INDEX TO MAY FLIES AND .AIIDGES OF NEW YORK 



343 



Heptageninae, 23\ 26^ 29^, 51^-54*; 



figure, 52 ; explanation of figure, 



331^ 33r, 33r. 

 Heptagyia, 90S 12r, 161°; explana- 

 tion of plate, 330^ 

 Heteromyia, 93S 99^, 108"; explana- 

 tion of plate, 330^ 



^fasciata, 109\ 

 heterostropba, Physa, 12^ 

 Hexagenia, 23% 261 



variabilis, 18-. 

 Heyden, cited, 78*. 

 hilaris, Caenis, see Caenis hilaris. 

 hilaris, Chirononius, 199', 247*. 

 bippocastanum, Aesculus, 98^ 

 birtipennis, Ablabesmyia, 138S 154®. 

 birtipes, Cbironomus, 299% 

 Holmgren, cited, 264", 268°, 276^ 282*, 



283% 305% 312% 

 Ilomeoneuria, 29% 

 bortorum, Didymorpbleps, 112% 

 bortulanus, Ceratopogon, 106% 

 Hougbton, C. O., acknowledgments 



to, 76' ; cited, 302*, 313% 

 Howard, W. E., cited, 18% 263% 312® ; 



mentioned, 50° ; Polymitarcys al- 



bus, 60--62% 

 Howdy, wbite-gloved, 3r-36% 

 bumeralis, Procladius, 126', 130% 

 bumeralis, Tanypus, 135% 

 Ilydrobaenus, 87% 88% 91% 166% 170'- 

 71% 



lugubris, 170°; explanation of 

 plate, 328% 

 Hydropsycbe, 14*, 32\ 32% 

 Hydroptila, 63% 65% 65*-69% 72% 



sp., 73°. 



consimilis, 65% 65'-66% 06" ; expla- 

 nation of plates, 318% 319% 



delineatus, 66- ; explanation of 

 plate, 318% 



femoralis, 67^. 



bamata, 67' ; explanation of plate, 

 318% 



perdita, 67* ; explanation of plate, 

 319% 



sparsa, 65", 66% 



spatulata, 66' ; explanation of 

 plate, 318% 

 Hydroptilidae, 8% 63'-72% 73% 



Hydrotrecbus, sp. ?, 14°. 

 Hymenoptera, 11, 12^ 13% 

 byperboreus, Cbironomus, see Cbi- 

 ronomus byperboreus. 



ig'nita, Ephemerella, 41% 43% 45% 

 ignotus, Cbirotenetes, 28% 

 Imms, cited, 312% 



incomptus, Metriocnemus, 30OS 304% 

 indecisa, Ablabesmyia, see Ablabes- 

 myia indecisa. 

 inermis, Epbemerella, 46% 

 innocuus, Cbironomus, 196°, 235-- 



36% 

 Insecta lapponica, 161°. 

 insipidus, Micromus, see Micromus 



insipidus, 

 intermedius, Cbironomus, 244*. 

 interpunct'ata, Heptagenia, see Hep- 



tagenia interpunctata. 

 Iron, 23^ 26°, 53% 54% 



sp.l, 57^-59-; explanation of plate, 

 317% figures, 52, 53; explanation 

 of figures, 331% 331% 331% 

 isemerius, Scopelodromus, 308% 

 Isoplastus, 89^ 121°, 12,5% 125% 155^ 



explanation of plate, 330^. 

 Itbytricbia, 64°, 67®-69% 



clavata, 67^-69-; explanation of 

 plates, 318% 319% 



confusa, 69-; explanation of plate, 

 318% 



lamcllaris, 68^. 



Jacobs, cited, 312% 

 .Jaworow8ki, cited, 312% 

 Joblot, cited. 312% 

 Jobannsen, Oskar Augustus. Aqua- 

 tic Nematoceras Diptora, 7% 76- 



315; cited. 312% 

 Jobnson, cited. 216% 218% 222% 223% 



228*, 231% 232% 232°, 243% 258% 



262% 268*, 312% 

 jobnsoni; Ablabesmyia, 137% 147°- 



48*. 

 .Tolia, 28% 



roeseli, 28% 

 Jonas, Micromus. sec Micromus 



Jonas. 



