444 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 
angusticeps, Haloptilus, 235 
angustus, Euaugaptilus, 204 
Mesorhabdus, 263 
annandalei, Clypeaster, 98 
annulata, Caenopedina, 1, 38, 39 
Anomalocera, 163 
ornata, 163 
patersonii, 149, 164, 166 
antarcticus, Gaetanus, 229 
Antaria gracilis, 191 
Arabacia, 3 
Arachnoides, 100 
placenta, 100 
zelandiae, 100 
Arachnoididae, 100 
Araeosoma, 18, 21 
coriaceum, 18, 20, 21 
owstoni, 20, 21 
owstoni, nudum, 20 
parviungulatum, 20 
pellucidum, 21 
tessellatum, 78, 19 
tessellatum carinatum, 19 
arafurensis, Champsodon, 84 
Arbaciidae, 1, 25 
Arbacina forbesiana, 39 
arcuata, Amallothrix, viii, 159 
Scolecithricella, 159 
arcuicornis, Calanus, 190 
Clausocalanus, 190 
Argopatagus, 113, 116 
vitreus, 113, 116 
Arietellus, 165, 166 
aculeatus, 165 
armatus, 165 
giesbrechti, 167 
pavoninus, 167 
plumifer, 168 
setosus, 165, 168 
simplex, 168 
tripartitus, 169, 351 
ariommus, Dysgamus, 201 
armata, Candace, 180 
Candacia, 180 
Euchaeta, 189 
Pontellopsis, 304 
armatus, Aetideus, 169, 172 
Arietellus, 165 
Bradyanus, 173 
Bradyidius, viii, 172, 173 
Chiridius, 189 
Monops, 304 
Pseudocalanus, 159, 172, 173 
Selenechinus, 50 
Undinopsis, 173 
armiger, Gaetanus, 229, 230 
Aspidodiadema, 29 
tonsum, 29 
Aspidodiadematidae, 1, 28 
asterias, Kamptosoma, 8 
Asthenosoma, 21 
coriaceum, 18 
dilatatum, 23 
grubei, 21, 23 
heteractis, 22, 23 
ijimai, 23 
Asthenosoma— Continued 
pellucidum, 21 
tessellatum, 18 
urens, 22, 23 
varium, 21 
Asthenosominae, 2, 10 
Astropyga, 33 
denudata, 34 
radiata, 33 
atlantica, Lucicutia, 264 
Pontella, 290 
Pontia, 290 
atra, Metridia, 263 
attenuatus, Calanus, 207 
Eucalanus, 207 
Heteroptilus, 239 
Pontoptilus, 239 
Auchenalepoceps, 53 
Augaptilus, 170, 185, 205 
anceps, 170 
bullifer, 204 
cucullatus, 185 
elongatus, 204 
facilis, 204 
gibbus, 205 
glacialis, viii, 170 
hecticus, 205 
horridus, 185 
laticeps, 205 
longicaudatus, 170 
longimanus, 205 
magnus, 206 
megalurus, 171 
nodifrons, 206 
oblongus, 206 
palumbii, 207 
rattrayi, 185 
rigidus, 207 
squamatus, 207 
Aulodonta, 28 
aurivillii, Calanopia, 174 
auronitens, Sapphirina, 319 
auropecten, Scolecithricella, 143 
334 
Scolecithrix, 332 
australis, Coelopleurus, 27 
barbata, Corynura, 345 
Euchaeta, 276 
Pareuchaeta, 276 
barbatus, Tortanus, 345 
Bathycalanus, 171 
richardi, 171 
Bathypontia, 171 
elongata, 171 
minor, 171 
bella, Euchirella, 218 
Belonichthys, 57 
bengalensis, Brissopsis, 128, 129 
bicolor, Salmacis, 43, 44 
bicuspidata, Sapphirina, 320 
bidentatus, Phyllopus, 287 
bipinnata, Candace, 180 
Candacia, 180 
bisinuata, Euchaeta, 276 
Pareuchaeta, 276 
VOL. 14 
, 332 
