CRIMOIDEA. (IY, F.) 
Echin. Ill 
Ind. (p. 416, pi. xxxiii); D. montgomeryensis (olim Batocr.) Worthen, 
redescr., inch Batocr. gurleyi Rowley & Hare non Miller, and B. sweeti 
Rowley and Hare (p. 428, pis xxxiii, xlvi); var. nov. unibrachiatus, 
Upper Keokuk, Keokuk, la. (p. 429, pi. xxxiii); D. originarius (olim 
Eretmocrinus) W. & Sp., redescr., incl. Eretmocr. varsoviensis (p. 421, 
pi. xxxiii) ; var. adultus (olim Eretmocr. adultus) W. & Sp., redescr., 
incl. Batocr. mediocris and B. boonvillensis S. A. Miller (p. 422, pi. 
xxxv) ; D. rotundus (olim Actinocr. et Batocr.) Yand. & Shum., redescr., 
incl. Actinocr. oblatus Hall (p. 431, pi. xxix); D. whitei (olim Bato- 
crinus) W. & Sp., redescr., incl. Batocr. spergenensis S. A. Miller 
(p. 419, pi. xxxiii); D. whitei , var nov. didactylus , Upper Keokuk, 
Hamilton, 111. (p. 420, pi. xxxv); D. unioncnsis (olim Batocr.) Worthen, 
rodoscr., incl. B. jpulchelhts S. A. Miller, B. davisi Rowley & Hare, 
and possibly Achnocrinus caroli Hall (p. 424, pi. xxxv); var. divalis 
(olim Batocr. divalis S. A. Miller), redescr. (p. 425, pi. xxxv) ; Wachs- 
muth & Springer (336). 
D. cantonensis, Keokuk group, Canton and Ed wards villo, Ind. ; Wachsmuth 
& Springer (336) p. 423, pi. xxxiii. — D. mutabilis, Keokuk group, 
Indian Creek, Montgomery Co. ; op. cit. p. 429, pi. xxxv : arm-branch- 
ing discussed, p. 414 : n. spp. 
t Ddlatocrinites, sub-fam., defined ; Wachsmuth & Springer (336) pp. 264, 
304. 
t Dolatocrinus, rodiagnosod, has slit-like pores (p. 310), arm-branching 
(p. 77), pores (p. 122) ; Wachsmuth & Springer (336).-— D. canadensis , 
redescr., perhaps — Cacabocrinus troosti Hall (p. 315, pi. xxv) ; D. glyptus , 
redescr., incl. var. intermedins Hall, and D. ornatus Meek (p. 317, pi. 
xxvi); D. lacus , redescr. (p. 311, pi. xxvi); D. liratus , redescr., incl. 
var. mnltilira Hall (p. 319, pi. xxvi); D. marshi, redescr. (p. 312, pi. 
xxvi); var. nov. kamilto?iensis, Hamilton group, Bear Grass quarries, 
Louisville, Ky. (p. 314, pi. xxv); D. speciosus , redescr. (p. 323, pi. xxv); 
D. triadactylus , redescr. (p. 316, pi. xxvi); Wachsmuth&Springer(336). 
D. aplatus , Hamilton Group, Charlestown, Ind. ; Miller & Gurley (232) 
Bull. Illinois Mus. viii, p. 48, pi. iii: tegmen figd; Miller & 
Gurley (233) Bull. Illinois Mus. ix, p. 49, pi. iii. — D. argutus , ibid . ; 
Miller & Gurley (232) Bull. Illinois Mus. viii, p. 41, pi. iii. — D. 
arrosus, ibid . ; Miller & Gurley (233) Bull. Illinois Mus. ix, p. 52, 
pi. iii. — D. asper , ibid . ; op. cit. p. 47, pi. iii. — D. aspratilis , ibid . ; op. 
cit. p. 49, pi. iii. — D. basilicus, ibid. ; op. cit. p. 43, pi. iii. — D. bella- 
rugosus , ibid. ; Miller & Gurley (232) Bull. Illinois Mus. viii, p. 43, 
pi. iii. — D. ccelatus, ibid . ; op. cit. p. 46, pi. iii. — D. charlestownensis , 
ibid . ; op. cit. p. 44, pi. iii. — D. cistida , ibid . ; Miller & Gurley (233) 
Bull. Illinois Mus. ix, p. 46, pi. iii. — D. dispar , ibid . ; op. cit. p. 40, 
pi. ii. — D. dissimilaris , ibid . ; op. cit. p. 54, pi. iii. — D. excavatus , 
Upper Holdcrborg, Clark Co., Ind.; Wachsmuth & Springer (336) 
p. 321, pis. xxv & xxvi. — D. icosidactylus , Hamilton group, Louisville, 
Ky. ; op. cit. p. 319, pi. xxvi. — D. indianensis, Hamilton group, 
Charlestown, Ind. ; Miller & Gurley (232) Bull. Illinois Mus. viii, 
p. 40, pi. iii. — D. laguncula, ibid . ; Miller & Gurley (233) Bull. 
Illinois Mus. ix, p. 51, pi. iii. — D. lyoni , ibid. ; op. cit. p. 44, pi. iii. — 
D. lyoni , Upper Helderberg group, Clark Co., Ind. ; Wachsmuth & 
Springer (336) p. 314, pi. xxv [nom. preocc.]. — D. major , Upper 
Holdcrborg, Falls of the Ohio; op. cit. p. 322, pi. xxv. — D. neglect us, 
Hamilton group, near Charlestown, Ind. ; Miller & Gurley (235) 
Bull. Illinois Mus. xii, p. 37, pi. ii. — D. peculiaris , Hamilton group, 
Charlestown, Ind. ; Miller & Gurley (233) Bull. Illinois Mus. ix, 
p. 55, pi. iii. — D. preciosus, ibid . ; op. cit. p. 41, pi. ii. — D. tuberculatus , 
Hamilton group, Clark Co., Ind.; Wachsmuth & Springer (336) 
p. 324, pi. xxv. 
