31 Echin. 
Systematic — Blastoidea. 
1031 
| Apiocystites elegans Parks 161 ; 
A. tecumseth (Bill) Williams 217. 
t Gallocystites canadensis, jewetli, 
Parks 161. 
^Cavyocrinus ornatus, Parks 161 ; 
Reed 178. 
f Comarocysbis punctatus , Raymond 
177. 
\Cyclocystoides, Bather 10 ; Foerste 
69 ; Raymond 177. 
j" Ecliinoencrinus, Reed 178. 
\Edrioaster bucliianus, Bather 10 ; E. 
bigsbyi, Raymond 177. 
~\Edrioasteridae, Bather 7. 
| Edrioasteroidea , Bather 8 & 9. 
]Gomphocysbites tenax, Parks 161. 
\Ileliocrinus, Reed 178. 
| liolocystites globosus, Parks 161. 
| Lodanella mira, Wanner 215. 
| Malocystites murchisoni, Raymond 
177. 
"\Pardcysti8 ostrogothicus gen. & sp. n. 
Ordovician Sweden, Sjodero Geol. For. 
Fdrh. 37 pp. 171-178 pis. ii, iii [a 
Crinoid]. 
f Pleurocystis and P. elegans, Ray- 
mond 177. 
f Pyrgocystis gen. n. with P. sardesoni 
(Genotype) Lower Ordovician, Minne- 
sota ; P. grayce Upper Ordovician, 
Girvan ; P. ansticei Mid. Silurian, 
Shropshire spp. n., Bather Geol. Mag. 
2 pp. 6-12,49-59 pis. ii-iii. 
\Sigmacystis barrandei, emmonsi , 
Raymond 1*77. 
\Sphceronis, Reed 178. 
Steganoblastus, Bather 10 ; Raymond 
177. 
H. Blastoidea. 
f Blastoidea, Stauffert 201. 
| Blastoidocrinus carcharideus, Ray- 
mond 177. 
^Godaster canadensis, Williams 218. 
^Eleutherocrinus cassedayi, Williams 
218. 
f Nucleocrinus elegans, Williams 218. 
K. Inoertae Sedis. 
\Bolboporites americanus, Raymond 
177. 
| Squama ster ecliinatm, Parks 161. 
