REPORT ON THE CRINOIDEA. 435 
Emedullata, 151, 196. 
Encrinide, 142, 187. 
Encrinites dubius, 294. 
Encrinus, 25, 34, 35, 48, 49, 51, 117, 125, 126, 142, 
143, 145, 149, 150, 152-155, 230, 272, 
275, 284, 294-296, 300, 340, 363, 394, 
395. 
beyrichi, 270, 295. 
caput-Medusee, 274, 300. 
gracilis, 37, 153. ‘ 
liliiformis, 294. 
pentactinus, 299. 
Epizygal, 4, 50, 219. 
Erisocrinus, 150, 152-154. 
Eucalyptocrinus, 151, 157, 160, 195, 400. 
crassus, root of, 20. 
Eucrinoidea, 186-189. 
Eudesicrinus, 10, 143, 149, 161, 202, 205 ; systematic | 
position of, 2138-216. 
Eudiocrinus, 36, 47, 58, 68, 137, 138, 140, 143, 291, 
373. 
atlanticus, 47, 127. 
indivisus, 47, 48, 58, 127, 137. 
japonicus, 47, 109, 127, 339, 378. 
sempert, 36, 47, 127. 
varians, 47, 58, 127. 
Engeniacrinide, 142, 216. 
Eugeniacrinites, 245. 
Eugeniacrinus, 68, 131, 142, 161, 211, 214, 927, 247, 
248. 
mayalis, 215. 
pyriformis, 247. 
Eupachycrinus, 46, 153, 154. 
Extracrinus, 8, 30, 34, 41, 43, 51, 59-61, 76, 131, 143, 
145, 149, 150, 154, 181-183, Tle 272s 
274-278, 281, 288, 296-299, 308, 371, | 
394, 395; arms of, 59-61, 224, 277, 
278; calyx of, 274-276 ; ceological 
range of, 296-298 ; stem of, 276, 277, 
287. 
briareus, 20, 22, 54, 55, 81, 131, 274, 
975, 278, 296, 297, 313. 
subangularis, 16, 22, 30, 54, 274, 277, 413. 
Food of Crinoids, 132, 133. 
Food-grooves, 56, 64, 68, 69, 77-85, 92, 156, 163- 
166, 173, 180, 236, 415. 
Free rays of Ichthyocrinide, 181; of Platyerinus, 177. 
Genital canal, 96, 209. 
Genital cord, 61, 63, 108, 110, 111, 209, 210. 
6, 
6, 
Genital glands, 56, 57, 61, 63, 83, 108-111, 220. 
Genital plates of Echini, 2, 168, 169, 172, 393-398, 402. 
Genital vessels, 97-100, 105, 108, 109. 
Geographical range of Crinoids, 136, 137. 
Gissocrinus, 66, 174. 
punetuosus, ambulacra of, 65. 
Glyptocrinus, 183-185. 
decadactylus, 183. 
schaffert, 20. 
Glyptocystites, 20. 
Goniaster, 245. 
Growing point of arms, 56, 59, 60, 400. 
Guettardicrinus, 39, 146, 149-152, 181, 289. 
Gymnocrinus, 143, 216. 
Habits of Crinoids, 130-132. 
Habrocrinus, 66, 180. 
Haplocrinus, 54, 157-159, 163, 164, 167, 170, 171. 
mespiliformis, 158. 
Heterocrinus, 42, 45, 53, 154, 267, 363. 
constrictus, 53, 224. 
simplex, 53, 224. 
Hexacrinus, 39, 176, 217. 
Holopide, 197, 216, 386. 
Holopocrinide, 211. 
Holopodide, 142, 143, 195, 217. 
Holopus, 38, 48, 127, 131, 141, 143, 145, 149, 155, 
159-161, 172, 185, 19'7, 198-217, 386, 
388. 
Arm-joints of, 207, 209 ; axial cords of, 119, 
209, 236; bivium and trivium of, 202, 
207; calyx of, 33, 36, 199-204, 213; 
colouring matter of, 129, 204, 210 ; genital 
glands of, 63, 110, 210; geographical and 
bathymetrical distribution of, 136-138, 
140, 141; oral plates of, 70, 72, 95, 156, 
198, 208; pinnules of, 207, 208 ; second 
and axillary radials of, 204-206 ; system- 
atic position of, 211-217; tentacles of, 208. 
rangi, 199-208, 380, 381, 384, 389, 386, 
388, 389 (Pls. i—vb.; Pl. ve. figs. 1-3). 
Hybocystites, 191. 
Hydrospires of Blastoidea and Cystidea, 194. 
Hyocrinide, 31, 217, 223, 386. 
Hyocrinus, 48, 54, 60-62, 73, 83, 134, 142, 146, 149, 
155, 160, 161, 176, 179, 181, 185, 208, 
217, 218, 219, 221, 222, 234, 236, 242, 
267, 289, 371, 386, 388, 391, 392; arms 
of, 52, 53, 219, 224; calyx of, 33, 36, 218, 
223; covering plates of, 74, 220; genital 
glands of, 109, 220; geographical and 
bathymetrical distribution of, 137-140 ; 
