19 Echin. 
Systematic — CrinoidIsa. 
1031 
Hathromelra, Stephensen 120. 
Heliomelra, Stephensen 120. 
\Heterocrinus, Bassler 9. 
\Romalocrinus liljevalli sp. n. Silurian 
Springer Crinoidea Flexibilia Wash- 
ington 1920 p. 155 pi. vi figs. 13-15. — 
H ., Springer 117. 
f Hormocrinus gen. n. Lecanocrinidae 
with H. anglicus, gotlandicus spp. n. 
Silurian, Springer Crinoidea Flexibilia 
Washington 1920 pp. 166, 168-169 
pi. xiv figs. 6-7, 8a-d. 
f Hydreiocrinus, Wright 138. 
^Hypocrinus, Wanner 133. 
f Ichthyocrinus phillipsianus Silurian, 
England, devonicus Devonian U.S.A. 
spp. n., Springer Crinoidea Flexibilia 
Washington 1920 pp. 284, 290 pis. xxxv 
figs. 17a-c , xxxvi figs. 13—14. 
f Isocrinus , Jaworski 81. — I ., 
Welsch 134. 
f Lageniocrinus, Wanner 133. 
f Lecanocrinus lindstromi, angulatus, 
meniscus spp. n. Silurian, Springer 
Crinoidea Flexibilia Washington 1920 
pp. 134-140 pis i figs. 37a-c ; ii figs. 22, 
23, 25-28. 
f Lithocrinus, Springer 117. 
f Meristocrinus with M. minor , 
tuberosus, anceps spp. n. Silurian, 
Springer Crinoidea Flexibilia Wash- 
ington 1920 pp. 313-314 pi. xvii figs. 
4-6, 8, 9. 
f Merocrinus, Bassler 9. 
t Mespilocrinus romivgeri , bordeni , 
thiemei , cliapmani spp. n. Lower Carbon. 
U.S.A. , Springer Crinoidea Flexibilia 
Washington 1920 pp. 196-200 pl.v figs. 
20a, b, 21a-d, 22, 23a-c, 24a, b. — M., 
Wright 138. 
f Metasycocrinus, Wanner 133. 
\Metichihyocrinus , Springer 117. 
^ Miller icrinus, Musper 103. 
■\Monobrachiocrinus, Wanner 133. 
f Nipterocrinus, Springer 117. 
Oligometrides bellona sp. n. Philippines, 
Clark Proc. biol. Soc. Washington 33 
p. 21i 
f Onychocrinus wrighti sp. n. Lower 
Carbon. Scotland, Springer Crinoidea 
Flexibilia Washington 1920 p. 438 pi. 
lxxv fig. 14. — O., Wright 138. 
■ \Parichthyocrinus , Springer 117. 
f Parisocrinus, Reed 109. 
f Pentacriniles , Welsch 134. . 
• \Penlacrinus, Musper 103. — P., 
Welsch 134. 
f Periechocrinus , Foerste 52. 
t Platycrinus, Wright 138. 
f Pleurocystiles squamosus , Hume 79. 
f Poteriocrinus, Wright 138. 
t Prolaxocrinus girardeau, robustus 
Silurian U.S.A., P. virginiensis Devon. 
U.S.A. spp. n., Springer Crinoidea 
Flexibilia Washington 1920 pp. 349, 
350 pi. xlv figs. 8-12. 
f Pseudosaccoma strambergense, Gem- 
mellaro 61. 
■ \Pycnosaccus palei Silurian U.S.A., 
ienuibrachiatus Devonian U.S.A., 
welleri, dubius Silurian U.S.A. spp. n.. 
Springer Crinoidea Flexibilia Wash- 
ington 1920 pp. 186, 187-189 pis. xii 
figs. 1-9, xiii figs. 1-2, 3-5, 11a, b. 
f Releocrinus, Bassler 9. 
f Rhodocrims, Wright 138. 
f Rhopalocrinus, Springer 117. 
}Sagenocrinus clarlci sp. n. Silurian, 
Springer Crinoidea Flexibilia Wash- 
ington 1920 p. 220 pl.xix figs 4a-d. 
■ \Sycocrinus , Springer 117. 
f Synaptocrinus gen. n. Ichthyocrinidae , 
Springer Crinoidea Flexibilia Wash- 
ington 1920 p. 301 pi. xxxviii figs. 3-6. 
f Synerocrirms, Springer 117.— S., 
Wright 138. 
t Syocrinus, Wanner 133. 
t Talorocrinus, Ulrich 129. 
• \Taxocrinus telleri Devon. U.S.A., 
T. pustulosus, ornatus Lower Carbon. 
U. S.A., T. belgicus Lower Carbon. Bel- 
gium, T. praestans , huntsvillae Lower 
Carbon. U.S.A., Springer Crinoidea 
Flexibilia Washington 1920 pp. 386, 
391, 393, 395, 404, 407, pis. lii figs. 7-8 ; 
liv figs. 2a, b, 12, 13, 19, 20 ; lviii figs. 
1 - 8 . 
