242 BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



41954. Encrinurus vannulus Clarke. Cotype. 



Stones River (Ord. ). Dixon, Illinois. 



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

 1894, p. 740, fig. 47. 



17401. Endoceras proteiforme Hall? Plesiotype. 



Upper Pogonip (Ord.). Enreka District, Nevada. 



Walcott, Mon. VIII, U. S. Geol. Surv., 1884, p. 86, pi. 12, figs. 1, 

 ia, ic. 



12323. Endocostea sulcata (Roemer). Plesiotype. 



Fort Pierre (Cret.). East Fork of Beaver Creek, Black 

 Hills, South Dakota. 



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

 p. 404, pi. 10, fig. 6. 



12261. Endocostea typica Whitfield. Cotypes. 



Fort Pierre (Cret.). Old Woman Fork, Cheyenne River, 

 Black Hills, South Dakota. 



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

 p. 403, pi. 9, figs. 1-6. 



46194. Endodesma compressum Ulrich. Holotype. 



Trenton (Ord.). Near Wykoff, Minnesota. 



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

 1894, p. 529. P 1 - 36, figs. 35-37- 



46195. Endodesma cuneatum Ulrich. Holotype. 



Trenton (Ord.). Near Wykoff, Minnesota. 



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

 1894, p. 526, pi. 36, figs. 33, 34. 



46196. Endodesma gesneri (Billings). Plesiotype. 



Trenton (Ord.). Ottawa, Canada. 



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

 1894, p. 52S, pi. 37, figs. 3, 4. 



401 97. Endodesma orthonotum ( Meek and Worthen). Plastotype. 

 Stones River (Ord.). Dunleith, Illinois. 



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

 1S94, p. 527, pi. 37, figs. 1, 2. 



See Modiolopsis orthonota. 



23871. Endolobus gibbosus Hyatt. Cotypes. 



Upper Carboniferous. Colorado River, near Bend, San 

 Saba County, Texas. 



Hyatt, Second Ann. Rept. Geol. Surv. Texas, 1S91, p. 353, text 

 figs. 55. 56. 



= Stearoceras gibbosum. 



158460. Endopachys lonsdalei Yaughan. Holotype. 



Claibornian (Eocene.'. Newton, Mississippi. 



Vaughan, Mon. XXXIX, U. S. Geol. Surv., 1900, p. 189, pi. 22, 

 figs. 10, 10a. 



