206 
DESCRIPTION OF THE FOSSILS. 
S ynbathocrinus conicus. Ph. PI. IV. fig. 12, 13. Bolland. 
Pelvis anchylosed ? 
Cyathocrinus distortus. Gilb. PI. III. fio\ 34. Bolland. 
n 
Pelvis slightly conical, costals tumid ; proboscis lateral ; scapular articulation 
narrow. One specimen has six scapular articulations. 
C. quinquangularis. Miller, PI. 111. fig. 30, 31, 32. Bolland; Green- 
how hill ; Coalbrookdale. 
Pelvis very conical; column pentagonal, the joints alternately thicker, their 
surfaces with a striated border. 
C. ornatus. Ph. PI. III. fig. 36, 37- (Platycrinus striatus ? Miller) 
Bolland. 
Pelvis conical; the plates granuloso-striate in lines converging to the middle of the 
plate, a deep groove or double pit at the top of each plate. 
C. mammillaris. Ph. PI. III. fig. 28. Bolland. 
Pelvis flat or convex ; costals very tumid ; scapular plates very large, with a broad 
articulation ; surface granulated. 
C calcaratus. Ph. PI. III. fig. 35. Bolland. 
Costal plates tubercular or spur-like ; scapulae moderate in size. 
C. bursa. Ph. PI. III. fig. 29. 
Pelvis impressed ; costals large and extremely tumid ; scapulae smaller, with a 
narrow articulation. 
C. conicus. Ph. PI. III. fig. 27. Bolland. 
Obliquely conical ; pelvis large, surface granulose. 
Actinockinus — Nearly all the species of this genus belong, 1 be- 
lieve, to the mountain limestone. 
A. 30— dactylus. Miller, PI. IV. fig. 16. Bolland ; Broughton in Cra- 
ven ; Mendip ; Kildare ; Bristol ; Florence Court. 
Are there really more than 20 fingers to this species ? I believe that I have never 
seen an indication of the lateral third finger of each hand. 
A. polydactylus. Miller, PI. IV. fig. 17, 18. Bolland; Mendip; Caldy I. 
Smaller than the last ; four or five fingers to each hand. 
A. Gilbertsoni. Miller, M.S. PI. IV. fig. 19- Bolland. 
Costals shorter and wider than in the other species ; their surface corrugated. 
A. tessellatus. Ph. PI. IV. fig. 21- Near Frome, Somerset. 
Scapula heptagonal. 
A. globosus. Ph. PI. IV. fig. 26, 29. Bolland. 
Globular, base concave ; all the plates convex ; ten equidistant arms ? (Not A. 
tesseracontadactylus. Goldf.) 
