88 Ech. 
KCHJNODERMATA. 
p. 14, pi. i, fig. 12, latiola , p. 22, pi. iii, figs. 1 & 2, blairi , p. 21, pi. ii, figs. 
13 & 14, buonvillensis, pp. 8 & 9, pi. i, figs. 1 & 2, brittsi , p. 23, pi. iii, figs. 
3 & 4, broadheadi , pp. 21 & 22, pi. ii, fig. 15, carchesium, p. 23, pi. iii, 
figs. 6 & 7, concinnus, pp. 18 & 19, pi. iv, fig. 5, Lower Carboniferous, 
Missouri, Miller, (1) ; P. corbuliformis , Rowley (5) & Hare, p. 113, 
pi. iii, fig. 1, Lower Burlington Limestone, Louisiana ; P. curry villensis, 
Chouteau Limestone, Missouri, Rowley (4) & Hare, pp. 98 & 99, pi. ii, 
fig. 5; P. gorbyi , Lower Carboniferous, Missouri, Miller, (1) p. 15, pi. i, 
fig. 14 ; P. insolens, Chouteau Limestone, Missouri, Rowley (4) & Hare, 
p. 98, pi. ii, fig. 4 ; P. lautus , Lower Carboniferous, Missouri, Miller, (1) 
pp. 17 & 18, pi. ii, figs. 3 & 4 ; P. marginatus , Upper Burlington Lime- 
stone, Rowley (4) & Hare, p. 98, pi. ii, fig. 3; P. occidentalism pp. 10 & 11, 
pi. i, figs. 5 & 6, ollicula, p. 19, pi. ii, figs. 7 & %,pentagonus, p. 1G, pi. ii, fig. 1, 
Lower Carboniferous, Missouri, Miller (1) ; P. pisum, Rowley (5) & 
Hare, pp. 113& 114, pi. iii, fig. 3, Lower Burlington Limestone, Louisiana; 
P. plano-basulis , id. (4) & id. p. 98, pi. ii, fig. 1, Burlington Limestone, 
Missouri ; P. pulcellus , p. 11, pi. i, fig. 7, rotundus , p. 20, pi. ii, figs. 11 & 
12, sampsoni, p. 13, pi. i, fig. 11, sulcatus, pp. 1G & 17, pi. ii, fig. 2, 
Lower Carboniferous, Missouri, Miller (1) : n. spp. 
iPlatysolenites antiquissimus , Eichwald, Matthew, p. 150, pi. vii, figs. 
11 a-c, Cambrian, Canada. 
+Pomatocrinus jcegeri, Koenig, v. sub. t Millericrinus mcspili/ormis (Schlo- 
theim), d’Orb. 
Porocrinus , Bill., remarks ou the genus ; Grant, (2) p. 42. 
tP. smithi , n. sp., Grant, (2) pp. 42 & 43, figs. 1-8. 
t ; Poteriocrinus crassus, Miller, from Limestone and Shale, Lanarkshire; 
Craig, p. G9. P. crassus, Miller, and P. nuciformis , McCoy, from Calca- 
reous Limestone, Straiian, p. 228. P. meekauus , from Burlington Lime- 
stone ; Rowley (2). 
+ ; P: agnatus , p. 43, pi. viii, figs. G & 7, Keokuk Group, Missouri ; 
P. amcenus, p. 45, pi. ix, fig. G, Keokuk Group, Indiana, Miller (3) ; 
P. arcanus, Miller & Gurley, p. 29, pi. v, fig. 4, ib. ; P. boonvilleusis , 
Miller, (3) pp. 42 & 43, pi. viii, figs. 3 & 4, Keokuk Group, Missouri ; 
P. brittsi, id. (1) p. 30, pi. iv, figs. 5 & 6, Lower Carboniferous, Missouri ; 
P. cantonensis. Miller & Gurley, pp. 40 & 41, pi. viii, figs. 3 & 4, 
Keokuk Group, Indiana ; P. coryplmus, Miller, (3) pp. 44 & 45, pi. ix, 
fig. 1, ib.\ P. craw/ordsvillensis , p. 23, pi. iv, fig. 8, ib ., genista , pp. 38 & 39, 
pi. vii, fig. 3, Iowa, grandilineus, pp. 22 & 23, pi. iv, fig. 7, Keokuk Group, 
Indiana, legrandensis , pp. 39 & 40, pi. vii, figs. 4-6, scopce , p. 38, pi. vii, 
fig. 2, spartarius , p. 37, pi. vii, fig. 1, Kinderhook Group, Iowa, subrainosus , 
pp. 49 & 50, pi. x, fig. 1, verus , p. 24, pi. iv, fig. 9, Keokuk Group, 
Indiana, Miller & Gurley ; P. waltersi , Rowley (4) & Hare, p. 101, 
pi. ii, fig. 15, Lower Burlington Limestone, Louisiana, Mo. : n. spp. 
t Rhodocrinus uniarticulatus , de'Kon., Limestone and Shale, Lanark- 
shire ; Craig, p. 69. 
t ; R. ccelatuSy p. 43, pi. vii, fig. 10, Kinderhook Group, Iowa, Miller & 
Gurley ; P. parvus , p. 39, pi. v, figs. 8 & 9, Lower Carbouiferous, 
