CYSTIDEA — BLASTOIDEA. 
Ech. 91 
/ Stribalocystites, n, g., for iS. iumidus, n. sp. ; Miller, (3) pp. 20 & 21, 
pi. vi, figs. 33 & 34, Lower Silurian, Indiana. 
Trochocystites barrandei , n. sp., Mun.-Chalm. &J. Bercl, in Bergeron, 
p. 338, pi. iii, fig. 6. 
8. BLASTOIDEA. 
f; Codaster gracillimus, p. 99, pi. ii, figs. G & 7, Lower Burlington 
Limestone, Mo., grandis, p. 99, pi. ii, fig. 8, Upper Burlington Chert, 
Louisiana, Mo., Rowley (4) & Hare, n. spp. 
f ; Codonites inopinatus , n. sp., Rowley (4) & Hare, pp. 100 & 101, pi. ii, 
figs. 11 & 12, Lower Burlington, Louisiana, and Rowley (5) & Hare, 
p. 118, pi. iii, fig. 17. C. stelliferus , from Burlington Limestone; Row- 
ley (2). 
f Cryptobias tus melo, from Burlington Limestone ; Rowley (2). 
f ; Granatocrinus aplatus , p. 117, pi. iii, figs. 11 & 12, concinnulus, pp. 117 
& 118, figs. 13 & 14, Lower Burlington Limestone, Louisiana, Rowley 
(5) & Hare ; G. excavatus, pp. 99 & 100, pi. ii, figs. 9 & 10, Burlington 
Limestone, Mo., exigaus , Rowley (4) & Hare, p. 100, pi. ii, figs. 13 & 14, 
Lower Burlington Limestone, Louisiana, Mo. ; G. exiguus , from Sub- 
carboniferous, Mo., Rowley (5) & Hare, p. 118, pi. iii, fig. 18. 
*j*Cr. pyriformis , Rowley (5) & Hare, p. 118, pi. iii, figs. 15 & 16, 
Upper Burlington Limestone, Marion Co., Mo. : n. spp. 
•j ' Phccnoschisma ( Pentrcmites ) acuium, Phil, from Black Limestone ; 
Strahan, p. 228. 
f Troostocrinus nitidulus, n. sp., Miller & Gurley, p. 58, pi. ix, 
figs. 14 & 15, pi. x, fig. 14, St. Louis Group, Indiana. 
