INDEX 



559 



A. pater soni, 242 

 Anopheles, 555 

 Anophthalmia, 92, 533 

 Anous, 406 



Ant-lion larvae, sessile feeding, 33 

 Antarctic life, 506 

 Antarctic pelagic fauna, 132, 

 Antarctic rotifers, 356, 

 Antarctic sea birds, 484 

 Antedon eschrichtii, 274 

 Anthia guttata, 460 

 Anthrax, 396 

 Antipa, 358 s4 



Antisphodrus navarricus, 534 

 Antonius, 526 

 Antroherpon apfelbecki, 534 

 Ants, of open lands, 446, 460 

 of the rain-forest, 426, 431 

 of the tropics, 402 

 Anuraea aculeata, 339 

 A. cochlearis, 337, 339, 350 

 Anurophorus, 530 

 Apetenus litoralis, 525 



Apex, 88 



Aphanopus carbo, 259 



Aphia, 225 



Aphorura gigantea, 531 



A. stillicidii, 528 



Aphotic stratum, 162 



Aphrodite aculeata, 193 



Aplodinotus grunniens, 130 



Aporrhais pespelecani, 192 



Appellof, 22", 163 45 



Apstein, 239, 247 40 - **, 287«' 50 , 357 5 ' 25 ' "■ 33 



Aptenodytes, 400 



A.forsteri, 386, 486 



A. patagonica, 386, 486 



Ap£en/:r, 389 



,4p-us, 107, 351, 352, 353, 361 



Aquatic animals of open lands, 45S 



Aquatic arthropods, 43 



Aquatic life, effect of man on, 549 

 environmental selection, 24 



Aquila chrysaetus, 554 



Arachnoidia, 346 



Arachnomysis, 260 



Arapaima gigas, 130 



Arbacia, 200 



Ar. pustulosa, 229 



Arboreal habit, 424 



Area, 221 



A. barbata, 200 



Archaeidae, 109 



Archaic forms in abyssal waters, 268 



Arctic avifauna, 512 



Arctic boundaries, 513 



Arctic insects, 507 



Arctic land life, 507 



Arctic mammals and birds, 510 



Arctic pelagic fauna, 133 



Arctic sea birds, 482 



Arctictis, 128, 425 



Arctocephalus, 406 



Arenicola, 152, 158, 166, 182, 183, 184, 



190, 191, 196 

 Argynnis, 508 

 A. euterpe, 494 

 A. modesta, 494 

 Argyropelecus, 260 

 A. affinis, 257, 261 

 A. hemigymnus, 250 

 A. olfersi, 282 

 Arianta arbustorum, 416 

 Aricia armiger, 191 

 A. norvegica, 194 

 Arion empiricorum, 379, 380 

 Aristaeus, 260 

 Arius, 60 



Arldt, 111, 120 4 ^ "• 61 , 526 

 Armadillidium, 44, 47, 378, 466 

 A. nasutum, 45 

 Arrhenius formula, 15 

 Artacama proboscidca, 194 

 Artemia, 13 



narrow ecological valence, 21 

 A. fertilis in Great Salt Lake, 11, 370 

 A. salina, 8, 9, 25, 30, 122, 124, 296, 371, 



372 

 Artemisia, 452 

 Arthur, 475, 488 10 

 Artom, 163 60 

 Arum, 475 

 Ascidians, distribution of genera, 24 



vicarious forms, 80 

 Asellus, 292, 310, 533 

 A. cavaticus, 333, 374, 531, 534 

 A. communis, 534 

 Asio accipitrinus, 128 

 A . flammeus, 407 

 A. otus, 543 



