1910.] 



NATURAL SCIENCES OF PHILADELPHIA. 



705 



Hypsilepis ardens 292 



coccogenis 285 



cornutus cerasinus 284 



c. cyaneus 284, 285 



c. frontalis 284 



dipkemia 292 



frontalis 284 



galacturus 288 



Idiostatus variegata 17 



linmersidens 135, 136 



Impatiens biflora 581 



Ischnoptera 409, 615, 616 



americana, 409, 410, 412, 420, 449 



bolliana, 410, 412, 447, 449, 450, 



451, 586, 616, 620 



borealis, 410, 412, 413, 436, 444. 



586, 616, 620 



consobrina 4&0, 451 



couloniana, 409, 411, 413, 427, 



430, 433. 435, 616, 618, 619 



deropeltiformis, 409, 410, 412, 414, 



416, 418, 449, 667 



deserts? 413, 449 



divisa, 409, 411, 413, 430, 618, 620 



hyalina 433, 435, 619 



inaequalis 425, 427, 428, 433 



insolita 410, 412, 413, 450 



johnsoni, 409, 410, 412, 417, 418, 



449, 618 



lata 433 



major 43% 



marginata 429 



nortoniana 4%% 



nigricollis....409, 410, 412, 416, 417 



notha 409, 411, 413, 442 



occidentals 410, 411, 413, 451 



pensylvanica, 409, 411, 413, 422, 

 423, 425, 427-429, 431, 432, 



616, 618 



p. inaequalis, 409, 411, 413, 425, 



426, 427, 435 



translucida 4%% 



uhleriana, 409, 411, 413, 436, 437, 



439, 440, 442, 444, 446, 450, 



616, 619, 620 



u. Mvescens, 409, 411, 413, 439, 



441, 585, 820 



unicolor 436, 487, 439, 440 



Juncoides campestre 558 



Juncus acuminatus 558 



aristulatus 548, 558 



effusus 558 



mai'ginatus 558 



secundus 545, 548, 558 



tenuis 558 



Juniperus virginiana 546, 550 



Kakerlac schaefferi 447, 449, 620 



Kaliella 131, 664 



turbinata 666, 667 



Kalmia latifolia : 581 



Ivneiffia fruticosa 569 



linearis 569 



Kocllia flexuosa 546, 572 



Labia burgessii 585 



minor 585 



Labidura bidens 4 



riparia 4 



Labiduridtu 4 



Labiidae 585 



Lacinaria spicata 548, 575 



Laetuca spicata 583 



Laetmonice 371 



pellucida 386 



producta wyvillei 371, 386 



Lagisca elizabethi 350 



crosetensis 341 



multisetosa 340, 341 



m. papillata 341, 342 



yokohamiensis 343 



Lampugus punctulatus 601 



Laphria 296 



Laumontite 53S 



Leanira 391 



alba 387 



areolata 391 



Lechea leggettii 568 



minor 568 



racemulosa 568 



Lepidasthenia gigas 330 



Lepidonotus carinulatus 334 



clavis 330 



ca?loris 333, 334 



grubei 330 



insignis 330 



sp 334 



sublevis 330 



Lepidosteus ayresii 605 



(Atractosteus) berlandieri 611 



copei 605 



crassus 606 



elisabeth 605 



grayi 610 



harlani 605 



horatii 605 



lamarii 605 



latirostris 609 



leptorhynchus 606 



lesuerii 605 



louisianensis 606 



manjuari 611 



milberti 606 



otarius 605 



piquotianus 605 



semiradiatus 605 



smithii 605 



thompsoni 606 



troostii 605 



Lepisosteidir 604 



Lepisosteus 604 



albus 611 



bison 605 



clintonii 604, 606 



ferox 611 



gavial 606 



