CRINOIDEA. (IV, F.) 
Echin. 105 
Louis Group, Lcanesville, Ind. ; op. cit. p. 18, pi. i. — B. cognatus , 
Burlington Group, Burlington, Iowa, with abnormal specimen (p. 66) ; 
Miller & Gurley (234) Bull. Illinois Mus. x, p. 60, pi. iv. — B. com- 
planutus [sic], ibid . ; op. cit. p. 27, pi. i. — B. consanguineus, ibid., with 
abnormal specimen perhaps of this species ; op. cit. p. 63, pi. iv. — B. 
delicatulus, Keokuk Group, Boonville, Mo. ; Miller & Gurley (233) 
Bull. Illinois Mus. ix, p. 12, pi. i. — B. douglassi , Keokuk Group (?), 
Bridger Mountains, near Bozeman, Montana; Miller & Gurley 
( 235) Bull. Illinois Mus. xii, p. 29, pi. ii. — B. enodatus , Burlington 
Group, Sagetown, 111.; Miller & Gurley (234) Bull. Illinois Mus. 
x, p. 46, pi. ii. — B. enodis , Burlington Group, Burlington, Iowa; 
op. cit. p. 25, pi. i. — B. faberi, Burlington Group, Adams Co. ? 111. ; 
Miller & Gurley (233) Bull. Illinois Mus. ix, p. 18, pi. ii. — B. 
folliculus , Burlington Group, Sedalia, Mo. ; Miller & Gurley (232) 
Bull. Illinois Mus. viii, p. 15, pi. i. — B. germanus , ibid . ; op. cit. p. 5, 
pi. i. — B. glaber , Burlington Group, Burlington, Iowa ; Miller & 
Gurley (234) Bull. Illinois Mus. x, p. 32, pi. i. — B. hodgsoni , Burling- 
ton Group, Adams Co., 111. ; Miller & Gurley (232) Bull. Illinois 
Mus. viii, p. 8, pi. i. — B. insolens , Burlington Group, Burlington, Iowa, 
Miller & Gurley (234) Bull. Illinois Mus. x, p. 35, pi. ii. — B.jessiece, 
Burlington Group, Sedalia, Mo. ; Miller & Gurley (232) Bull. 
Illinois Mus. viii, p. 20, pi. i. — B. levigatus , Burlington Group, Burling- 
ton, Iowa; Miller & Gurley (234) Bull. Illinois Mus. x, p. 29, 
pi. i. — B. levis , ibid . ; op. cit. p. 23, pi. i. — B. modulus , Burlington 
Group, Adams Co., 111. ; Miller & Gurley (232) Bull. Illinois Mus. 
viii, p. 16, pi. i .--B. nanus , Burlington Group, Sedalia, Mo. ; op. cit. 
p. 17, pi. i. — B. niteus [? err. pro nitens\ Burlington Group, Burlington, 
Iowa; Miller & Gurley (233) Bull. Illinois Mus. ix, p. 15, pi. i. — B. 
nodosarius , Burlington Group, Adams Co., 111. ; Miller & Gurley (234) 
Bull. Illinois Mus. x, p. 22, pi. i. — B. nodosus, ibid . ; Miller & Gurley 
( 233) Bull. Illinois Mus. ix, p. 5, pi. i. — B. nodulosus , ibid . ; op. cit. 
p. 6, pi. i. — B. jparilis , Keokuk Group, Boonville, Mo. ; op. cit. p. 17, 
pi. ii. — B. pcttiscnsis, Burlington Group, Sedalia, Mo. ; op. cit. p. 19, 
pi. ii. — B. politus, Burlington Group, Burlington, Iowa; Miller & 
Gurley (234) Bull. Illinois Mus. x, p. 31, pi. i. — B. proximus, Burling- 
ton Group, Sedalia, Mo. ; Miller & Gurley (232) Bull. Illinois Mus. 
viii, p. 7, pi. i. — B. regalis, ibid . ; Miller & Gurley (233) Bull. 
Illinois Mus. ix, p. 14, pi. i. — B. reliquus, Burlington Group, near 
Sharon, S. W. Missouri ; Miller & Gurley (235) Bull. Illinois Mus. 
xii, p. 22, pi. i. — B. remotus , Burlington Group, Burlington, Iowa; 
Miller & Gurley (234) Bull. Illinois Mus. x, p. 43, pi. ii. — B. repertus , 
Burlington Group, Sedalia, Mo. ; op. cit. p. 70, pi. iv. — B. repositus, 
Burlington Group, Burlington, Iowa ; op. cit. p. 45, pi. ii. — B. reservatus, 
Burlington Group, near Sharon, S.W. Missouri; Miller & Gurley 
( 235) Bull. Illinois Mus. xii, p. 25, pi. i. — B. rotuliformis , ibid. ; op. cit. 
p. 26, pi. i. — B. rudis , Keokuk Group, Little Barren R., Kj. ; Miller 
& Gurley (234) Bull. Illinois Mus. x, p. 52, pi. iv. — B. rusticellus , 
Burlington Group, near Sharon, S.W. Missouri; Miller & Gurley 
( 235) Bull. Illinois Mus. xii, p. 23, pi. i. — B. (?) rusticus ■, ibid. ; op. cit. 
p. 28, pi. ii. — B. saccellus , Burlington Group, Burlington, Iowa; Miller 
& Gurley (234) Bull. Illinois Mus. x, p. 40, pi. ii. — B. sagetownensis , 
Burlington Group, Sagetown, 111. ; op. cit. p. 54, pi. iv. — B. salemensis, 
Warsaw Group, Salem, Ind. ; Miller & Gurley (233) Bull. Illinois 
Mus. ix, p. 8, pi. i. — B. scitulus, Burlington Group, near Sharon, 
S.W. .Missouri ; Miller & Gurley (235) Bull. Illinois Mus. xii, p. 19, 
pi. i. — B. scdaliensis , Burlington Group, Sedalia, Mo.; Miller & 
Gurley (234) Bull. Illinois Mus. x, p. 71, pi. iv. — B. selectus , Burling- 
ton Group, Sagetown, Illinois ; op. dt. p. 37, pi. ii. — B. senex, Burlington 
