INDEX 
545 
coxal glands, 257; endosternite, 257 ; 
sense-organs, 257 3 classification, 258 
Araneae, 258, 314 f. 
Araneida, 314 
Araneina, 314 
Avraneus, 408 n. 
Aratus pisonii, 195 
Arbanitis, 388 
Archaeolepas, 84; A. redtenbachert, 84 
Archea, 411; <A. paradoza, 383; A. 
workmant, 411 
Archeidae, 321, 417 
Archisometrus, 306 
Arctic zone, 199 
Arcturidae, 72 
Arcturus, 127 
Arcyinae, 410 
Arcys, 410 
Arethusina, 223, 230, 251; A. konincki, 
250 
Argas, 457, 469; A. persicus, 469; A. 
reflecus, 469 
Argasidae, 469 
Arges, 252 
Argiope, 408; A. aurelia, 340, 379; A. 
bruennichi, 408; A. cophinaria, 349, 
365 ; A. trifasciata, 408 
Argiopidae, 406 n. 
Argiopinae, 408 
Argulidae, 76 
Argulus foliaceus, TT 
Argyrodes, 402; A. piraticum, 367; A. 
trigonum, 367 
Argyrodinae, 402 
Argyroneta, 336, 415 ; A. aquatica, 357, 
415 
Ariadna, 395 
Ariamnes, 402 ; A. flagellum, 318 
Arionellus, 247 
Aristaeus, 162; A. crassipes, 159; A. 
coruscans, phosphorescence, 151 
Armadillidium, 129 
Artema, 401 
Artemia, 23, 24, 35; <A. fertilis, anal 
region, 23; head, 26; limb, 27; A. 
salina, 23, 33, 36; A. urmiana, 23 
Arthrolycosa antiqua, 383 
Arthropoda, 4; segmentation, 7; a 
natural group, 17 
Arthrostraea, 121 
Asagena, 404 
Asaphellus, 249 
Asaphidae, 249 
Asaphini, 243 
Asaphus, 222, 225, 227, 229, 235, 236, 
249; A. cornigerus, 227; A. fallax, 
eye, 228; A. kowalewsku, 227; <A. 
megistos, 236; A. platycephalus, 236 
Ascidicola rosea, 66 
Ascidicolidae, 66 
Asconiscidae, 730 
Ascorhynchus, 505, 533; A. abyssi, 506, 
VOL. IV 
509, 519; A. cryptopygius, 513 n.; A. 
minutus, 517 ; A. ramipes, 513 n. 
Ascothoracica, 93 
Asellidae, 128 
Asellota, 127 
Asellus,, 127 * habitat, 209% 211 = Ae 
aquaticus, 127, 209; A. cavaticus, 209, 
210; A. forelu, 209 
Aspidoecia, 76 
Astacidae, 157 ; distribution, 213, 216 
Astacoides, 157 ; distribution, 213 
Astacopsis, 157; distribution, 213; 4A. 
Sranklini, 214 
Astacus, 104, 157; appendages, 10 ; dis- 
tribution, 213 ; hermaphroditism, 104 
Astacus gammarus (= Homarus vulgaris), 
154 
Asterocheres violaceus, 67 
Asterocheridae, 67 
Asterope oblonga, 108 
Astia, 421; A. vittata, 381 
Astigmata, 465 
Astridium, 540 
Aor reA Gaye AL. 
bonzi, 472 
Atelecyclidae, 190 
Atelecyclus, 191 ; respiration, 189 
Atops, 247 
Attidae, 376, 381, 419 
Attus, 421; A. pubescens, 372, 421; A. 
saltator, 372, 421 
Atya, 163 
Atyephyra, 163; habitat, 210 
Atyidae, 159, 163 ; distribution, 212 
Atypidae, 390 
Atypoides, 391 
Atypus, 391; A. abboti, 356; A. affinis, 
356, 391; A. beckii, 391 
Auditory organ, of Anaspides, 116; of 
Decapoda, 153; of Mysidae, 119 
Augaptilus jfiligerus, 59 
Austrodecus glacialis, 535 
Austroraptus polaris, 535 
Autotomy, 155 
Avicularia, 389 
Aviculariidae, 316, 327, 386; bite of, 
365 ; poisonous hairs of, 365 
Aviculariinae, 389 
Axial furrows, 223 
alticola, 472; A. 
Baglivi, 361 
Baikal, Lake, Crustacea of, 212 
Balanus, 91; B. porcatus, shell, 90; B. 
tintinnabulum, 91; anatomy, 90 
Ballus variegatus, 420 
Barana, 506, 518, 533 ; B. arenicola, 512, 
518, 533 ; B. castelli, 512, 513 n., 533 
Barnacles, origin of term, 79 
Barrande, J., on development of Trilobites, 
238 ; on their classification, 243 
Barrandia, 249 
Barrois, 435 n. 
2N 
