek, vSpani.sh Fork Canyon, Utah. 

 White, Twelfth Ann. Rept. U. S. Geol. vSurv. Terr., Pt. I, 18S3, 

 P- 153, Pl- 38. figs- 6a-d. 



86941. Lyria costata (Sowerby). Plesiotypes. 



1 1 1846. Upper Eocene. Red Bluff, Mi.s.sissippi. 



Dall, Trans. Wagner Free In.st. vSci. Phila., Ill, Pt. I, 1890, j). 85, 

 pi. 6, fig. 2. 



ii2iog. Lyria pulchella (Sowerby). Plesiotype. 



Oligocene. Balla.st Point, Tampa, Florida. 



Dull, Trans. Wagner PVee Inst. vSci. Phila., Ill, Pt. I, 1890, p. 84, 

 ])1. 4, fig. 3. 



46214. Lyrodesma acuminatum Ulrich. Cotypes. 



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



.south of Cannon P'alls, Minne.sota. 



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

 1894, ]). 609, pi. 42, figs. ], 2, 5. 



46216. Lyrodesma acuminatum intermedium Ulrich. 



46217. Cotypes. 

 Black River (Ord.). Six miles .south of Cannon P'alls, 



Minnesota. 

 Trenton (Ord.). Burgin, Kentucky. 



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

 1894, p. 609, pi. 42, figs. 3, 4; p. 611, fig. 45IU 



