INDEX. 429 



Page. 



Anophalis margaritacea 270 



Anosia plexippus 68, 208, 2T1, 274, 275 



AnthQiwmus corvulus 21] 



Anthophagus vertlcalis 206 



Ant 12, 15, 22, 23, 30, 65, 67, 69-75, 77, 95, 221, 256, 317, 325 



Anthemois sp 318 



Authomyidae 315 



Anthrax fulviana 311 



morio '■ 311 



seminigra 311 



Anthus pensylvanicus 379 



Antiopa butterfly 270 



Antrostomus vociferus 356 



Ant-lion 262 



Apanteles sp 321 



Aphis 313 



Apion sp 211 



Aplexa hypnorum ,. 292 



Apocynaceae 245 



Apocynum androsaemifolium 245 



Apple family 237 



Aguilegia canadensis 240 



Arabis brachycarpa 24 1 



Araceae 238 



Arachnids 30, 253, 25S 



Aradidae 261 



Aradus abbas 261 



Aralia hispida 244 



nudicaulis 220, 244 



Araliaceae 244 



Arbor vitae 11, 13, 16-18, 22-24, 26-30, 65, 66, 68, 78, 81, 84, 139, 159, 235 



Arctic district 171 



Arctic pearl-wort 240 



raspberry 242 



three-toed woodpecker 119, 142. 340, 355 



Arctostaphylos uva-ursi 222, 224, 244 



Arethusa bulbosa 239 



Argynnls 22 



atlantis 21, 64, 72-74, 267, 269, 270, 273, 275 



cypris 267, 269, 27.". 



my rina 72 



Argyrosomus artedl 330 



nigripinnis 330 



Arid deserts 131 



Aristolochiaceae 240 



Arizona, insects 165, 168, 171, 172, 174, 175, 177, 312 



Aronia nigra 237 



Arpediuni sp 20(i 



Arrow-grass family 233 



Arsapnia rernalis 30G 



Artemisia canadensis , 222. 24S 



Arthemis butterfly 271 



Artificial clearings, insects , 77 



Arum family 238 



Asarum canadense 240 



Asclepias incarnata 271 



Asilidae 308, 312 



Asilld flies 74 



Asllns annulatus 22, 74, 312 



Asio magellanicus occidentalls 352 



Aspen : 11, 14, 18-21, 24, 25, 27, 28, 31, 76, 85-87, 92, 95, 139, 110, 159, 162 



