OF ARTS AND SCIENCES. 297 



Pentatremitites jlorealis, Roemer, 1852, Monogr. Blast., p. 33, 

 Taf. 1, fig. 1 - 4 ; Taf. 2, fig. 8. P. Godoni, Hall, Iowa, Vol. 

 1, p. 692, PI. 25, fig. 13, a, b. Suhcarhoniferous. Kaskaskia 

 limestone ; Chester, Illinois ; Mt. Sano, Alabama, &c. 



P. Grosvenori, Shumard, Trans. Acad. St. Louis, Vol. 2, No. 2, 

 1858, p. 240, PI. 9, fig. 2, a - d. Suhcarhoniferous. Archi- 

 medes limestone. 



P. GRANULATUS, Rcemer, 1852, Monogr. Blast., p. 43, Taf. 3, fig. 

 13. Granatocriniis cidariformis^ Troost, 1849, List and 

 Proceed., p. 62. Suhcarhoniferous. Allen Co., Kentucky. 



P. (CoDASTER ?) Kentuckiensis, Shumard, Trans. Acad. Sci. St. 

 Louis, Vol. 2, No. 2, p. 239, PI. 9, fig. 5. Suhcarhoniferous. 

 Encrinital limestone. 



P. KoNiNCKiANA, Hall, Trans. Albany Inst., Vol. 4, 1856 ; Hall, 

 Iowa, Vol. 1, p. 656, PI. 22, fig. 11, a -c. Suhcarhoniferous. 

 Archimedes limestone. 



P. LANTERNiFORMis, Owcn and Shumard, 1850, Jour. Acad. Nat. 

 Sci. Philad., Vol. 2, p. 66, PI. 7, fig. 15. P. ohliquatus, 

 Roemer, 1852, Monogr. Blast, p. 47, Taf. 3, fig. 11, a, b ; 

 Owen and Shumard, Geol. Survey of Iowa, Wisconsin, and 

 Minnesota, p. 592, PI. 5 A, fig. 15. Suhcarhoniferous. 

 Archimedes limestone. 



P. LiNEATUS, Shumard, Trans. Acad. Nat. Sci. St. Louis, Vol. 2, 

 No. 2, p. 241, PI. 9, fig. 3, a, b. Suhcarhoniferous. Encri- 

 nital limestone. 



P. Melo, Owen and Shumard, 1850, Journ. Acad. Nat. Sci. Philad., 

 New Series, Vol. 2, p. 65, PI. 7, fig. 14, a-c. Suhcarhon- 

 iferous. Encrinital limestone. 



P. NoRWOODi, Owen and Shumard, 1. c. p. 64, PL 7, fig. 13, a-c. 

 Suhcarhoniferous. Encrinital limestone. 



P. OVALIS, Say, Sill. Journ. 1st Series, Vol. 2, p. 36 (non Roemer). 

 Silurian. Lockport, New York. 



P. OBESUS, Lyon, 1857, Geol. Survey of Kentucky, Vol. 3, p. 469, 

 PI. 2, fig. 1, a-d; Hall, Iowa, Vol. 1, p. 695, PI. 25, fig. 

 15. Suhcarhoniferous. Iowa, Illinois, and Kentucky. 



P. PTRiFORMis, Say, 1822, Journ. Acad. Nat, Sci. Philad., Vol. 4, p. 

 294 ; Troost, Trans. Geol. Soc. Penn., Vol. 1, p. 288, PI. 

 10 ; Sowerby, Zool. Journ., Vol. 2, p. 315 ; Roemer, Monogr. 

 VOL. IV. 38' 



