GENERAL INDEX. 



The figures in dark type indicate the page on which the genus or species is hrst described. 



Abactinal side, 157, 158, 171. 

 Abactinal system, 156, 169, 172. 

 Actinal side, 156, 158, 171, 179. 

 Actinal system, 156, 169, 172, 178. 

 ActinocrinidEe, 61, 62, 86, 149, 158, 164-181. 

 Adinocruim, 62-66, 156-158, 164-166, 169, 172, 

 177-180, 182, 183, 185, 192, 394. 

 rugosus, 75. 

 vemeuilianus, 165. 

 Actinoidea, 186, 187, 190. 



Adinomefra, 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. 

 dismnilis, 110, 111. 

 fimhriata, 52. 

 jukesi, 67, 69, 85, 91, 130, 132, 133, 



319, 337 (FL Iv. fig. 1). 

 loveni, 132. 

 magnifica, 57, 69, 91, 113 (PI. hi. 



fig. 7). 

 meridinnalis, 280, 337. 

 mult ir ad lata, 49, 52, 337. 

 7ngm, 96, 110, 120-122, 124, 416 



(PI. Ixi. fig. 6). 

 nobill-; 55, 57, 69, 110, 111. 

 novcB-guinecB, 49. 



parviciira, 50, 52, 57, 67, 102, 103, 

 107, 120, 121, 124, 133, 283, 337, 

 (PI. hxi. figi 2-5). 



Adinometra jndcheUa, 91, 103, 104, 109, 137, 337 

 (Pi. Ix. fig. 1 ; Pi. Ixi. fig. 1). 

 rohusta, 144. 

 srhlegeli, 55. 



Solaris, 10, 49, 51, 52, 58, 91, 280. 

 stellata, 132, 319. 



stelligera, 69, 70, 337 (PI. Ivi. fig. 8). 

 strata, 60, 67, 69, 85, 86, 129, 130, 133 



(PI. liv. figs. 10, 11; PI. Iv. fig. 2). 

 tracliijgaster, 127. 

 typica, 4, 10, 49, 51, 52, 337. 

 Actinozoa, 193., 



Agassizocnnus, 132, 153, 213, 217, 319. 

 Agelacrinidae, 194. 

 Agelacrinoidea, 192. 

 Agelacrinus, 85, 192. 

 Allagecrliius, 146, 147, 152, 158, 159, 169, 213. 



austini, 37. 

 Ambulacra, 56, 57, 68-70, 78-85, 93, 127, 179-181 ; 

 of Comatuhe, 83-85; of Metacrinus, 81, 82; 

 of Pentacrinus, 78-80 ; suhtegminal ambulacra 

 of Palseocrinoids, 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 fsdiriddi, 112, 118, 411 ; 

 of the Blastoidea, 413. 

 Ambulacral plates, 55, 63, 65, 74-85, 165, 174-181, 



184. 

 Aniphiura, 395, 396. 

 Anal appendage, 41-46, 371, 372. 

 Anal jilate, 38, 73. 

 Anal series, 45, 372. 

 Anal tube, 69, 70, 81, 89. 



Anambulacral plates, 57, 62, 76-78, 80-86,'J65, 180, 

 184. 



