1910.] 



NATURAL SCIENCES OF PHILADELPHIA. 



703 



Epiga^a repens 582 



Eragrostis pectinacea 545, 555 



pilosa 583 



Ereehtites lueracit'olia 583 



Ericia elegans o-L* 



Ericiidae 522 



Erimyzon sucetta oblongus 002 



Eritettix naviculus 626 



simplex 616, 625. 630 



tricarinatus 626 



virgatus 626 



Erustia.. 520 



ernsti 520 



Esox americanus 602 



reticulatus 602 



viridis 606 



Eucarphus 498 



benzoni 496 



dirampha 495 



lunulifera 495 



serratus 495 



Euconulus 131 



chersinus. 131, 133 



fulvus 131-133 



f. alaskensis 51, 131, 133 



polygyra tus 133 



Eudistemma 117 



Euglandina cumingi 503 



sowerbyana 502 



striata 503 



Eulamia obscura 599 



Eulota similaris 664-666, 668 



Eunarce 472 



Eunoe 361 



barbata 334 



ca?ca 338, 353 



truncata 336 



Eunotia 460 



Eupatorium aromaticum 574 



perf oliatum 546, 574 



pubescens 547, 574 



Euphorbia corollata 581 



maculata 581 



nutans 581 



Eupomatus 495, 496, 498 



dianthus 498 



elegantulus 497 



floridanus 498 



gibbosus 601, 602 



sanctse-crucis 498 



uncinatus 498 



EutEenia brachystoma 149 



Euthamia nuttallii 575 



Eutrochatella 525 



pulchella 524, 525 



Euvanessa 297 



Evarne forcipata 358 



impar 353 



sexdentata 357 



Exocoetus volitans 601 



Falcata comosa 580 



Felichthys marinus 600 



Ferussacidse 135 



Festuca octoflora 58 1 



Filigrana huxlevi 492 



Finibristylis laxa 546, 548, 549, 556 



Fistularia tabaoaria 601 



Fundulus heteroclitus maerolepi- 



dotus 600 



lucise 600 



majalis 601 



Galium asprellum 582 



boreale 547, 549, 573 



pilosum 573 



triflorum 582 



Gambusia gracilis 600 



Garnet 539 



Gattyana 343 



senta 361 



Gaylussacia baccata 546, 570 



Gasterosteus aculeatus 600 



Gentiana crinita 548, 571 



Geomelania elegans 521 



fortis '.... 510 



gracilis 521 



(Scalatella) microglypta....521, 532 



minor 521 



(Scalatella) pygmsea 521, 532 



Gerardia pupurea 572 



p. parvula 546, 548, 549, 572 



tenuifolia 546, 573 



Ginkgo 317 



Gnaphalium polycephalum 577 



Gomphocerus 630 



carinatus 626 



simplex 626 



Gomphonema 460 



Gryllidie '. 8, 590, 644 



Grvllotalpa 304 



Gryllus 648 



abbreviatus 10, 648 



americanus 648 



assimilis 10 



bermudensis 8, 10 



l'asciatus 649 



firmus 597 



luctuosus 10 



neglectus 616, 647 



pennsvlvanicus 647, 6 18 



rubens 597, 648 



tuberculatus 630 



Guppya 520 



browni 503, 509 



gundlachi 503, 520 



selekai 509 



Gyrostachys gracilis 560 



Habroconus 520' 



Halosydna insignis 329, 331 



brevisetosa 330 



californica 329, 331 



interrupta 331 



parva 330 



patagonica 330 



pulclira 32S- 



