222 
INDEX, 
Amphitritea chetopoda heterocrisina, 
xiii. 9 
Amphitrites, skin of the, 86 
Amymone, ( Muller ) 332 
Ancoeus, head of the, 236 
Anceus, (Riss.) 212 
forficularis, 212 
Animal-flower, the, 11 
Annelida, the, 3. 6. 
the setigerous, 41 
supplement to the, 37 
Annelides, when first named, 48 
Anomala, 177 
Anthosoma, (Leach) 374 
Smithii, 374 
Anthura, (Leach) 222 
antennae of, 219 
Antonomea, (Risso) 193 
Olivii, 193 
Aphrodita, (Lin.) 25 
aculeata, 26. 76 
cirrhosa, 26 
clava, 27 
liystrix, 26 
lepidota, 26 
plana, 27 
punctata, 26 
squamata, 6. 26 
Aphroditae, of Pallas, 18 
blood of the, 6 
Aphrodite aculeata, 67 
carunculata, 18 
Apoda, (Blain.) 76 
Apseudes, (Leach) 211 
Apus, (Scop.) 355 
annulated body of, 238 
canciformis, 359 
Montagui, 359 
vert, 359 
Aquatic-fleas, what called, 270 
Arachneida, egg of the, 2 
Arachnida, the, 4. 131 
abdomen of the, 439 
body of the spinning, 440 
feet of the, 442 
organs of manducation of, 441 
supplement to the, 438 
supplement on the trachean, 
510 
web of the, 447 
Arachnides, the, 383 
the pulmonary, 385 
the trachean, 385. 495 
Araign^e a bandes blanches, 432 
& chevrons, 432 
domestique a longues pattes, 412 
mafonne, 399 
mineuse, 399 
Araignges-crabes, 398 
Aranea, (Lin.) xiii. 387 
aquatica, 410 
avicularia, 397 
avicularia, bite of, 554 
cancer, 448 
cementaria, 464 
cicatrosa, 416 
citrea, 424 
conica, 417 
cucurbitina, 417 
diadema, 416 
esuriens, 415 
Florentina, 408 
formicaria, 432 
globosa, 424 
impressa, 416 
irregularis, 424 
labyrinthica, 468 
levipes, 422 
mactans, 411 
picea, 401 
saccata, 428 
sanguinolenta, 431 
Sauvagesii, 400, 464 
scalaris, 416 
scenica, 432. 485 
senoculata, 417 
smaragdula, 419 
tarantula, 428 
tredecim guttata, 411 
viridissima, 419 
Araneides, 387 
bite of the, 394 
body of the, 452 
diving bell of the, 469 
the wandering, 449 
the young, 451 
Araneus amentatus, 428 
margaritarius, 422 
Arborescent aquatic flea, 338 
Arcania, (Leach) 162 
Arcturus, (Latr.) 223 
tuberculatus, 223 
Arcuata, 151 
Arenicola, 91 
(Lam.) 17 
clavata, 18 
gills of the, 92 
oesophagus of the, 93 
piscatorum, 17 
what called, 41 
Argas, (Lat.) 507 
perricus, 507 
Argule foliac^e, 370 
Argulus, (Muller) 866 
charon, 369, 370 
delphinus, 370 
foliaceus, 365 
Argyroneta, (Lat.) 410 
