308 PROCEEDINGS OF THE ACADEMY OP [1879. 



1878. Cyathocrinus acinotubus Angelin. Iconogr. Crin. Suec, p. 23, pi. 20, fig. 5. 



Upper Silur. Gotland, Sweden. 

 1856. Cyathocr. angulatus, Billings. (Palaeocrinus angulatUB.) Geol. Surv. 



Can., p. 269; also Dec. iv. pi. 3, figs. 6 a, b. Trenton limest. Ottawa, 



Canada. 

 1878. Cyathocr. alutaceus Angelin. Iconogr. Crin. Suec, p. 23, pi. 4, fig. 6, and 



pi. 23, figs. 10, 11. Upper Silur. Gotland, Sweden. 

 1865. Cyathocr. arboreus, Meek & Worth. Proc. Acad. Nat. Sci. Phil., p. 160; 



also Geol. Rep. III., vol. iii. p. 520. Keokuk limest. Subcarb. Crawfords- 



ville, Indiana. 

 *1861. Cyathocr. Barrisi Hall. (Poteriocr. Barrisi.) Desc. New Pal. Crin., p. 5 ; 



also Bost. Jouj. Nat. Hist., p. 303. Lower Burlington limest. Subcarb. 



Burlington, Iowa. 

 1878. Cyathocr. barydactylus Wachsmuth & Springer. Proc. Acad. Nat. Sci. 



Phil., p. 257, pi. 2, fig. 5. Upper Burlington Fishbed. Subcarb. Burling- 

 ton, Iowa. 

 1836. Cyathocr. bursa Phillips Geol. Yorksh., vol. ii. p. 206, pi. 3, fig. 29 ; 1843, 



Austin, Mon. Rec. & Foss. Crin., p. 63, pi. 7, fig. 7 a. Subcarboniferous. 



Bolland, England. 

 1836. Cyathocr. calcaratus Phillips. Geol. Yorksh., p. 206, pi. 3, fig. 35; also 



Austin, 1843, Rec. & Foss. Crin., p. 63, pi. 8, fig. 2 a-c. Subcarbon. Eng- 

 land. 

 1839. Cyathocr. capillaris Phillips. Murch. Silur. Syst., p. 671, pi. 17, fig. 2. 



Upper Silur. Dudley, England. 

 1836. Cyathocr. conicus Phillips. Geol. Yorksh , vol. ii. pt. ii. p. 206, pi. 3, fig. 



27; also Austin, 1843, Rec. & Foss. Crin., p. 64, pi. 8, figs, la, b. Subcarb. 



Bolland, England. 

 1868. Cyathocr. cora Hall. 18th Rep. N. Y St. Cab. Nat. Hist., p. 324, pi. 11, figs. 



13, 14. Niag. group, U. Silur. Racine, Wisconsin. 

 1836. Cyathocr. -distortus Gilbert. Phillips' Geol. Yorksh., vol. ii. p. 206, pi. 3, 



fig. 34. Subcarb. Bolland, England. 

 1878. Cyathocr. distensus Angl. Iconogr. Crin. Suec, p. 23, pi. 3, figs. 6, 6 a. 



Upper Silur. Gotland, Sweden. 

 *1843. Cyathocr. Dudleyensis Austin. (Poteriocr. Dudleyensis.) Upper Silur. 



Dudley, England. 



1865. Cyathocr. enormis Meek & Worthen. (Poteriocr. (?) enormis.) Proc. 



Acad. Nat. Sci. Phil., p. 137; also Geol Rep. Ill , vol. iii. p. 481, pi. 16, 

 figs. 3 a, b. Lower Burl, limest. Subcarb. Burlington, Iowa. 



1866. Cyathocr. Farleyi Meek & Worthen. Proc. Acad. Nat. Sci. Phil., p. 252; 



Geol. Rep. 111., vol. iii. pp. 5, 17, pi. 20, figs. 1 a, b. Keokuk limest. Sub- 

 carb Warsaw, Illinois. 

 1876. Cyathocr. fasciatus Hall. 28th Rep. N. Y. St. Cab. Nat. Hist., pi. 13, figs. 



5, 6. (No description.) Niag. limest. U. Sil. Waldron, Indiana. 

 1868. Cyathocr. fragilis Meek & Worthen. Proc. Acad. Nat, Sci. Phil., p. 237 ; 



Geol. Rep. 111., vol. v, p. 401, pi. 4, fig 5. Lower Burl, limest. Subcarb. 



Burlington, Iowa. 

 1826. Cyathocr. geometricus Goldfuss. Petref Germ., i. p. 189, pi. 58, fig. 5 ; 



Phillips, Pal. Foss., p. 135, pi. 60, fig. 41; Austin, Rec. & Foss. Crin., p. 



61, pi. 7, figs. 5 a-e. F. Roemer. Spcerocrimts geometricus, Verh. d. nat. 



Vereins f. Rheinl., viii. p. 366, pi. 8, fig. 1; Sandberger, Verst. Nassaus, 



