1903.] 



NATURAL SCIENCES OF PHILADELPHIA. 



835 



Diadophis a. docilis 542 j 



armd 541 



regalis 541, 553 



Dicselus ovalis 42, 47 



Dichothorax 220,221 



Dicrossus 533 



Dictyna 60,61 



ammophila 130, 133 



benigna 128, 133, 136 



benignum 130 



volupis...99, 128, 130, 133, 135, 136 



Dictynidaj 60, 130, 140 



Dictyophora 365 



vorax 364 



Diemvctylus viridescens 538 



Diorite 397-400 



Diplectrum formosum 329 



Diplodonta punctata 757 



Dipodomj-s ambiguus ^4 



merriami ambiguus 24 



ordii 24 



spectabilis 24 



Distorsio crassidens 279 



Divaricella quadrisulcata 757 



Doliocystidse 640 



Doliocystis rhyncoboli 50, 640 



Dolomedes 140 



idoneus 654 



marginellus 341 



sexpunctatus 654 



urinator 654 



Donax abesa 757 



variabilis 757 



Doras costatus 500 



maculatus 500 



nebulosus 500 



Dosinia discus 757 



Drassidffi 00, 130, 136, 140, 141 



Drassus 60, 61 



neglectus 127, 141 



Drieschia 798 



pelagica 798 



pellucida 794,798 



Drillia eboroides 273 



harmonica 273 



mississippiensis 273 



Drymseus dunkeri 7G5 



emeus 765 



hegewisclii 765 



sulphureus 765 



Drymobius margaritiferus 554 



Dryobates pubescens gairdneri 7, 15 



scalaris bairdi 26 



villosus harrisi 7, 15 



Dj-scologamia 179, 180 



Dytiscus sp 42, 54 



Eciieneididse 336 



Echeneis alba-cauda 336 



Echinomera hispida 44, 51, 52, 640 



microcephala 52, 640 



Echinopsalis 299,300 



Echinopsalis brevibractea 300 



guttata -. 299,300 



Ectobia (Blatta) germanica 44 



Eigenmannia virescens 530 



Eimeria 337 



Elseagnus 353, 354 



Elaps. 297,557 



fulvius 551, 554, 556 



Elater 46 



sp 42 



Erapusinaj 718 



Emvs 557 



Endodontida; 213, 769 



Engystoma carolinense 539 



Enophrys reticulata 129 



Ensis directus 757 



Epeira 60,139 



balaustina 341 



callophylla 132 



circulata 341 



diademata 129,132 



foliata 341 



fusco-vittata 341 



labyrinthea 120, 129, 132 



marmorea 132 



quadrata 132 



theisii 341 



undecim-tuberculata 341 



Epeiridaj, 60, 130, 131, 135, 139, 141, 



144 



Epiblenum scenicum 129 



Epirobia 765 



(Gyrocion) mirabilis 765 



Epiurus 82 



Eremiaphila 701 



Eremiaphila bove 701 



luxor 701 



sabulosa 701 



Eremoblatta 181,189 



Erigeron 590 



Erinna newcombi 790 



Ervilia concentrica 757 



Erycina floridana 756, 758 



kurtzii 759 



Erythrolampus imperialis 554 



Esox barracuda 749 



Eublepharis 556 



variegatus 552 



Eucharia bipunctata 133 



Eucheilodon 275,278 



crenocarinatum 275 



laeviplicata 278 



reticulata 278 



Eueinostomus harengulus 332 



Eumeces 558 



brevilineatus 553 



guttulatus 552 



multivirgatus 553 



obsoletus 34, 548 552 



pachyurus 553 



quinquclineatus 541, 554 



