278 



ECHINODERMA TA. 



[sac. 



nodulosus, Hall, 1862, 15th Rep. N. Y. 



Mus. Nat. Hist., p. 126, Ham. Gr. 

 pyriformis, see Archaeocrinus pyriformis. 

 rectus, Hall, 1867, 20th Rep. N. Y. Mus. 



Nat. Hist., p. 368, Niagara Gr. 

 spinosus, Hall, 1862, 15th Rep. N. Y. 



Mus. Nat. Hist., p. 127, Ham. Gr. 

 varsoviensis, Hall, 1860, Supp. to Geo. 



Sur. Iowa, p. 80, Warsaw Gr. 

 vesperalis, White, 1880, Proc. U. S. Nat. 



wortheni, Hall, 1858, Geo. Sur. Iowa, p. 

 556, Burlington Gr. 

 Saccocrinus, Hall, 1852, Pal. N. Y., vol. 2, p. 

 205. [Ety. xakkos, -bag; krinon, lily.] 

 Calyx large, urn-shaped ; hasals 3; pri- 

 mary radials 3x5; secondary radials 1 

 to 4x10; tertiary radials, in some spe- 

 cies; regular interradials 10 to 17 ; vault 

 depressed, opening subcentral ; arms 10 

 to 30 ; column round. Type S. speciosus. 



V\c. 420.— Haccocrlnus amplux. Diagram. 



Mus., vol. 2, p. 259, and Cont. to. Pal. 

 No. 6, p. 129, Up. Coal Meas. 

 wachsmuthi, Hall, 1861, Desc. New Crin., 

 p. 18, Burlington Gr. 



watersianus.wachsmuth 

 & Springer, (in press,) 

 Geo. Sur. HI., vol. 8, 

 p. 184, Kinderhook, ; 

 Gr. 

 whitii, Hall, 1861, Desc. 

 New Crin., p. 9, and | 

 Jour. Bost. Soc. Nat. 

 Hist, vol. 7, p. 324, 

 Burlington Gr. 

 whitii var. burling- ! 

 tonensis, Hall, 1861, i 

 Desc. New Crin., p. 9, and Jour. Bost. Soc. 

 Nat. Hist., vol. 7, p. 325, Burlington ( rr. 



Fig. 421— Rhodocri- 

 nus watersianus. 



am |»liis. Meek & Worthen, 1861, (Actino- 



criiuis amplus,) Proc. Acad. Nat. Sci. 



Phil., p. 133, and Geo. Sur. 111., vol. 3, 



p. 470, Burlington Gr. 

 christy i, Hall, 1863, 



(Actinocrinus, chris- 



tyi,) Trans.Alb.Inst., 



vol. 4, p. 196, and 



28th Rep. N. Y. Mus. 



Nat. Hist., p, 127, 



Niagara Gr. 

 egani, S. A. Miller, 



1881, Jour. Cin. Soc. Fig. 422. - Baccocri- 



Nat. Hist., vol. 4, p. nu8 c hrl8 ty»- 



173, Niagara (Jr. 

 infelix, Winchell & Marcy, 1865, (Megis- 



tocrinus infelix,) Mem. Bost. Soc. Nat. 



Hist, p. 110, Niagara Gr. 



