Index 



457 



Gum — Contintied. 



Sweet, 113, 116. 



Tupelo, 112, 116. 

 Gums, 72, 74, 91, 111, 116. 

 Gymnoconia interstitialis, 234. 

 Symnosporangium germinale, 21S. 



juniperi-virginianae, 20S. 

 Gyrinidae, 442, 445, 448, 450, 451, 452, 



453. 

 Gyrinus aeneolus, 450. 



H 



Hackberry, 72, 74, 112, 113, 116. 

 Haliplidae, 443, 446, 448, 451, 452, 454, 



455, 458. 

 Haploidonotus, 543. 

 Hardwood, 97, 98-99, 100. 103. 105, 107, 



111, 112, 113, 130, 143, 154, 170. 

 Hawthorn, 15, 16. 

 Hazelnut, 15. 



Hedge, 133, 134. See Osage Orange. 

 Helichus litliophilus, 451, 452, 453, 458. 

 Hellgrammile, 457. 

 Helmidae, 445, 449, 450, 451, 453. 

 Helminthosporium gramineum, 202. 



spp., 189. 

 Helmis vittata, 449, 450. 

 Helobdella nepheloidea, 348, 361, 373. 



spp., 415. 



stagnalis, 361, 373. 

 Helophllus, 440, 458. 

 Helophorus, 441, 457. 



lineatus, 445. 

 Hemiptera, 392, 412, 420, 442, 443, 444. 

 445, 446, 447, 448, 449, 450, 451, 

 452, 453. 454, 455, 456. 



nymphs and adults, 459. 

 Hemlock, 74. 

 Heptagenia sp.. 420. 422, 443, 447, 448. 



449, 450, 451, 452, 456. 

 Hetaerina americana, 444, 448, 450. 

 451, 452, 456. 



sp., 456. 

 Heteroptera, 457. 

 Hexagenia, 446, 448, 456. 



bilineata, 417, 418, 420, 421. 445, 447. 

 449, 450, 451. 



Hexagenia — Continued. 



nymph, 379. 



variabilis, 381. 

 Hickories, 72. 117. 

 Hickory. 73, 74, 91, 112, 113, 116, 117, 



118, 119, 120, 128, 131, 143. 

 Hickory Shad, 543. 

 Hirudinea, 415, 420, 421. See also 



Leeches. 

 Hogsucker, 434. 

 Hordeum jubatum, 201. 

 Horseradish, disease of, 255, 278, 323. 

 Hyalella knickerbockeri, 376, 377, 393, 



417, 448. 

 Hydrodictyon, 447. 

 Hydroids. 416. 

 Hydrometra martini, 448, 449, 450, 451, 



453, 457. 

 Hydrometridae, 448, 449, 450, 451, 453, 



457. 

 Hydrophilidae, 441, 442, 445, 446, 448. 



449. 452, 454, 455, 457. 

 Hydroporus sp., 453. 

 Hydropsyche sp., 376, 417, 443, 449, 



450, 452, 455, 457. 

 Hydropsychidae, 403, 443, 449. 450, 452, 



455. 

 Hydrozoa, 416. 

 Hymenoptera larvae and adults, 459. 



parasitic, 16. 

 Hymetta, 39, 44. 



trifasciata albata. 44. 

 anthisma, 44. 

 balteata, 44. 



I 



Ictalurus nebulosus, 543. 

 Ictiobus bubalus, 543. 



cyprinus, 543. 

 Insect larvae, food of, 538. 

 Insects, 341, 367. 369. 375, 379, 381. 

 391, 392, 395, 401. 412, 418, 420. 

 421. 

 aquatic, 439-459. 



bibliography of, 459-535. 

 as food of Black Bass, 547. 

 Ischnura sp., 418, 456. 

 verticalis, 444, 445, 447. 455, 456. 



