] BULLETIN 53, UNITED STATES NATIONAL MUSEUM. 



3971. Clastes cycliferus Cope. Type. 



Portions of head plates and scales. Eocene. Washakie 

 Basin, Mammoth Buttes, Wyoming. 



Cope, Sixth Ann. Rept. U. S. Geol. Surv. Terr, for 1872, 1873, p. 



634; Rept. U. S. Geol. Surv. Terr., Ill, 1884, p. 54, pi. 2, figs. 



25-45- 

 = L-episosteus cycliferus. 



2584. Clastes integer Cope. Type. 



Cranial bones, vertebrae, and scales. Wasatch (Eocene). 

 Gallinas River, New Mexico. 



Cope, Rept. U. S. Geogr. Surv. W. 100th Merid., IV, Pt. II, 1877, 

 p. 41, pi. 24, figs. 1-16. 



= Eepisosteus integer. 



86. Clupea alta Leidy. Type and paratypes. 



Specimens on slab. Green River (Eocene). Green River, 

 Wyoming. 



Leidy, Rept. U. S. Geol. Surv. Terr., I, 1873, pp. 196, 347, pi. 17, 

 fig. 2. 



= Diplomystu's altus. 



87. Clupea humilis Leidy. Type. 



Specimen on slab. Green River (Eocene). Green River, 

 Wyoming. 



Leidy, Proc. Acad. Nat. Sic. Phila., 1856, p. 256; Rept. U. S. Geol. 

 Surv. Terr., I, 1873, PP- IQ 5- 347, pi- *7> fig- i- 



= Diplomystus humilis. 



2590. Corax pristodontus (Agassiz). See Galeocerdo pristodontus. 



4683. Ctenacanthus acutus Eastman. Type. 



Spine. Keokuk (Mississippian). Keokuk, Iowa. 

 Eastman, Amer. Journ. Sci. (4), III, 1897, p. 12, fig. 2. 



4846. Ctenacanthus decussatus Eastman. Type. 



Spine. Kinderhook (Mississippian). Quany, Marshall 

 County, Iowa. 

 Eastman, Bull. Mus. Comp. Zool., Harvard Coll., XXXIX. No. 3, 

 1902, p. 84, pi. 6, fig. 2. 



3393. Ctenacanthus longinodosus Eastman. Type. 



Spine. Kinderhook (Mississippian). Quarry, Marshall 

 County, Iowa. 

 Eastman, Bull. Mus. Comp. Zool., Harvard Coll., XXXIX, No. 3, 

 1902, p. 78, fig. 8, pi. 5, fig. 2. 



4844. Ctenacanthus lucasi Eastman. Type. 



Spine. Kinderhook (Mississippian). Quarry, Marshall 

 County, Iowa. 

 Eastman, Bull. Mus. Comp. Zool., Harvard Coll., XXXIX, No. 3, 

 1902, p. 80, pi. 6, fig. 1. 



3383. Ctenacanthus solidus Eastman. Type- 



Spine. Kinderhook (Mississippian). Quarry, Marshall 

 County, Iowa. 

 Eastman, Bull. Mus. Comp. Zool., Harvard Coll., XXXIX, No. 3, 

 1902, p. 90, text fig. 13. 



