36 BULLETIN 5H, UNITED STATES NATIONAL MUSEUM. 



22913. Amauropsis bulbiformis (Sowerby). Plesiotypes. 



Colorado (Cret.). Huerfano Park, Colorado. 



Stanton, Bull. No. 106, U. S. Geol. Surv., 1893, p. 137, pi. 30, 

 figs. 2-4. 



268. Amauropsis paludinaeformis (Hall and Meek). Plesiotypes. 

 Fort Pierre (Cret.). Cheyenne River, South Dakota. 



Meek, Kept. U. S. Geol. Surv. Terr., IX, 1S76, p. 3i8.pl. 19, 

 figs. I5a-c. 



12302. Amauropsis paludinaeformis (Hall and Meek). Plesiotypes. 

 Fort Pierre (Cret.). Cheyenne River, near Box Elder 

 Creek, Black Hills, South Dakota. 



Whitfield, Rept. Geol. and Resources Black Hills, Dakota, 1880, 



p. 431, pi. 12, fig. 16. 



8068. Amauropsis? utahensis (White). Cotypes. 



Colorado (Cret.). Coalville, Utah. 



Stanton, Bull. No. 106, U. S. Geol. Surv., 1893, p. 138, pi. 30, fig.i. 

 See Lunatia utahensis and Euspira utahensis. 



23074. Amberleya dilleri Stanton. Cotypes. 



Knoxville (Lower Cret.). Three miles northwest of Pas- 

 •kenta, California. 



Stanton, Bull. No. 133, U. S. Geol. Surv., 1895 (Feb., 1896), p. 

 68, pi. 12, figs. 7-9. 



46083. Ambonychia affinis Ulrich. Cotype. 



Trenton (Ord.). Carroll Count}', Illinois. 



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

 1S94, p. 49 2 , pl- 35, figs. 5, 6. 



46085. Ambonychia amygdalina Hall. Plesiotype. 



Trenton (Ord. ). Thirteen miles south of Cannon Falls, 

 Minnesota. 



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

 ' 1S94, p. 493, pl. 35, figs. 8, 9. 



46084. Ambonychia bellistriata Hall. Plesiotype. 



Trenton (Ord.). Near Wykoff, Minnesota. 



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

 1894, p. 492, pl. 35, figs. I, 2. 



46086. Ambonychia planistriata Hall. Plesiotype. 



Stones River (Ord. I. Mineral Point, Wisconsin. 



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

 1S9-I, p. 491, pl. 35, figs. 3, 4. 



46910. Ambonychia superba Billings. Plastotype. 



Anticosti (Sil.\ Junction Cliff, Island of Anticosti. 

 Billings, Cat. Sil. Foss. Anticosti, 1S66, p. 49, fig. 16. 



