1794 



THE VOYAGE OF H.M.S. CHALLENGER. 



Sethoconus — 



hexagonalis, 1293. 

 larvatus, 1282. 

 longisetiTS, 1294. 

 lophophana, 1292. 

 mitra, 1291. 

 nassa, 1293. 

 orthoceras, 1294. 

 pileus, 1291. 

 profundus, 1294. 

 rayianus, 1291. 

 setosus, 1296. 

 tabulatus, 1293. 

 trichostylus, 1294. 

 trochus, 1290. 

 venosus, 1297. 

 verrucosus, 1293. 

 virgultus, 1296. 

 Sethocokida, 1289. 

 Sethocorys, 1301. 



achillis, 1301. 

 ajacis, 1302. 

 amphora, 1302. 

 armadUlo, 1302. 

 Odysseus, 1302. 

 patrocli, 1301. 

 Sethoctrtida, 1288. 

 Sethocyrtis, 1298. 



agamemnonis, 1300. 

 cancrina, 1292. 

 cassis, 1301. 

 diomedis, 1292. 

 menelai, 1299. 

 oxycephalis, 1299. 

 pleuracantha, 1300. 

 subacuta, 1300. 

 Sethodiscida, 422. 

 Sethodiscus, 422. 



cristatus, 424. 

 echinatus, 424. 

 lenticula, 423. 

 macrococcus, 423. 

 macroporus, 422. 

 micrococcus, 423. 

 microporus, 422. 

 phacoides, 422. 

 radians, 423. 

 Sethomelissa, 1207. 



hymenoptera, 1238. 

 Sethoptera, 1232. 



lagena, 1233. 

 Oceania, 1232. 

 pyrum, 1232. 

 tricostata, 1232. 

 Sethoperida, 1232. 

 Sethopha>na, 1285. 



enneaptera, 1286. 

 hexaptera, 1286. 

 polyptera, 1286. 

 tetraptera, 1285. 



Sethophj:nida, 1285. 

 Sethophormida, 1143. 

 Sethophormis, 1243. 



arachnium, 1247. 

 asteriscus, 1244. 

 astrodiscus, 1244. 

 aurelia, 1248. 

 cruciate, 1243. 

 dodecaster, 1248. 

 enneactis, 1247. 

 enneastruni, 1246. 

 eupilium, 1247. 

 floscula, 1249. 

 hexagonalis, 1245. 

 hexalactis, 1245. 

 leptopilium, 1249. 

 leptoscenium, 1249. 

 medusa, 1244. 

 octelactis, 1245. 

 pentalactis, 1244. 

 rotula, 1246. 

 triloba, 1246. 

 umbrella, 1248. 

 Sethopilida, 1195. 

 Sethopilium, 1202. 



cyi-topus, 1202. 

 macropus, 1203. 

 orthopus, 1202. 

 Sethopyramis, 1253. 

 bicornis, 1256. 

 cyclomma, 1255. 

 dodecalactis, 1256. 

 enneactis, 1254. 

 eupilium, 1247. 

 hexagonalis, 1255. 

 hexalactis, 1253. 

 maxima, 1256. 

 quadrata, 1254. 

 quadratella, 1254. 



scalaris, 1253. 



spinosa, 1255. 



trapezoides, 1254. 

 Sethomithium, 1356. 



dictyopterum, 1356. 

 Sethosphfera, 71. 



entosiphonia, 71. 



entosolenia, 71. 



rlwdococcus, 237. 

 Sethostaurium, 438. 

 Sethostaurus, 433. 



conostaurus, 433. 



coronatus, 434. 



cruciatus, 434. 



gigas, 435. 



orthostaurus, 433. 



recurvatus, 434. 



rhombostaurus, 434. 

 Sethostylium, 428. 

 Sethostylus, 429. 



dentatus, 429. 



Sethostylus — 



dicylindrus, 428. 

 distyliscus, 428. 

 e-ndostylus, 413. 

 hastatus, 429. 

 serratus, 429. 

 spicatus, 430. 

 Siphocampe, 1490. 



annulosa, 1500. 

 caminosa, 1500. 

 erucosa, 1500. 

 quadrantalis, 1501. 

 spiralis, 1501. 

 tubulosa, 1500. 

 Siphocampium, 1501. 

 Siphocampula, 1499. 

 Siphonaspis, 823. 



eristata, 823. 

 Siphonosphffira, 104. 



chonophora, 107, 

 conifera, 106. 

 cyathina, 105. 

 fragilis, 106. 

 inl'undibulum, 105. 

 macrosiphonia, 107. 

 marginata, 104. 

 pansiphonia, 104. 

 patinaria, 105. 

 pipetta, 108. 

 polysiphonia, 106. 

 serpula, 107. 

 socialis, 106. 

 tubulosa, 105. 

 Solenosphffira, 112. 

 amalthea, 115. 

 ascensionis, 115. 

 cornucopise, 115. 

 megalactis, 114. 

 pandora, 113. 

 serpentina, 114. 

 variabilis, 113. 

 venosa, 114. 

 Soreuma, 713. 



aeervulina, 714. 

 acinosum, 713. 

 irregulare, 713. 

 setosum, 714. 

 spinosum, 714. 

 subglobosum, 713. 

 Soreumida, 712. 

 Sorolarcus, 715. 



lamacillifer, 715. 

 tetrapylifer, 715. 

 terminalis, 715. 

 SpHjERELLARIA, 49. 

 Sph^eridea, 50. 

 Sphajrocapsa, 798. 

 cruciata, 798. 

 denteta, 798. 

 quadrata, 798. 



