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. 



conifera, 216. 



cormmta, 219. 



dentata, 211. 



echinoides, 214. 



elliptica, 350. 



enneacantha, 213. 



florida, 213. 



flosculenta, 211. 



forti.spiiia, 212. 



gibbosa, 216. 



haliphormis, 215. 



insignis, 212. 



longispiua, 215- 



maeropora, 210. 



marginata, 212. 



maxima, 216. 



micropora, 210. 



mucronata, 212. 



octahedralis, 21.3. 



pectinata, 218. 



reticulata, 217. 



setosa, 174. 



simplex, 216. 



tenuis, 210. 



teuuissima, 210. 



zonastcr, 261. 

 ACAKTHOSTAURIDA, 76S. 



Acanthostaurus, 769. 



sequatorialis, 769. 



bipennis, 769. 



conacanthus, 769. 



cruciatus, 771. 



forceps, 770. 



hastatus, 770. 



pallidus, 770. 



puipurascens, 769. 

 Acontasparium, 829. 

 Aoontaspidium, 829. 

 Acontaspis, 829. 



capillata, 830. 



furcata, 829. 



hastata, 829. 



lanceolata, 829. 

 Acostaurus, 769. 

 Acrobotrys, 1114. 



acuminata, 1115. 



aquaria, 1114. 



auriculata, 1115. 



disolcnia, 1114. 



'Dionosoleuia, 1114. 



Acrobotrys — 



peutasolenia, 1115. 



tetrasolenia, 1115. 



trisolenia, 1115. 

 Acrocalpis, 1168. 



virginica, 1169. 

 Acrocorona, 1176. 

 Acrocoronia, 977. 

 Acrocubus, 992. 



amphistylu-s, 993. 



amphithectus, 994. 



arcuatus, 993. 



brachiatus, 993. 



Cortina, 994. 



lasanum, 994. 



octopylus, 993. 



tesseralis, 993. 



tetrapodius, 994, 

 Acromelissa, 1203. 

 Acropyramis, 1159. 

 Acrosphaera, 99. 



collina, 101. 



ecbinoides, 100. 



erinacea, 100. 



inflata, 101. 



setosa, 100, 



spinosa, 100. 

 ACROSPH/ERIDA, 94. 

 ACROSPYRIDA, 1085. 



Acrospyris, 1085. 



clatlirocauium, 1085. 



dictyophimus, 1085. 



fragilis, 1086. 



macrocephala, 1086. 



pyramidalis, 1086. 

 Actidiscus, 15. 



discoides, 15. 



Unticularis, 15, 



phMCoidcs, 15. 

 Actilarcus, 16. 



larcoides, 16. 

 Actinastrum, 733. 



legitimuni, 733. 



pent.azonium, 733. 

 Actinelarium, 730. 

 AOTINELIDA, 728. 

 Actinelidium, 730. 

 Actinelius, 730. 



pallidus, 731. 



polyacanthus, 731, 



primordialis, 730. 



protogenes, 730. 



purpureus, 730. 

 Actinelonium, 731. 

 Actinomma, 251. 



aculeaium, 258. 



anthomma, 252. 



arcadophorum, 255. 



asteracanthion, 196. 



capillaceum, 255. 



Actinomma — 



castanomma, 253. 



crenatum, 314. 



dalurmformc, 164. 



denticulatum, 254. 



dodecomma, 256. 



drymodes, 198. 



cntactinia, 253. 



facetum, 252. 



fetiestratuni, 315. 



giganteura, 256. 



hexactis, 192. 



hexagonium, 252. 



hirsutum, 251. 



incrme, 80. 



japonicum, 253. 



medusa, 80. 



pachycapsa, 256. 



pachyderma, 254. 



schwageri, 256. 



sphcerechimis, 258. 



spinigerum, 254. 



tctracanthum, 164. 



trinacrium, 254. 



triplex, 314. 

 ACTINOMM.\TIDA, 251. 

 Actinommida, 251. 

 Actinopyramis, 1256. 

 Actiprununi, 14. 



ellipsoides, 14. 



prunoideum, 14. 



ACTIPYLEA, 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. 

 Aegospyris, 1053. 



aegoceras, 1054. 



aequispina, 1053. 



caprina, 1054. 



lougibarba, 1054. 



octo.spina, 1053. 

 Alacorys, 1370. 



aculeata, 1373. 



bismarckii, 1372. 



carcinus, 1375. 



dodecantha, 1375. 



enneacantha, 1374. 



