20 Echin. 
V. Echinoderma. 
[1920J 
■\Temnocrinus, Springer 117. 
• \Thiollierocrinus , Musper 103. 
f Timorocidaris, Bather 11. 
■ \Tribrachiocrinus , Wright 138. 
■ \Ulocrinus , Wright 138. 
| W achsmuthicrinus bernhardinae, 
iowensis Lower Carbon. U.S.A., ponder- 
osus Lower Carbon. Scotland spp. n., 
Springer Crinoidea Flexibilia Wash- 
ington 1920 pp. 332-333 pi. xliv figs. 
6-8, 9a-c. 
^Woodocrinus, Wright 138. 
t Zeacrinus, Wright 138. 
G. — Cystidea and Edrioasteroidea. 
| Agelacrinus , Foerste 52. 
| Allocystites, Foerste 52. 
t Calocystites, Foerste 52. 
Camarocystites , Foerste 52. 
■ fCaryocystites , Bassler 9. 
■\Coelocystis, Foerste 52. 
■\Cyclocystoides, Foerste 52. 
■ \Cystidea , Foerste 54. 
Echinosphaerites aurantium ameri - 
canum var. n. Ordovician Maryland, 
Bassler Maryland Geol. Surv. Balti- 
more 1919 p. 207 pi. lv figs. 15-20. — E., 
Foerste 52. 
f Edrioasteroidea, Foerste 54. 
‘ \Oomphocystites with O. bownockeri 
sp. n. Silurian Ohio, Foerste Ohio J. Sci. 
21 pp. 55-57 pi. i figs. 5a, b ; ii figs. 9a, b ; 
iii figs, la, b, 2a, b, 6a, b, 9a, b. 
•\Hallicystis, Foerste 52. 
t Holocystites, Foerste 52 & 55. 
f Lycocystites, Foerste 52. 
•\Megacystis, Foerste 52. 
t Narrawayella gen. n. Type Cyclo- 
cystoides cincinnatiensis Mill. & Fab., 
Foerste Ohio. J. Sci. 21 p. 59. 
•f Savagella gen. n. Type Cyclocystoides 
ornatus Sav., Foerste Ohio. J. Sci. 21 
p. 61 pi. i fig. 18. 
f Tre;natocystis, Foerste 52. 
| Troostocrinus with T. sanctipauleiisis 
sp. n., T. reinwardti minimus var. n. 
Silurian Ohio, Foerste Ohio J. Sci. 21 
pp. 64-66 pis. i figs. 14, 15, 16 ; iii figs. 
3a, b, c. 
Weller ocyslis gen. n. with IF. kimmo - 
wickensis sp. n. Silurian Ohio, Foerste 
Ohio J. Sci. 21 pp. 36-37 pi. i figs. 12a, b. 
H. — Blastoidea. 
t Codaster lorae sp. n. Devon. U.S.A., 
Dunbar New Haven Conn Trans. 
Acad. Arts Sci. 23 p. 119. 
■ \Mesoblastus , Ulrich 129. 
