INDEX TO MAY FLIES AXI> MIDGES OF XEAV YORK 



341 



Ephemera, 23*, 26 ; explanation of 

 figure, 331 1 ; venation of fore 

 wing of, figure, 22. 



varia, 18-. 

 Ephemerella, 25 3 , 27 5 , 41 5 -42 3 . 



sp.t, 42', 4G--47 4 ; explanation of 

 plate, 317 7 , 317 s . 



*l>. ? near ignita, 45' 5 -46 1 . 



bispimt, IS 5 , 42 5 , 43 4 -45 l , 45 3 , 45 5 ; 

 explanation of plate, 317 T , 317". 



excrncians, 18-', 41 7 , 42 s . 4t> ! , 47; 

 explanation of plates, 317 4 . 317 T . 



grandis, 43 1 , 43 3 . 



ignita, 4 1 7 , 43, 45 7 . 



iuerinis, 46. 



unicornis, 45". 



walkeri, 43. 

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



Needham, 17 3 -62 U ; life history, 



ID 1 ; structure, i9 7 -22 7 ; classifica- 

 tion, 2S 7 -30 3 . 

 Ephemerinae, 22 s , 2<> 4 , 28 s , 20", fi9- 



62 9 . 



Eretnioptera, SO 3 . 9:'. 5 , 113 B -15": ex- 

 planation of plate, 329'. 



brown i, 114 3 -15' J , IIS 7 . 

 Erickson, cited, 78 2 . 

 Eristalis, 13 s . 



Eirrycnemus, 92", 199, 297 4 , 297 

 98 T ; key to species, 298 5 . 



sp., explanation of plate, 328. 



aestivus, 299-. 



lasionierus, 29S 7 , 299\ 



scitulus. 29S 7 , 29S\ 



unicolor, 29S 7 , 299 1 . 

 Eutauypns, 90 2 , 93 3 . 178'-79 5 . 



borealis. 178, 178-79 r '. 

 Euthyplocia, 23 3 , 26 r> . 

 exagitans, Metriocnenuis, sec Metri- 



ocnemus exagitaus. 

 excrncians, Ephemerella. see Ephem- 

 erella excrucians. 

 exiguus, Tanytarsus, see Tanytarsus 



exiguus. 

 exilis, Cricotopus, sec Cricotopus 



exilis. 



Explanation of plates, SIG'-SO". 

 extremus, Campfocladius, 260 3 , 264 :! 



Fabricius, J. C., cited, 242 s , 311 9 -12'. 



Fabriciuvs, O., cited, 311 9 . 



fallax, Chironomus, see Chironomus 

 fallax. 



fasciata, Ceratopogon, 104 T . 



fasciata, Heteroniyia, 109 4 . 



fasciatus, Ceratopogon, 107 3 . 



fasciatus, Tanypus, 159 2 , Ia9 7 . 



fas'cipeniiis. Chironomus, 191 1 , 203-, 

 2U4 3 . 



fastuosa, Ablabesmyia, see Ablabes- 

 myia fastuosa. 



fatigaus, Tauytarsus, see Tanytar- 

 sus fatigans. 



femoralis, Plydroptila, 67 3 . 



femoratus. Ceratopogon, 105'-', 108 4 . 



femoratus, Melanoplus, 14 9 -15'. 



Ferguson. W. II., work of, 10 4 . 



ferruginea, Callibaetis, 18 :i . 



ferrugineovittatus, Chironomus, 

 197 5 , 238 7 -39-. 



festivus, Chironomus, 19(> 3 , 234% 

 242 4 . 



Figures, legenda to, 331'. 



fimbriatus, Chironomus. 198", 198 s , 

 245 5 . 



Fitch, cited, 275?. 312 1 . 



flavellus, Tanytarsus. see Tanytar- 

 sus ttavellus. 



tlaveola, Ablabt-smyia, i::s\ 151 4 , 

 ir.2 4 . 



flavicinctus. Procladius. 12(> ;t , 132 1 . 



tlavicingula, Chirononnis, see Chiro- 

 n o:in us flavicingula. 



flavif rons, Ablabesmyia, see Abla- 

 besmyia flavifrons. 



fiavifrons. Metriocnemus, ee Metri- 

 ocnenius tlavifrous. 



flavipennis, HeptagenLa, 54 7 . 



flavipes, Ceratoi>ogon, 100. 



flavus, Chironomus. .srr Chironomus 

 flavus 



flavus, Orthocladius. .sir Orthocla- 

 dius flaviis. 



Forbes, cited, 79-, 312'. 



forcipatus, Auatopynia, 135. 



Forcipomyia, 92, lOO"-! 2 . 

 bipuuctaita, 100 s . 

 nemoralis, 101 1 . 

 nemorosus, 10]'. 



