t IS Echin. 
V. Echinoderma. 
f Cromyocrinua grandis sp. n. Lower 
Carboniferous U.S.A., Mather Bull. 
Sci. Lab. Denison Univ. 18 p. 102 pi. 
iii figs 2, 2a. 
\Ctenpcrinu8, Kegel 86. 
^Delocrinus with D. dubius,petnanodus 
spp. n. Lower Carboniferous U.S.A., 
Mather Bull. Sci. Lab. Denison Univ. 
18 pp. 105-108 pi. iii figs. 1-1 b, 7-7b, 
8-8b. 
•\Eupachycrinus, Mather 110. 
Heliometra, Deriugin 39. 
t Hydreionocrinus, Mather 110. 
■\Isorophus gen. n., Foerste Bull. 
Sci. Lab. Denison Univ. 18 p. 140. 
■ \Pentacrinus , Riabinin 142. 
Promachocrinus kerguelenensis, Bou- 
LENGER 9. 
■ \Ptilocrinus gen. n. P. dohni sp. n. 
Lower Devonian Germany, Wanner 
Zs. D. Geol. Ges. 68 pp. 343-359 pi. 
xxviii. 
[1916] 
^Stereobrachicrinus gen. n. Genotype 
8 .pustullosus sp. n. Lower Carboniferous 
U.S.A., Mather Bull. Sci. Lab. Denison 
Univ. 18 p. 108 pi. iii figs. 9-9a. 
G. Cystidea & Edrioasteboidea. 
| Agelacrinites, Williams 163. 
f Pleurocystis with P. squamosus 
Bill mut. n. matutina Ordovician 
U.S.A., Ruedemann N.Y. State Mus. 
Bull. 189 pp. 27-29 pi. v. figs. 1^4. 
H. Blastoidba. 
t Blastoidocrinus car char ideas, Hud- 
son 82. 
Elaeacrinidarum gen. n. E. miljukovi 
sp. n. Lower Carboniferuus of the 
Kirghiz Steppes. Peetz. St. Peter- 
burgTrav. Soc. nat. Sect. geol. 35 pp. 
15-20 pi. i figs. 4-6. 
| Pentrinites , Mather 110. 
/ 
