452 
HET 
Gnathia, 337; 
mide, 362 
Hetairus, 234; difficulties in the 
way of accepting, 235 
Heterocarpus, ensifer, 238; cari- 
natus, 239 
Heterocrypta, Maltzani, Marionis, 
122 
Heterocuma, Sarsii, var. granulata, 
304 
Ileteromysis, 267 ; formosa, 273 
Heterophryxus appendiculatus, 
400 
Heterotanais, 323; 
stedi, tenuis, 327 
Hexapoda, alias Insecta, 3 
Hexapus, explanation of the name, 
102; relations of, 103 
Hieroglyphics, pinna and crab in, 
100 
Hippa, 149; 
150 
Hippide defined, 149 
Hippinea defined, 149 
Hippolyte, 234; Gaimardii, var- 
ians, 235; Cranchii, fascigera, 
Liljeborgi, Mitchelli, pandali- 
formis, Prideauxiana, producta, 
pusiola, securifrons, spinus, 
viridis, Whitei, 236; Thomp- 
soni, 237 
Hippolytide defined, 233 
Hoek, Dr. P. P. C., on Dajus my- 
sidis, 399 
Holothuriaphilus, 101 
Homarid, reason for discarding 
the name, 201 
Homarus, a synonym of Astacus, 
201 
Homola, barbata, Cuvieri, orienta- 
lis, 137 
Homolide defined, 137 
Homologenus, 138 
Homolopsis preoccupied, 138 
Horse-shoe Crab, 17 
Hoyle, Mr. W. E., on larval stages 
of Euphausiide, 265 
Huenia, curious derivation of, 107; 
elongata, heraldica, proteus, 
discussion of, 107, 109 
Huxley, Professor, terms used by, 
on the Sphezero- 
limicola, Or- 
emeritus, talpoida, | 
A HISTORY OF RECENT CRUSTACEA 
ION 
36; on the maxillary fan, 41; 
on ‘ palp’ and ‘ flagellum,’ 192 ; 
on branchize of Nephrops, 202; 
on Amurland Cray-fishes, 208 
Hyas, 113; araneus, coarctatus, 
small specimen of, 114 ; curious 
habits of, 114 
Hyatt, Mr. Alpheus, 
Guides by, 40 
Hyleeocarcinus, 79, 80; Humei, 84 
Hymenodora, 245 
Hymenosoma orbiculare, 101 
Hyperidea, tribe of Amphipoda, 
436; specimens on jelly-fishes, 
22; large species of, 30 
Hypoconcha, 135; sabulosa, ex- 
amined by Herbst, 136 
Hyssura, 331; producta, 333 
Science 
IAIs Hargeri, 378 
Ianthe, speciosa, Bovallii, 378 
Ianthopsis Bovallii, 378 
Iathrippa longicanda, 378 
Ibaccus, mis-spelling of Ibacus, 
193 
Ibacus, incisus, verdi, 193 
Ichthyophilus, synonym of Nero- 
cila, 351 
Ichthyoxenus, Jellinghausii, mon- 
tanus, 355 
Icotopus, meaning of name, 254 
Idotea, emarginata, lacustris, 
linearis, marina, metallica, 
pelagica, sexlineata, tricuspi- 
data, 373 ; acuminata, appendi- 
culata, longicaudatus, parallela, 
prismatica, 374 
Tdoteidz defined, 372 
Ilyarachna, longicornis, 
spinosa, 386 
Ilyoplax, 93 
Inachidz defined, 104 
Inachus, dorsettensis, dorynchus, 
leptochirus, 106 
quadri- 
Insecta, extent of class, at present, 
3; formerly, 57 
Insect, crab spoken of as an, 95 
Tolanthe, 378 
Ione, cornutus, Benue thomsdoail 
vicina, 414 : 
