1066 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Pterygometopus carleyl (Meek). 



Dalmanites Carleyi Meek, Amer. Jour. Sci., 3d ser., 3, 1872, p. 424; Geol. Surv. 



Ohio, Pal., 1, 1873, p. 170, pi. 14, figs. 2a-d. Miller, Cincinnati Quart. Jour. 



Sci., 1, 1874, p. 142. 

 Maysville (Fairmount): Cincinnati, Ohio, and vicinity. 



Pterygometopus carleyl rogersensls (Foerste). 



Dalmanites carleyi-rogersensis Foerste, Bull. Sci. Lab. Denison Univ., 16, 1910, 

 p. 85. 



Trenton (Cynthiana): Bridge 54, west of Million Tunnel, Madison County, Ken- 

 tucky. 



Pterygometopus eboraceus Clarke. 



Pterygometopus eboraceus Clarke, Geol. Minnesota, 3, pt. 2, 1894, p. 728, figs. 

 48, 49. Ruedemann, Bull. New York State Mus., 49, 1902, p. 69, pi. 4, fig. 

 15. Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 324, fig. 1639e. 

 Dalmanites eboraceus Miller, N. A. Geol. Pal., 2d App., 1897, p. 787 (gen. ref.). 

 Trenton: Rawlins Mills, New York. 



Pterygometopus fredrlckl Slocom. 



Pterygometopus fredricki Slocom, Field Mus. Nat. Hist., Geol. Ser., 4, 1913, p*. 



79, pi. 18, figs. 1-5. 



Richmond (Maquoketa): Bloomfield, Iowa; Clermont and Postville Junction, 

 Iowa. 



Pterygometopus goodridgli (Schuchert). 



Dalmanites (Pterygometopus) goodridgii Schuchert, Proc. U. S. Nat. Mus., 22, 



1900, p. 174, pi. 12, figs. 5, 6. 

 Mohawkian: Head of Frobisher Bay, Baffin Land. 

 Cotypes.-V&t. No. 28170, U.S.N.M. 



Pterygometopus Intermedlus (Walcott). 



Dalmanites intermedius Walcott, 31st Rep. New York State Mus. Nat. Hist., 

 1880 (adv. sheets, 1877), p. 69. 



Pterygometopus intermedius Clarke, Geol. Minnesota, 3, pt. 2, 1894, p. 727, figs. 

 45-47; p. 732. Weller, Geol. Surv. New Jersey, Pal., 3, 1903, p. 208, pi. 15, 

 fig. 33. Branson, Trans. Acad. Sci. St. Louis, 18, 1909, p. 47, pi. 7, fig. 20. 

 Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 324, fig. 1639a, b. 



Black River: Dunleith, Illinois; Clifton and Platteville, Wisconsin (Platteville); 

 Lincoln County, Missouri (Auburn) ; Minnesota; New Jersey. 



Pleswtype. Cat. No. 41955, U.S.N.M. 



Pterygometopus larrabeel Slocom. 



Pterygometopus larrabeei Slocom, Field Mus. Nat. Hist., Geol. Ser., 4, 1913, p. 81, 



pi. 18, figs. 6-8. 

 Richmond (Maquoketa): Clermont, Elgin, and Bloomfield, Iowa. 



Pterygometopus llncolnensls Branson. 



Pterygometopua lincolnensis Branson, Trans. Acad. Sci. St. Louis, 18, 1909, 



p. 46, pi. 7, figs. 17-19. 

 Black River (Auburn Decorah): Lincoln County, Missouri. 



Pterygometopus meta (Hall). 



Dalmania meta Hall, Rep. Geol. Surv. Wisconsin, 1862, p. 433. 

 Trenton (?Black River): Wisconsin. 



