1498 
THE VOYAGE OF H.M.S. CHALLENGER. 
Dvxtobrancluva, 676. 
ciliata, 315, 676. 
niinuta, 967. 
polycotyla, 1114. 
Diachoris, 
costata, 1179, 1412. 
crotali, 543, 1412. 
birtissima, 313, 1412. 
inennis, 475, 1412. 
magcllanica, 572, 1179, 1412, 
1427, 1449. 
twr. distans, 491, 1412. 
Diacria, 110, 137, 1068, 1219. 
Diadoma, 120, 122, 969. 
scto.stim, 169, 307, 828, 1074, 
1378, 1423. 
Diagramnia, 
panlale, 658, 1417. 
pictum, 658, 1417. 
Diala {see Alaba). 
Diaphoropus, 
longidorsalis, 314. 
versipellis, 552. 
Diastopora, 
patina, 398, 1351, 1449. 
Diaatylis, 1442, 1451. 
erinaceus, 288, 1286. 
horrida, 471, 1340. 
mystacina, 288, 1286. 
stygia, 219, 1307. 
Diatoma, 
rhoinbicmn, 
rar. antarctira, 515. 
var. occanica, 515. 
DicbeUspia, 
aesailia, 266, 1306. 
Dicladia, 
c»preolu8, 493. 
Dicolocapsa, 
mcgacepbala, 513, 1052. 
microcepbala, 881. 
Dicranaatrum, 
antilo]te, 1237. 
bifurcatum, 950. 
cornutum, 1206. 
dicbotomum, 1082. 
furcatum, 1045. 
tricuapii, 958. 
thfariuDi, 1119. 
wyvillei, 1045. 
Dictyaafiu, 
com pacta, 1062. 
faroaa, 1013. 
Dirtyaatrum, 
acaleatom, 879. 
angnlatum, 777. 
hrxagoDum, 1250. 
triartia, 798. 
trirho[ialum, 1056. 
triapinoaum, 1250. 
Dictyocnlyx, 1290. 
gracilis, 1080, 1284. 
Dictyocephalus, 
ampbora, 1012, 1016, 1023, 1027, 
1031, 1042, 1052. 
ampulla, 881. 
antarcticus, 513. 
australis, 582. 
capito, 798. 
cavea, 1016. 
globiceps, 1042. 
bispidus, 1231. 
tabulatus, 1042. 
urceolus, 1023. 
Dictyoceras, 
bombus, 1052. 
formica, 1266. 
insectum, 1006, 1012, 1016, 1023, 
1027, 1032,' 1042, 1052, 1066, 
1060. 
melitta, 1254. 
vircbowdi, 1042, 1047. 
Dictyocha, 
medusa, 1052. 
navicula, 1261, 1268. 
stapedia, 167, 516. 
staurodon, 1251. 
triommata, 1032, 1043, 1052. 
Dictyocladium, 1429. 
dicbotomum, 537, 1372. 
Dictyocodon, 
palladius, 1047. 
prometheus, 1251. 
Dictyocoryne, 
ecbinata, 1207. 
profunda, 773, 879, 1060. 
tetradiscus, 1040, 1045, 1051, 
1055, 1060. 
Dictyomitra, 
articulata, 167. 
conica, 1047. 
costata, 1043. 
eurytborax, 1017, 1047. 
macilenta, 777, 782, 793, 798, 
813, 838, 843, 845, 860, 858, 
863, 869, 871, 877, 882. 
Dictyopbimus, 
antarcticus, 513. 
bicornis, 880. 
brandtii, 880, 922. 
biitscblii, 1085. 
cballcngcri, 880, 1251. 
cienkowskii, 973, 1047. 
cortina, 1051. 
bertwigii, 1033, 1047, 1054, 1057, 
1062. 
lasanum, 1218. 
longi)ic8, 1132. 
plectaniscus, 1011, 1041. 
pyramus, 1016. 
Dictyopbimus— cOTiiTOwed. 
sphterocephalus, 880. 
triserratus, 880, 1060. 
Dictyopodium, 
eurylophus, 1006. 
scaphopodium, 1016, 1042. 
thyrsolophus, 1023. 
Dictyospyris, 
anthophora, 1257. 
biloba, 980. 
distoma, 1011, 1016, 1023. 
enneastoma, 513. 
mammillaris, 880, 1041, 1046. 
polystoma, 1231. 
quadriloba, 1031, 1041, 1051, 
1056, 1060. 
spinulosa, 1041, 1051, 1056, 
1060. 
stalactites, 1051. 
tetrastoma, 513, 516. 
Didemnum, 1451. 
aurantiacum, 544, 1415. 
inerme, 245, 1415. 
savignii, 423, 1353. 
Didymia, 
simplex, 549, 1351. 
Diloma {see Trochus). 
Dimeregramma, 
minus, 287. 
nanum, 191, 197. 
Dimetopia, 
cornuta, 549, 1351. 
Dinia {see Atys). 
Diodon, 807. 
hystrix, 1076, 1417. 
Diogenes, 
brevirostris, 410, 1388. 
custos, 560, 1388. 
guttatus, 699, 1388. 
Diomedea, 
brachyura, 888, 954. 
exulans, 494, 523, 584, 588, 605, 
606, 611, 612, 1083, 1084, 
1091, 1093, 1095, 1099, 1100, 
1103, 1106, 1107, 1110, 1114, 
1122, 1128, 1133, 1138, 1182, 
1208, 1211, 1222. 
fulminata, 523. 
melanopbrys, 584, 588, 605, 606, 
611, 1093, 1095, 1099, 1100, 
1103, 1110, 1128, 1133, 1211. 
(Phoebetria), 
fuligiuosa, 506, 1100, 1107, 1211. 
Diono {sec Cytbcrea). 
Diphasia, 
pinaster, 270, 1333. 
Diphyes, 110, 137, 139, 142, 249, 290, 
820, 380, 383, 402, 428, 495, 499, 
600, 626, 630, 662, 676, 684, 686, 
617, 671, 676, 736, 737, 741, 768, 
