KEPORT ON THE CRINOIDEA. 



439 



Phyllocrinus, 142, 21G, 227, 11;?. 



Physetocrinus, summit of, 171. 



Pigment, 23, 97. 



Pideticrinm, 273, 281. 



PinnasteUa, 187. 



Pinnigrada, 187, 190. 



Pinnules, 55-66, 174; of Bathycrinm, 233, 234; of 

 Comatulte, 58, 59, 83 ; of Holopan, 207, 208 ; 

 oi Hyoerinus, 59-61, 219, 224; of Mcfacrinm, 

 10, 55, 58, 155, 341, 342; of Pentacrinus, 55, 

 58, 59, 155, 286; of Ithizocrivus, 56, GO, 255. 



Pisocrinus, 48, 54. 



Platycrinidee, 61,62, 149, 158, 160, 1G2, 1G7, 168, 

 170, 171, 175, 176, 178-181. 



Platycrimis, 24, 48, 62, 65, 14G, 151, 15.5, 163, 164, 

 174, 176-179, 185, 196, 217, 22.3, 237, 

 258, 394. 

 hurlimjtonemtis, 177. 

 ventricosus, 170. 



Pleurocystites, 20. 



Plexiform gland, 33, 34, 96-106, 108 ; of Aduwmetra, 

 103, 104; of Antedon, 101, 102, 235; of 

 Bathycrinus, 89, 90, 101, 235; of Echinozoa, 

 101, 105, 407 ; of Pentacrinus, 105; of Ilhizo- 

 crinns, 89, 101, 104. 



Plicatocrinidas, 142, 222. 



Plicatocrinus, 49, 51, 142, 152, 155, 20.J, 214, 222, 

 223, 289. 



Poteriocrinus, 46, 60, 61, 146, 224, 394. 

 radiatus, 152. 



Primary interradial cords, of Bcdhycrinus, 126, 228- 

 230; of Encrinvs, 125, 126; of Pentacrinus, 

 124-126, 228, 230, 292, 293; of Rhizocrinus, 

 126, 228-230, 252, 253. 



Proboscis, 41-44, 87. 



Fromachocrinus, 36-38, Q&, 90, 92, 97, 137, 138, 140, 

 144, 216, 403. 

 ahyssorurn, 376, 377. 

 kerguelensis, 28, 99, 101, 102, 127 

 naresi, 378. 



Proximal plates of vault, 168-172. 



Psolidae (orals of), 2. 



Pterocrinus, 242, 243. 



Pterotoorinus, 157, 177. 



Radials (first), 2, 3, 33-38, 48, 106, 152, 155, 157, 

 168-170, 393-395, 399, 402; of Bathycrinm, 

 3, 37, 230, 231 ; of Comatulie, 147, 289, 293, 

 294; of Metacrimis, 48-51, 341, 357; of 

 Pentacrinus, 289, 293, 294 ; of Promachocrinm, 

 37, 38 ; of Rhizocrinus, 250-253. 



Eadials (second), 38, 47, 50 ; of Eudesicrinus, 10, 215 ; of 

 Ilolofus, 204-206,215; of Metacrinus, 48, 341. 



Radial dome plates, 167, 169, 175-178. 



Radial jdug, 34, 293. 



Radial skeleton, 1, 2. 



Radial spaces, 31, 32. 



Radicular cirri, 27, 28. 



Ray-divisions, 47-51, 337. 



Reparation of arms, 60, 255, 285 ; of disk, 255. 



Reteocrinue, 42, 151, 181, 183-185, 371, 372. 

 nealli, 43, 44, 184. 

 richardsoni, 43. 

 stellaris, 43. 

 mhglohosits, 43. 



Rhizocrinus, 3, 24, 27-31, 38, 54, 64, 73, 109, 127, 

 130, 132, 142, 143, 151, 1.53, 213, 217, 

 222-226, 229-238, 244, 245, 246, 

 247-259, 268, 269, 289-292, 317, 

 371, 388, 391, 392; ambulacral plates 

 of, 62, 261; arms of, 52-54, 64, 65, 

 267; caly.x of, 33, 34, 36, 38, 248-253, 

 257; digestive tube of, 88-90, 254; 

 geographical and bathymetrical range 

 of, 136-141, 391, .392; intra-radial 

 commissure of, 126, 253; orals of, 

 70, 72, 156, 219, 255; parasites of, 

 134; pinnules of, 56, 60, 255; plexi- 

 form gland of, 89, 101, 104; primary 

 interradial cords of, 156, 228-230, 252, 

 253 ; reparation of disk in, 255 ; second 

 brachials of, 38, 254; stem of, 23 31, 

 107, 256; syzygies of, 5, 9, 254, 255; 

 visceral mass of, 33, 90, 254, 255. 

 lofotensis, 3, 25-28, 36, 47, 56, 72, 90, 

 93, 134, 136, 246, 248-251, 253, 254, 

 257, 259, 260, 261-266, 268, 374- 

 376, 378-3S0, 382, 384, 386, 388, 389, 

 391 (PI. viiia. figs. 6-S; PI. ix. ligs. 1, 2; 

 PL X. figs. 1, 2). 

 londinensis, 269. 



rawsoni, 25, 28-30, 47, 56, 72, 134, 249, 

 254, 255, 257, 258, 262, 263-269, 

 374-376, 379-384, 386, 388, 389,391 

 (PL ix. fig-s. 3-5; PL x. figs. 3-20; 

 PI. liii. figs. 7, 8). 

 calyx of, 265-267; pinnules of, 267; 

 young specimens of, 264, 265. 



Rhodocrinidie, 39, 40, 149, 164, 167, 168, 171. 174, 

 371. 



Rhodocrinites, 39, 40, 371. 



