1819.] NATURAL SCIENCES OF PHILADELPHIA. 309 



p. 390, pi. 25, fig. 14; Muller, Poteriocr. geometricns, Neue Echinod, d. 

 Eifl. Kalkes, p. 250, pi. 2, figs. 4-7, and pi. 4, figs. 1-3. Schultze, Mon. 

 Echinod, Eifl. Kalkes. p. 51, pi. 5, fig. 6 a to 1. Schultze recognizes the 

 following varieties: var., typus, pi, 5, fig. 6 a, b; var., reticularis, pi. 5, 

 fig. 6 f , i ; var., omata, fig. 6 1; var., oniata tuberculata, fig. 6 k ; var., 

 co>ice?itrica. Devonian. Eifel, Germany. 

 Syn. Poteriocrinus hemisphcericus, Muller. Monatsher. d. Berl Acad. d. 



Wissensch. 1856, p. 354. 

 Syn. Spharocr. stellalus, Schnur. Steininger's geognost. Beschr. d. Eifel. 

 p. 38. 



1878. Cyathocr. Gilesi Wachsmuth & Springer. Proc. Acad. Nat. Sci. Phil., p. 

 259. Fishbed, Upper Burl, liuiest. Subcarb. Burlington, Iowa. 



1878. Cyathocr. glaber Angelin. Iconogr. Crin. Suec, p. 23, pi. 23, figs. 12, 13. 

 Upper Silur. Gotland, Sweden. 



1839. Cyathocr. goniodactylus Phillips. Murch. Silur Syst., p. 671, pi. 17, fig. 1. 

 Upper Silur. Dudley, England. 



*1879. Cyathocr. Harrodi n. sp. (For description see note below.) 



1861. Cyathocr. incipiens Hall. Desc. New Pal. Crin., p. 5 ; Bost. Jour. Nat. 

 Hist. 1861, p. 296. Upper Burl, limest. Subcarb. Burlington, Iowa. 



1878. Cyathocr. incurvatus Angl. Iconogr. Crin. Suec, p. 23, pi. 24, fig. 1. 

 Upper Silur. Gotland. 



1850. Cyathocr. Iowensis Owen & Shumard. Journ. Acad. Nat. Sci. Phil. (2d 

 ser.) vol. ii. ; Geol. Surv. Wise. Iowa and Minn., p. 591, pi. 5 A, figs. 11 a, 

 b, c. Upper and Lower Burl, limest. Subcarb. Burlington, Iowa. 

 Syn. C. divaricatus Hall, 1858. Geol. Rep. Iowa, vol. i. pt ii. p. 554, pi. 9, 



fig. 5. (Young specimen.) 

 Syn. C. malvaceus Hall, 1S58. Geol. Rep. Iowa, vol. i. pt. ii. p. 554, pi. 9, 



fig. 4 a, b. (Depressed specimen.) 

 Syn. C. viminalu Hall, 1861. Desc. New Pal. Crin., p. 5 ; Bost. Jour. Nat. 

 Hist., p. 299. (See Wachsin. & Spr., Proc. Acad. Nat. 9ci. Phil. 1877, p. 

 256.) 



1863. Cyathocr. lamellosus White. Bost. Journ. Ndt Hist., p. 504. Upper Burl, 

 limest. Subcarb. Burlington, Iowa. 



1878. Cyathocr. lsevis Angelin. Iconogr. Crin. Suec, p. 23, pi. 26, figs. 2, 3. Up- 

 per Silur. Gotland, Sweden. 



1878. Cyathocr. longimanus Angelin. Iconogr. Crin. Suec, p. 22, pi. 20, figs. 4, 

 6, 7, pi. 26, figs. 4, 5. Upper Silur. Gotland, Sweden. 



1836 (?) Cyathocr. mammillaris Phillips. Geol. Yorksh., vol. ii. p. 206, pi. 3, fig. 

 28; Austin, 1843, Rec & Foss, Crin. p. 64, pi. 7, fig. 8 a, b; De Koninck 

 & Lehon, 1863, Recherches s. 1. Crin. Carb. Belg., p. 82, pi. 1, fig. 4. Sub- 

 carboniferous. Bolland, England, and Vise, Belgium. 



187S. Cyathocr. monilifer Angelin. Iconogr. Crin. Suec, p. 23, pi. 21, figs. 15, 

 15 a. Upper Silur. Gotland, Sweden. 



1859. Cyathocr. multibrachiatus Lyon & Cassiday. Am. Jour. Sci., vol. 28. Keo- 

 kuk limest. Subcarb. Crawfordsville, Indiana. 



1878. Cyathocr. muticus Angelin. Iconogr. Crin. Suec, p. 23, pi. 21, figs. 22, 23. 

 Upper Silur. Gotland, Sweden. 



1836. (?) Cyathocr. ornatus Phillips. Geol. Yorksh., pt. ii. p. 206, pi. 4, figs. 36, 

 37. Subcarboniferous. Bolland, England. 



