INDEX TO MAY FLIES AND INFIDGES OF NEW YORK 



341 



Ephemera, 23^ 26" ; explanation of 

 figure, 331^ ; venation of fore 

 wing of, figure, 22. 



varia, 18-. 

 Ephemerella, 25^ 27% 41=-42^ 



s/).?, 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'. 



excruciaus, 18% 41% 42^. 40% 47^; 

 explanation of plates, 317% 317% 



grandis, 43% 43% 



ignita, 41% 43% 45% 



inermis, 46^. 



unicornis, 45% 



walkeri, 43% 

 Epbemeridae, 11, 12% 15% by J. G. 



Needham, 17^-62"; life history, 



19% structure, 19''-22"; classifica- 

 tion, 28^-30% 

 Ephemerinae, 22% 2G% 28% 29% 59"- 



62% 

 Eretmoptera, 89% 93% llS-'-lS^ ex- 

 l)lanation of plate, 329% 



browni, 114^'-15% 118% 

 Erickson, cited, 78% 

 Eristalis, 13% 



Eurycnemus, 92% 199% 297% 297'- 

 98% key to species, 298% 



i/j., 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, Metriocuemus, see Metri- 



ocnemus exagitans. 

 excrucians, Ephemerella. see Ephem- 

 erella excrucians. 

 exiguus, Tanytarsus, see Tanytarsus 



exiguus. 

 exilis. Cricotopvis, see ("ricotopus 



exilis. 

 Explanation of plates, 316'-30% 

 extremus, Campt'ocladius, 260% 264% 



Fabricius, J. C, cited, 242% 311''-12% 



Fabricins, O., cited, 311% 



fallax, Chironomus, see Cliironomus 



fallax. 

 fasciata, Ceratopogon, 104% 

 fasciata, Heteromyia, 109*. 

 fasciatus, Ceratopogon, 107% 

 fasciatus, Tanypus, 159% 159% 

 fascipeuuis, Chironomus, 191% 203% 



204% 

 fastuosa, Ablabesmyia, see Ablabes- 



myia fastuosa. 

 fatigans, Tanytarsus. see Tanytar- 

 sus fatigans. 

 femoralis, Hydroptila, 67% 

 femoratus. Ceratopogon, 105% 108% 

 femoralus, Melanoplus, 14^-15% 

 P>rguson, W. H., work of, 10% 

 ferruginea, Cnllibaetis, 18% 

 ferrugineovititatus, Chironomus. 



197% 238'-39% 

 festivus, Chironomus. 196% 234% 



242% 

 Figures, legenda to, 331% 

 fimbriatus, Chironomus, 198% 198^*, 



245% 

 FiUli. cited, 275% 312% 

 llavellus, Tanytarsus, see Tanj'tar- 



sus flavelhis. 

 flaveola. Ablabfsmyia, lo8% 151% 



1.-2% 

 flavicinctus. Procladius, 126% 132% 

 flavicingula. Chironomus. see Chiro- 

 nomus flavicingula. 

 fiavifrons, Ablabesuiyia, see Abla- 

 besmyia flavifrons. 

 fiavifrons. Metriocuemus, see Metri- 

 ocuemus flavifrons. 

 fiavipennis, Heptageuia, 54% 

 flavipes, Ceratopogon, 100% 

 flavus, Chironoimus. see Chironomus 



flavus 

 flavus. Orthocladius. see Orthocla- 



dius flavus. 

 Forbes, cited, 79% 312% 

 forcipatus, Auatopynia, 135% 

 Foi-cipomyia, 92% 100'-1% 

 bipunctata, 100% 

 nemoralis, 101% 

 nemorosus. 101% 



