1911.] 



NATURAL SCIENCES OF PHILADELPHIA. 



617 



Anchovia encrasicholoides 219 



eurystole 219 



exigua 213 



januarius 216 



lepidentostole 214 



macrolepidota 211 



miarcha 213 



mitchiUi 6, 203, 219 



nasus 219 



perf asciata 211 



perthecat a 214 



platyargyrea 216 



purpurea 214 



scituJa 211,213 



starksi 213 



tapirula 219 



Anchovielia 211 



Androsace septentrionalis 50 



Anemone multifida 50, 94 



Angelica 62, 68 



pinnata 50 



Anguilla chrisypa 7, 203 



Annularia fimbriatula 126 



Antennaria dioica 50 



Apeltes quadracus 3 



Aperostoma (Ptychocochlis) cor- 



rugatum 575 



dubiosum 576 



(Ptychocochlis) varians 579 



Aphredoderus 4, 13 



sayanus 12 



Aphyllon fasciculatum 50, 90 



Aplopappus macronema 50, 93, 94 



suffruticosus 50, 94 



Apocynum androsaemifolium 50, 98 



Apodastyanax 422 



stewardsoni 422 



Apostenus 442 



Aquilegia 27 



ccerulea 51, 88, 93 



Aquillidse 356 



Arabella attenuata 297 



spinifera 298 



Arabis holboelli 51 



ret rofracta 5 1 , 89 



Aracoda cerulea 297 



semimaculata 295 



Area dariensis 362 



Architectonica abbotti 534, 534 



Archosargus probatocephalus 14 



Arcidse 362 



Arctium lappa 51, 85 



Arenaria biflora 51 



congesta 51 



triflora var. obtusa 39, 51, 95, 98 



Argemone mexicana var. hispida, 51, 



88,95 



Argentina sphyrsena 555 



Argentinidse 555 



Argiope aurantia 451 



trifasciata 451 



Argyrodes cancellatus 446 



trigonum 446 



Argyropelecus hemigymnus 571 



Ariadna 395-397 



bicolor 405, 441 



Ariamnes fictilium 446 



Aricia nuda 311 



Aristida 77 



purpurea 51, 86, 95, 99 



Arnica cordifolia 51, 92 



parryi 51, 84 



Artemisia biennis 51, 90 



discolor 52 



dracunculoides 52, 87 



tridentata 26, 36, 40, 52, 90 



Asagena americana 445 



phalerata 412 



Asclepias 35 



Asclepiodora decumbens 52, 90 



Ashmunella 177 



Astarte elliptica 536 



Aster adscendens 52, 88 



Astragalus 26, 64 



iodanthus 52, 81, 85 



junceus 52 



utahensis 52, 92, 95 



Astronotus ocellatus 437 



Astyanax festse 509 



longior 421 



mexicanus 512 



notemigonoides 506 



pectinatus 421 



scierus 509 



simus 512,513 



Atriplex 26,31 



canescens 52, 81 



confertifolia 31, 52, 82, 92 



truncata 31, 53, 80 



Attida; 454 



Atypus.. 394 



Auchenipterime 433 



Aulopidse 563 



filament osus 563 



Avena sativa 53, 86 



Bacillinae 328 



Bairdiella chrysura 16 



Balbiania rileyi 461 



Balistes carolinensis 15 



Balsamorhiza hookeri .32, 53, 79, 84, 86, 



98 



sagittata ....26, 29, 32, 38, 53, 79, 83 



Bascanion constrictor venustum... 231 



flagellum 231 



Bathyphantes galbea 448 



micaria 448 



nigrina 448 



unimaculata 448 



zebra 448 



Batrachoides surinamensis 437 



Batrachoididse 437 



Beckmannia 68, 69 



cruciformis 53, 97 



