Haloptilus—Continued 
fons, 236 
longicornis, 236 
mucronatus, 236 
ornatus, 236 
oxycephalus, 237 
spiniceps, 237 
tenuis, 237 
validus, 237 
hamata, Acartia, 152, 351 
hamata, Ichthyophorba, 187 
hamatus, Centropages, 187 
hansenii, Kuchaete, 282 
Pareuchaeta, 282 
Hapalosoma, 21 
pellucidum, 21 
Harpacticus, 237, 345 
chelifer, 237 
hastigera, Salenia, 24 
Salenocidaris, 24, 25 
haswelli, Rhinhoplichthys, 73 
hebes, Euchaeta, 212 
hecticus, Augaptilus, 205 
HWuaugaptilus, 205 
helenae, Scottocalanus, 143, 338 
Undina, 338 
helgae, Phyllopus, 288 
helgolandicus, Calanus, 178 
Cetochilus, 178 
Heliases, 78 
Hemiaster, 120 
expergitus, 120, 121 
expergitus gibbosus, 120 
gibbosus, 120, 121 
Hemiasteridae, 119 
Hemicalanus, 187 
acutifrons, 235 
calaninus, 186 
chierchiae, 236 
filigerus, 205 
longicaudatus, 170 
longicornis, 236 
mucronatus, 236 
ornatus, 236 
oxycephalus, 237 
spiniceps, 237 
hemilepidota, Scorpaena, 68 
Hemipedina indica, 38 
Hemiphormosoma, 8 
paucispinum, 2, 8, 9 (fig.) 
Hemirhabdus, 238 
grimaldii, 238 
latus, 238 
hessei, Euchaeta, 226 
Hessella cylindricum, 285 
heteractis, Asthenosoma, 22, 23 
Heteramalla, 238 
dubia, 238 
Heterocentrotus, 52 
mamunillatus, 52 
Heterochaeta, 239 
abyssalis, 239 
clausii, 239 
grimaldii, 238 
longicornis, 241 
major, 241 
INDEX 
Heterochaeta—Continued 
norvegicus, 240 
papilligera, 240 
spinifrons, 240 
Heteroptilus, 238 
acutilobus, 238 
attenuatus, 239 
Heterorhabdus, 239 
abyssalis, 239 
clausii, 239 
latus, 238 
norvegicus, 240 
papilliger, 240 
robustus, 240 
spinifrons, 240 
Heterostylites, 241 
longicornis, 241 
major, 241 
hirsutus, Plesiozonus, 118, 119 
Plexechinus, 111 
hirtipes, Onchocalanus, 273 
Holectypoida, 94 
Homolampas, 117, 118 
fragilis, 117 
lovenioides, 117 
hoplacantha, Echinosoma, 14 
Hygrosoma, 14, 17 
Phormosoma, 14 
horridum, Plesiodiadema, 29 
horridus, Augaptilus, 185 
Centraugaptilus, 185 
humilifrons, Lophothrix, 143, 250 
humilis, Clypeaster, 96 
Meijerea, 113 
Phrissocystis, 113 
Hyalophyllum vitreum, 192 
Hygrosoma, 11, 14, 16 
hoplacantha, 14, 17 
luculentum, 2, 16, 17 
hyperboreus, Calanus, 178 
Hypselaster, 121 
affinis, 121 
brachypetalus, 123 
fragilis, 122, 123 
Ichthyophorba hamata, 187 
violacea, 188 
ijimai, Asthenosoma, 23 
impar, Phyllopus, 288 
incertus, Tigriopus, viii, 344 
incisa, Huchaeta, 283 
Pareuchaeta, 283 
indica, Caenopedina, 38 
Hemipedina, 38 
indicum, Dermatodiadema, 28 
Phormosoma, 4, 7 
Plesiodiadema, 28 
inermis, Gaetanus, viii, 231 
Spatangus, 131 
Iniomi, 53 
insignis, Ophiosphaera, 32 
Valdiviella, 350 
insolita, Labidocera, 244, 351 
insolitus, Scaphocalanus, 327 
intermedia, Euchirella, 220, 226 
intestinata, Sapphirina, 320 
451 
