INDEX. 
224 
Cancer dentatus, xiii. 151 
dodecos, 171 
dormia, 175 
dromia, 175. 296. 
fluviatilis, 155 
gammarus, 189 
grossimanus, 209 
spinosus, 210 
germanus, 327 
granulatus, 173 
grassipes, 21 1 
hexapus, 185 
homarus, 304 
lanatus, 174 
latipes, 147. 150 
latro, 180 
macrouri, 287 
maculatus, 152 
maenas, 150. 273. 280 
maia, 172 
mantis, 200 
marinus, 304 
monoculoides, 206 
Norvegicus, 188 
organization of, 230 
pagurus, 151, 152. 273 
palmatus, 209 
pedatus, 214 
platy chiles, 185 
puber, 1 50. 273 
pulex, 209 
rhomboides, 156 
rubricatus, 210 
ruricola, 160. 294 
salinus, 350 
setiferus, 190 
spinifrons, 154 
squinado, 166 
superciliosus, 168 
symnista, 178 
uca, 159 
what called, 275 
Canolira, {Leach) 218 
Caprella, ( Lamarck ) 214 
Carcinoida, ( Latr .) 325 
Carcinion, what called, 180. 304 
Carcinos potamios, 278 
Carcins of Dr. Leach, 276 
Cardisoma, {Latr.) 159 
Carides, 189 
Caris, {Lat.) 508 
Carpilius, {Leach) 152 
Cecrops, de Latreille, 375 
{Leach) 375 
Cephalothorax, {Lat.) 372 
Cerapus, {Say) 210 
tubularis, 210 
Ceriques, the, 288 
Cheliceres, {Lat.) 360 
Chelifer, {Geoff.) xiii. 497 
feet of the, 520 
the genus, 518 
cancroides, 518 
Cheliferi, body of the, 519 
Chetopoda, the, 41 
arrangement of the, 49 
body of the, 53 
colour of the, 58 
difference in the rings of, 57 
digestive apparatus of, 63 
distinction of the, 50 
food of the, 74 
gill of the, 55 
internal organization of the, 60 
intestinal canal of the, 59 
rings of the, 54 
liver of the, 66 
mastication of the, 65 
nervous system of the, 71 
observations on the, 47 
organization of the, 52 
setae of the, 56 
where placed, 51 
Chetopods tubicolous, 75 
Cheyletus, {Lat.) 504 
Chilodorus, {Leach) 347 
Chirocephale diaphane, 351, 352. 354. 
Chirocephalus, {Jurine) 350 
Chloeia, (Sav.) 18 
Chaetopterus, ( Cuv .) 27 
Pergamentaceus, 28 
Chorinus, {Leach) 166 
Chrysodontes, {Aken.) 14 
Cilicaea, {Leach) 221 
Latreillii, 221 
Cire apoa, 278, 288 
Cirolana, {Leach) 219 
Cirrhatulus {Lam.) 25 
Lamarckii, 25 
Cirrhinere filigere, 25 
Cistenae {Leach) 14 
Citigrades, the, 425 
Cladocera, {Cuv.) 337 
{Lat.) 326 
Clepsina, {Sav.) 35 
paludosa, 35 
Clitellio, {Sav.) 29 
Cloportes, 318 
Cloportides, {Latr.) 318 
Clorodius of Dr. Leach, the, 151 
Clotho, ( Walck.) 404 
Durandii, 405 
Clubiona, {Lat.) 409 
Clymena, {Sav.) 31 
amphistoma, 31 
Ebiensis, 31 
lumbricalis, 31 
Condylura, {Lat.) 328 
