GENERAL INDEX. 
The figures in dark type indicate the page on 
Abactinal side, 157, 158, 171. 
Abactinal system, 156, 169, 172. 
Actinal side, 156, 158, 171, 179. 
Actinal system, 156, 169, 172, 178. 
Actinocrinide, 61, 62, 86, 149, 158, 164-181. 
Actinocrinus, 62-66, 156-158, 164-166, 169, 172, | 
177-180, 182, 
rugosus, 79. 
verneuilianus, 165. 
Actinoidea, 186, 187, 190. 
Actinometra, 33, 36, 59, 68, 74, 78, 85, .93, 95, 97, 
102, 104, 111, 115, 121-123, 127, 
143, 153, 154, 284, 291, 337, 377, 
381-385, 411; arms of, 55-57, 60, 
69, 70; digestive tube of, 91, 92; 
disk of, 69, 70, 85; geographical and 
bathymetrical distribution of, 136— 
141; mouth of, 69, 403; plexiform 
gland of, 103, 104. 
bennetti, 55, 127, 337. 
dissimilis, 110, 111. 
fimbriata, 52. 
jukesi, 67, 69, 85, 91, 130, 132, 
319, 337 (FL lv. fig. 1). 
loveni, 132. 
magnifica, 57, 69, ile 
fig. 7). 
meridionalis, 280, 337. 
multiradiata, 49, 52, 337. 
nigra, 96, 4-10)""120-122, 124, 
(Pl. lxi. fig. 6). 
nobilis, 55, 57, 69, 110, 111. 
novee-guinee, 49. 
parvicirra, 50, 52, 57, 67, 102, 103, 
107, 120, 121, 124, 138, 283, 337, 
(Pl. Ixi. figs 2-5). 
183, 185, 192, 394. 
133, 
ales (QE What 
416 
which the genus or species is first described. 
Actinometra pulchella, 91, 103, 104, 109, 137, 337 
(Pl. lx. fig. 1; PL Ixi. fig. 1). 
robusta, 144. 
schlegeli, 55. 
solaris, 10, 49, 51, 52, 58, 91, 280. 
stellata, 132, 319. 
stelligera, 69, 70, 337 (Pl. lvi. fig. 8). 
strota, 60, 67, 69, 85, 86, 129, 130, 133 
(PL. liv. figs. 10, 11; Pl. lv. fig. 2). 
trachygaster, 127. 
typica, 4, 10, 49, 51, 52, 337. 
Actinozoa, 193. 
Agassizocrinus, 132, 153, 213, 217, 319. 
Agelacrinide, 194. 
Agelacrinoidea, 192. 
Agelacrinus, 85, 192. 
Allagecrinus, 146, 147, 152, 158, 159, 169, 213. 
austini, 37. 
Ambulacra, 56, 57, 68-70, 78-85, 93, 127, 179-181 ; 
of (Comntnles 83-85; of Metacrinus, 81, 82; 
of Pentacrinus, 78-80; subtegminal ambulacra 
of Paleocrinoids, 164, 179. 
Ambulacral epithelium, 59, 93, 112, 113, 415. 
Ambulacral groove ; see Ambulacra and Food-groove. 
Ambulacral nerve, 59, 70, 93, 96, 111-115, 118, 120, 
408-416 ; of Antedon eschrichti, 112, 118, 411 ; 
of the Blastoidea, 413. 
Ambulacral plates, 55, 63, 65, 74-85, 165, 174-181, 
184. 
Ampliura, 395, 396. 
Anal appendage, 41-46, 371, 372 
Anal plate, 38, 73. 
Anal series, 45, 372. 
Anal tube, 69, 70, 81, 89. 
Anambulacral plates, 57, 62, 76-78, 80-86,$165, 180, 
184. 
