TYPE-SPECIMENS OF FOSSIL VERTEBRATES. 9 



4843. Ctenacanthus solidus Eastman. Paratype. 



Spine. Kinder hook (Mississippian). Quarry, Marshall 

 County, Iowa. 



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

 1902, p. 90, pi. 7, fig. 3. 



4845. Ctenacanthus spectabilis St. John and Worthen. Plesiotype. 

 Spine. Kinderhook (Mississippian). Quarry, Marshall 

 County, Iowa. 



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

 1902, p. 88, pi. 5, fig. 1. 



3385. Ctenacanthus venustus Eastman. Paratype. 



Spine. Kinderhook (Mississippian). Iowa? 



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

 1902, pp. 81-83, text fig. 10, pi. 3, fig. 2. 



3391. Ctenacanthus xiphias St. John and Worthen. Type. 



Spine. Keokuk (Mississippian). Keokuk, Iowa. 



Eastman, Amer. Journ. Sci. (4), III, 1897, p. n, fig. 1. 



4475. Ctenerpeton alveolatum Cope. Type. 



Skeleton on slab. Coal Measures. Cannelton, Pa. 



Cope, Proc. Amer. Philos. Soc, XXXVI, 1897, p. 83, pi. 3, fig. 1. 



2345. Dapedoglossus acutus (L,eidy). Plesiotype. 



Cope, Rept. U. S. Geol. Surv. Terr., Ill, 1884, p. 72. 



= Phareodus acutus. 

 See Phareodon sericeus. 



3987. Dapedoglossus acutus (Leidy). Plesiotypes. 



4091. (1) Right dentary bone containing teeth; (2) left dentary 



bone containing teeth. Bridger (Eocene). Hams 



Fork, Green River, Wyoming. 



Cope, Rept. U. S. Geol. Surv. Terr., Ill, 1884, p. 72, pi. 5, (1) figs. 

 18, 18a; (2) figs. 19, 19a. 



= Phareodus acutus. 



4003. Dapedoglossus aequipinnis Cope. Type. 



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

 Wyoming. 



Cope, Bull. U. S. Geol. and Geogr. Surv. Terr., IV, 1878, p. 77; 

 Rept. U. S. Geol. Surv. Terr., Ill, 1884, p. 73, pi. 7, fig. 2. 



= Phareodus aequipinnis. 



4014. Dapedoglossus testis Cope. Type. 



Skeleton on slab. Green River (Eocene). Twin Creek, 

 Wyoming. 



Cope, Bull. U. S. Geol. and Geogr. Surv. Terr., Ill, 1877, p. 807; 

 Rept. U. S. Geol. Surv. Terr., Ill, 1884, p. 71, pi. 7, fig. 1. 



= Phareodus testis. 



