INDEX. 



New genera in fall face, new species and varieties in small capitals, synonj'ias in 



italics. 



Abronia Cycloptera 313 



fragrans 314 



turbinata var. marginata 313 



Acanthocottus polyacanthocottus 556 



Achorutes 186 



armatus 187 



viaticus 186 



Actinella leptoclada 302 



Adiantuin capillus-veneris 275, 328 



Adicranus 186 



iEchmophorus occidentalis 14 



Agonidae 558 



Agonostomus nasutus 263 



Agosia chrysogaster 260 



Akidoproctus 34, 61, 65, 460 



Albatross, Short-tailed 25 



Allionia incarnata 313 



Alloxacis 385, 395 



dorsalis 396 



floridana 396, 397 



nitidula 371, 396. 397 



pleuralis 396 



Amblycera 61, 68 



Key to Genera of Suborder of 62 



Ambrosia 300 



Acanthrocarpa 300 



Ameiurus dugesii 258 



Ammodytidse 550 



Ammodonus fossor 370 



Ammodytes personatus 550 



Ampelopsis quinquefolia 275, 286 



Amsonia angustifolia 272 



var. Texana 305 



brevifolia 306 



Ancistrona..38, 63, 72, 443, 445, 447, 460, 528 



gigas 150, 433, 459 



mouth-parts of 434 



Andropogon scoparius 326 



Anemone Californioa 423 



Anoplarchus atropurpureus 562 



Anurida 186 



maritima 187 



Anurophorus laricis 186 



Aplopappus gracilis 272, 295 



Apoeynum cannabinum 305 



Apodichthys fiavldus 562 



Apterygogenea, North American 169 



Aquilegia micrantna 274, 279, 280 



Arbaciosa 201 



Arbaciosa eos 230 



humeralis 230 



rbessodon 230 



Ardea herodias 29 



Arenaria Fendleri 284 



melanocephala 363 



Argemone alba 281 



intermedia 281 



Aristida purpurea 326 



Arizona, Eeptiles from 338 



Artedius asperulus 549, 553 



Artemesia tridentata 272 



Ascelichthys rhodorus 557 



Asclepias involucrata var. tomentosa.. 306 



stenopbylla 307 



Asclera 385, 402, 404, 414, 416, 417 



discolor "405 



erythrocephala 405, 406 



excavata 405, 407 



nigra 405,406 



puncticollis 405, 406 



runcollis ,.405,407 



Asida fl accida 370, 379 



Aspidophoroides inermis 558 



Aster canescens var. aristatus 296 



Ik vis 296 



multifiorus 296 



spinosus 279, 295 



Astragalus Preussil 288 



sabulonum 288 



subcinereus 288 



Atsenius cognatus 370 



inops 370 



Atheropogon oligostachyum 327 



Atriplex 273, 315 



canescens 315 



CAPUT-MEDUSffl 316 



conf ertifolia 315 



cornuta 316 



porrellii 315 



truncata 315 



Atropos 464, 468, 470 



Auchenopterus asper 232 



Auklet, Cassin's 17, 355 



Bhinoceros 16, 360 



Aulorhynchidas 550 



Aulorhynchus fiavidus 550 



Averruncus emmelane 560 



Avocettina gillii 206 



