ir>74 THE VOYAGE OF H.M.S. CHALLENGER. 
XipliMtylus — eotUinued. 
trochiliis, 957. 
Lrogon, 878. 
Yotdia, 1451. 
boylei, 956, 1279. 
isonaU, 472, 1398. 
lischkei, 900, 1345. 
Dubsquilatcralis, 472, 1398. 
Zafra (xe Colnmbella). 
Zanclif«r, 
caribensis, 376, 1389. 
Zanclorhyuchus, 1429. 
■spinifer, 478, 1421. 
Zaraniilla, 
kcrgueleni, 482. 
Zaa.s, 
spinatu.s, 482. 
Zeidora, 
naufraga, 175, 1350. 
Zemira (xe Eburna). 
ZcUs, 261, 365. 
Z«na, 
faber, 1440. 
japoDicus, 927, 1421. 
Zeojcis (ae« Naasa). 
Zidona {see Voluta). 
Ziphius, 383. 
Zizipbinua {su Trochus). 
Zoantbaa, 240, 1367. 
confertu.s, 406, 1367. 
danse, 240, 1367. 
Zo«, 
elapboceras, 783. 
Zonarimn, 
octangulum, 1040. 
qaadrigatnm, 1051. 
Zonarium — contimtcd. 
quadrispinuii), 1060. 
tetratholium, 949, 1046. 
Zona.spLs, 
.'cquatorialis, 1251. 
cingulata, 1064. 
fragilis, 1218. 
Zoniscus, 
bexathalamus, 957. 
hexatbolius, 879, 1040, 1132. 
octacanthus, 1006. 
rectangulus, 979. 
tetracanthus, 1040. 
Zonodiscus, 
saturnalis, 1226. 
ZoontocarLs, 
approximus, 835, 836. 
galatheoe, 552. 
Zoroaster, 
fulgens, 217, 229, 350, 1304, 
1310, 1311, 1317. 
tennis, 855, 1304. 
Zozymus, 
seneus, 648, 1393. 
Zygacantha, 
complanata, 958. 
compressa, 1261. 
costata, 1013, 1017, 1019, 1024, 
1028, 1032, 1046, 1053, 1057, 
1062. 
Zyga;na, 
malleus, 308, 309, 629, 1000, 
1421, 1428. 
Zygartus, 
chrysalis, 1031, 1039, 1050, 1055, 
1059. 
doliolum, 1031, 1039, 1045. 
Zygocampe, 
chrysalidium, 1050, 1055, 1059. 
corasium, 979. 
Zygocampe — continiied. 
pupula, 1015. 
Zygocircus, 
acacia, 1015. 
dodecanthus, 1006, 1011, 1015, 
1022. 
hexagonus, 950. 
pentagonus, 1022. 
rhombicus, 1040, 1046, 1226. 
sagittalis, 1011, 1016, 1022. 
tetragonus, 1231. 
Zygospyris, 
equus, 1250. 
quadrupes, 1226. 
Zygostaurus, 
amphitbectus, 1053. 
caudatus, 1013. 
frontalis, 1062. 
longicornis, 1108. 
sagittalis, 1046. 
Zygostephanium , 
constrictum, 1053. 
dizonium, 1022. 
paradictyum, 922. 
Zygostepbanus, 
bicornis, 1132. 
dissocircus, 1040, 1046. 
ramosus, 957. 
reniformis, 880, 1040. 
serratus, 1016. 
violina, 1218. 
Genera douhtful : — 
— (?), 
clava, 277, 1353. 
— (?). 
ignotus, 1171, 1416. 
— (?). 
pyrifonnis, 477, 1416. 
Ladoratohv fob .Micboscopic Work on Board II.M.S. Challenger. 
