INDEX TO MAY FLIES AND MIDGES OF NEW YORK 



341 



Ephemera, 23*, 2&; explanation of 

 figure, 331^ ; venation of fore 

 wing of, figure, 22. 



varia, 18^ 

 Ephemerella, 25^ 27^ 41»-42^ 



sp.1, 42\ 46'-47*; explanation of 

 plate, 317^, 317^ 



sp. ? near ignita, 45''-46\ 



bispina, 18% 42% 43^-45% 45^ 45^ 

 explanation of plate, 317% 317^ 



excrucians, 18", 41% 42% 46% 47^; 

 explanation of plates, 317% 317% 



grandis, 43% 43% 



ignita, 41% 43% 45% 



inermis, 46% 



unicornis, 45% 



walkeri, 43% 

 Ephemeridae, 11, 12% 15-; by J. G. 



Needbam, 17^-62"; life history, 



19^; structure, 19'-22'; classifica- 

 tion, 28^-30% 

 Ephemerinae, 22% 26% 28% 29% 59*^- 



62% 

 Eretmoptera, 89^ 93% 113«-15°; ex- 

 planation of plate, 329% 



browni, 114=^-15% 118% 

 El"ickson, cited, 78% 

 Eristalis, 13% 



Eurycnemus, 92% 199% 297% 297^- 

 98"; key to species, 298% 



sp., explanation of plate, 328% 



aestivus, 299% 



lasiomerus, 298% 299% 



scitulus, 298% 298% 



unicolor, 298% 299% 

 Eutanypus, 90^, 93% 178=^-79% 



borealis, 178% 178^-79%. 

 Euthyplocia, 23% 26% 

 exagitans, Metriocnemus, .§ee Metri- 



ocnemus exagitans. 

 excrucians, Ephemerella, see Ephem- 

 erella excrucians. 

 exiguus, Tanytarsus, see Tanytarsus 



exiguus. 

 exilis, Oricotopus, see Oricotopus 



exilis. 

 Explanation of plates, 316^-30% 

 extremus, Campfocladius, 260% 264% 



Fabricius, J. C, cited, 242% 3ir-12% 



Fabricius, O., cited, 311". 



fallax, Chironomu3, see Chironomus 

 fallax. 



fasciata, Ceratopogon, 104% 



fasciata, Heteromyia, 109^*. 



fasciatus, Ceratopogon, 107% 



fasciatus, Tanypus, 159% l.o9% 



fascipennis, Chironomus, 191% 203% 

 204% 



fastuosa, Ablabesmyia, see Ablabes- 

 mjaa fastuosa. 



fatigans, Tanytarsus, see Tanytar- 

 sus fatigans. 



femoralis, Hydroptila, 67% 



femoratus, Ceratopogon, 105% 108% 



femorafus, Melanoplus, 14^^-15% 



Ferguson, W. H., work of, lO'^. 



ferruginea, Callibaetis, 18% 



ferrugineovititatus, Chironomus, 



197% 238^-39% 



festivus, Chironomus, 196% 234% 

 242% 



Figures, legenda to, 331% 



fimbriatus, Chironomus, 198% 198% 

 245% 



Fitch, cited, 275% 312% 



flavellus, Tanytarsus, see Tanytar- 

 sus flavellus. 



flaveola, Ablabesmyia, 138% 151% 

 l."2% 



flavicinctus, Procladius, 126% l£i2% 



flavicingula. Chironomus, see Chiro- 

 noimus flavicingula. 



flavifrons, Ablabesmyia, see Abla- 

 besmyia flavifrons. 



flavifrons, Metriocnemus, sec Metri- 

 ocnemus flavifrons. 



flavipennis, Heptagenia, 54% 



flavipes, Ceratopogon, lOO". 



flavus, Chironoimus, see Chironomus 

 flavus 



flavus, Orthocladius, see Orthocla- 

 dius fla^Tis. 



Forbes, cited, 79% 812% 



forcipatus, Anatopynia, 135% 



Forcipomyia, 92% 100^-1% 

 bipunctaita, 100% 

 nemoralis, 101% 

 nemorosus, 101% 



