104 Echin . 
XIV. ECHINODERMA. 
fBarycrinus , stem (pp. 40, 45 & 46), armlets (p. 82) ; Wachsmuth & Springer 
(336). 
B. elrodi , St Louis Group, Spergen Hill, Ind. ; Miller & Gurley (232) 
Bull. Illinois Mas. viii, p. 38, pi. ii. — B. neglectus , Keokuk Group, 
Crawfords vi lie, Ind. ; Miller & Gurley (233) Bull. Illinois Mus. ix, 
p. 28, pi. ii. — B. sampsoni , Burlington Group, Sedalia, Mo.; Miller & 
Gurley (234) Bull. Illinois Mus. x, p. 81, pi. iv : n. spp. 
Bathycrinus , stem (p. 40), base (p. 63); Wachsmuth & Springer (336). 
iBatocrinidce , defined, analysis and distribution of genera, divided into 
Batocrinites and Periechocrinites (p. 361), arms (p. 86), anals (p. 130); 
Wachsmuth & Springer (336). 
t Batocrinites, defined; Wachsmuth & Springer (336) pp. 361, 366. 
Batocrinus , rediagnosed and discussed (pp. 364, 366), arm-branching (p. 77), 
tegmen (p. 109), pores (p. 122); Wachsmuth & Springer (336): 
N. Amer. spp. discussed, family Batocrinidce not admitted ; Miller & 
Gurley (233) Bull. Illinois Mus. ix, p. 21. — B. cequalis , redescr., incl. 
B. doris , Hall; Wachsmuth & Springer (336) p. 371, pi. xxviii.— 
B. argutus , variation from type; Miller & Gurley (234) Bull. 
Illinois Mus. x, p. 66.— B. boonvillensis S. A. Miller = Dizygocr. 
originarius, var. adultus (p. 423); B. bulbosus Rowley & Hare = Lobocr. 
inflatus (p. 444) ; B. calving redescr., approaches Dizygocr. (p. 373, 
pi. xlvi) ; B. cantonensis , redescr. (p. 383, pi. xxvii) ; B. cassedayanus 
M. & W. = Lobocr. longirostris (p. 442); B. clypeatus , redescr., incl. 
B. inornatus and B. papillatus Hall, and B. comparilis S. A. Miller 
(p. 380, pi. xxvii); B. aavisi Rowley & Hare = Dizygocr. unionensis 
(p. 424) ; B. grandis , cirri (p. 443), redescr., incl. Actinocr. wachsmuthi 
White (p. 381, pi. xxvii) ; Wachsmuth & Springer (336). — B. gurleyi 
S. A. Miller, see Dizygocr.-. Rowley & Hare, see D. montgomeryensis. 
— B. irregularis , redescr. (p. 369, pi. xxvii); B. icosidactylus, redescr. 
(p. 368, pi. xxvii); B. laura , abnormal formation of anal tube (p. 135, 
pi. iv), with var. sinuosus , redescr., incl. B. scyphus Miller & Gurley 
(p. 384, pi. xxix); B. lepidus , redescr. (p. 372, pi. xxviii); B. longi- 
rostris , abnormal formation of anal tube (p. 135); B. lyonanus Miller & 
Gurley, syn. of Dizygocr. biturbinatus (p. 427); B. macbridei , redescr. 
(p. 376, pi. xxx) ; Wachsmuth & Springer (336). — B. marinus Miller 
& Gurley, vide Lobocr. spiniferus. — B. mediocris S. A. Miller, syn. of 
Dizygocr. originarius , var. adultus (p. 423); B. mundulus, redescr., 
incl. B. similis Hall (p. 382, pi. xxx); B. pistillus , redescr. (p. 378, 
pi. xxxi); B. poculum , redescr. (p. 378, pi. xxx); B. pulchellus S. A. 
Miller, syn. of Dizygocr. unionensis (p. 424); B. quasillus , redescr. 
(p. 372, pi. xxviii) ; B. rotadentatus , redescr., transition to Lobocr. and 
Eretmocr. (p. 374, pi. xlvi); B. spergenensis S. A. Miller, syn. of 
Dizygocr. whitei (p. 419); B. subcequalis , tube bursting forth above 
basals (p. 136), redescr., incl. B. discoideus Hall and B. formosus 
M. & W. (p. 369, pi. xxviii) ; B. subconicus Worthen, syn. of Dizygocr. 
euconus (p. 430); B. turbinatus with var. elegans, redescr., incl. B. 
. Icetus Miller & Gurley (p. 375, pi. xxvii); B. venustus S. A. Miller, 
syn. of Dizygocr. euconus var. abscissus (p. 431); Wachsmuth & 
Springer (336). 
B, adamsensis, Burlington Group, Adams Co., 111. ; Miller & Gurley 
( 232) Bull. Illinois Mus. viii, p. 14, pi. i. — B. ajfinis , Burlington Group, 
Sagetown, 111. ; Miller & Gurley (234) Bull. Illinois Mus. x, p. 55, 
pi. iv. — B. albersi, Burlington Group, Burlington, Iowa, op. cit. p. 38, 
pi. ii. — B. approximatus , ibid . ; op. cit. p. 56, pi. iv. — B. argutus , 
Burlington Group, Sedalia, Mo. ; Miller & Gurley (232) Bull. Illinois 
Mus. viii, p. 9, pi. i. — B. asper , ibid . ; op. cit. p. 13, pi. i. — B. asperatus , 
Burlington Group, Adams Co., 111. ; op. cit. p. 12, pi. i. — B. basilicus , 
Burlington Group, Sedalia, Mo.; op. cit. p. 11, pi. i. — B. cistula , St. 
