1766 



THE VOYAGE OF H.M.S. CHALLENGER. 



Acanthosphsera 

 acufera, 211. 

 angulata, 216. 

 antarctica, 214. 

 arctica, 214. 

 brevispina, 215. 

 capillaris, 214. 

 castanea, 211. 

 clavata, 212. 

 compacta, 213. 

 oonifera, 216. 

 coronata, 219. 

 dentata, 211. 

 echinoides, 214. 

 elliptica, 350. 

 enneacantha, 213. 

 florida, 213. 

 flosculenta, 211. 

 fortispina, 212. 

 gibbosa, 216. 

 haliphormis, 215. 

 insignis, 212. 

 longispina, 215. 

 macropora, 210. 

 marginata, 212. 

 maxima, 216. 

 micropora, 210. 

 mucronata, 212. 

 octaheclralis, 213. 

 pectinata, 218. 

 reticulata, 217. 

 setosa, 174. 

 simplex, 216. 

 tenuis, 210. 

 tennissima, 210. 

 zonastcr, 261. 



AcANTHOSTAURIDA, 768. 



Acanthostaurus, 769. 



equatorialis, 769. 



bipennis, 769. 



conacanthus, 769. 



cruciatus, 771. 



forceps, 770. 



hastatus, 770. 



pallidus, 770. 



purpurascens, 769. 

 Acontasparium, 829. 

 Acontaspidium, 829. 

 Acontaspis, 829. 



capillata, 830. 



furcata, 829. 



hastata, 829. 



lanceolata, 829. 

 Acostaurus, 769. 

 Acrobotrys, 1114. 



acuminata, 1115. 



aquaria, 1114. 



auriculata, 11 15. 



disolenia, 1114. 



monosolenia, 1114. 



Acrobotrys 



pentasolenia, 1115. 



tetrasolenia, 1115. 



trisolenia, 1115. 

 Acrocalpis, 1168. 



rirginica, 1169. 

 Acrocorona, 1176. 

 Acrocoronia, 977. 

 Acrocubus, 992. 



amphistylus, 993. 



amphithectus, 994. 



arcuatus, 993. 



brachiatus, 993. 



cortina, 994. 



lasanum, 994. 



octopylus, 993. 



tesseralis, 993. 



tetrapodius, 994. 

 Acromelissa, 1203. 

 Acropyramis, 1159. 

 Aerosphfera, 99. 



collina, 101. 



echinoides, 100. 



erinacea, 100. 



inflata, 101. 



setosa, 100. 



spinosa, 100. 

 ACROSPH^RIDA, 94. 

 ACEOSPYRIDA, 1085. 

 Acrospyris, 1085. 



clathrocanium, 1085. 



dictyophimus, 1085. 



fragilis, 1086. 



maerocephala, 1086. 



pyramidalis, 1086. 

 Actidiscns, 15. 



discoides, 15. 



lenticularis, 15. 



phacoides, 15. 

 Actilarcus, 16. 



larcoides, 16. 

 Actinastrum, 733. 



legitimum, 733. 



pentazonium, 733. 

 Actinelarium, 730. 



ACTINELIDA, 728. 



Actinelidium, 730. 

 Actinelius, 730. 



pallidus, 731. 



polyacanthus, 731. 



primordialis, 730. 



protogenes, 730. 



purpureus, 730. 

 Actinelonium, 731. 

 Actinomma, 251. 



aculeatum, 258. 



anthomma, 252. 



arcadophorum, 255. 



asteracanthion, 196. 



capillaceuni, 255. 



Actinomma 



castanomma, 253. 



crenatum, 314. 



dalurceforme, 164. 



denticulatum, 254. 



dodecomma, 256. 



drymodes, 198. 



entactinia, 253. 



facetum, 252. 



fenestratum, 315. 



giganteum, 256. 



hexactis, 192. 



hexagonium, 252. 



hirsutum, 251. 



inenne, 80. 



japonicum, 253. 



medusa, 80. 



pachycapsa, 256. 



pachyderma, 254. 



schwageri, 256. 



sphcerechinus, 258. 



spinigerum, 254. 



letracanthum, 164. 



trinacrium, 254. 



triplex, 314. 

 ACTINOMMATIDA, 251. 

 Actinommida, 251. 

 Actinopyramis, 1256. 

 Actiprunum, 14. 



ellipsoides, 14. 



prunoideum, 14. 



ACTIPYLBA, 716. 



Actissa, 12. 



discoides, 15. 



ellipsoides, 14. 



larcoides, 16. 



lenticularis, 15. 



phacoides, 13. 



primordialis, 13. 



princeps, 13. 



prototypus, 13. 



prunoides, 14. 



radiata, 14. 

 ADELACANTHA, 717. 

 Adelocyrtis, 1762. 



cometa, 1762. 



pala, 1762. 



spinosa, 1762. j 

 Aegospyris, 1053. 



aegoceras, 1054. 



aequispina, 1053. 



caprina, 1054. 



longibarba, 1054. 



octospina, 1053. 

 Alacorys, 1370. 



aculeata, 1373. 



bismarckii, 1372. 



carcinus, 1375. 



dodecantha, 1375. 



enneacantha, 1374. 



