WITH LIST OF SPECIMENS. 
11 
Elasacrinus elegans (Conrad) : B. F. Shumard, 1866: y. Nucleo- 
crimis elegans. 
Elaeacrinus ? globosus (Say): B. F. Shumard, 1866 : v. Pentre- 
mites ? globosus. 
Elaeacrinus kirkwoodensis, B. F. Shumard, 1863 : v. Crypto- 
blastus ? kirkwoodensis. 
Elaeacrinus lotoblastus (White): R. Etheridge fil. & P. H. Carpenter, 
1886 : y. Orbitremites ? lotoblastus. 
Elaeacrinus lucina (Hall): R. Etheridge fil. & P. H. Carpenter, 
1886 : y. Nucleocrinus lucina, J. Hall. 
Elaeacrinus lucina, var. canadensis (Montgomery): R. Etheridge 
fil. & P. H. Carpenter, 1886: v. Nucleocrinus elegans. 
Elaeacrinus melo (Owen & Shumard): B. F. Shumard, 1863: v. 
Cryptoblastus melo. 
Elaeacrinus meloniformis, W. H. Barris, 1883 : v. Nucleocrinus 
meloniformis. 
Elaeacrinus norwoodi (Owen & Shumard): B. F. Shumard, 1863 : 
y. Orbitremites norwoodi. 
Elaeacrinus obovatus, W. H. Barris, 1883: v. Nucleocrinus 
obovatus. 
Elaeacrinus verneuili (Gr. Troost) : C. F. Roemer, 1851: v. Nucleo¬ 
crinus verneuili. 
Elaeacrinus verneuili, var. pomrnm, R. Etheridge fil. & P. H. 
Carpenter, 1886: v. Nucleocrinus verneuili, var. pomrnm. 
Elaeacrinus sp., R. Etheridge fil. & P. H. Carpenter, 1886: v. Nucleo¬ 
crinus obovatus [E. 822]. 
ELEUTHEROCRINUS, B. F. Shumard & L. P. Yandell, 1856, 
Proc. Acad. Rat. Sci. Philadelphia, viii, p. 74. E'leutherocrinus, 
Shumard & Yandell: R. Etheridge fil. & P. H. Carpenter, 1886, Cat. 
Blastoidea Brit. Mus. p. 294. Type-species— E. cassedayi. 
Eleutherocrinus cassedayi, B. F. Shumard & L. P. Yandell, 1856, 
Proc. Acad. Rat. Sci. Philadelphia, viii, p. 74, pi. ii. Eleutherocrinus 
cassedayi , Shumard & Yandell: J. F. Whiteaves, 1887, Contrib. Canad. 
Palseont. i, p. 110, pi. xiv, fF. 5, ba-b. 
-. Devonian, Upper Hamilton Group. Beargrass Creek, Jefferson 
Co., Kentucky, U.S.A. [E. 8177.] T. A. Worthen Coll. A theca, 
partiy in matrix. 
