oU 



NEW YORK STATE MUSEUM 



saucium, Amphiagriou, see Amphi- 



agrion saucium. 

 Saunders, W., cited, 486. 

 Say, cited, 379, 410, 486. 

 sayi, Cordulegaster, 267-69, 276. 

 Scapliidiidae, 290. 

 Scarabaeidae, 290. 

 Scbiner, cited, 338, 378. 395. 

 Schiodte, J. C, cited, 289, 338. 

 Sehmidt-Schwedt, E., cited, 298, 



307, 308, 309, 327. 

 vSchoch, Gustav, cited. 486. 

 Schonbauer, cited, 338. 

 Scirpus, 295. 

 Scolytid, 205. 



Scudder, S. H.. cited, 297, 486. 

 scuddeil, Gorupbus, 275. 

 Selys, de, cited. 246. 

 Semblis pectinicornis, 461. 

 semiciuctum, Sympetrum. 278. 

 sericea, Simullum, see Simulium 



sericea. 

 sericea, Tipula, 337. 

 sericeum, Simulium, 338. 

 serricornis, Cbauliodes, see Cbauli- 



odes serricornis. 

 Severin, cited, 484. 

 Sbarp. David, cited, 486. 

 Sbipley, cited, 388, 389, 409, 410. 

 sburtlefR, Cordulia, 246, 250, 277. 

 Sialididae, 204; of North and South 



America, 442-86; liey to subfami- 

 lies, 443. 

 Sialidinae, 442, 443-52. 

 Sialina nigripes, 485. 

 Sialis, 443-52; key to species, 447-48. 



americana, 448, 450-51. 



bifasciata, 448, 451. 



chilensis, 448, 451-52, 485. 



concava. 448, 449, 483. 



ferrugineus, 450. 



flavilatera, 484. 



fuligiuosa, 448, 449-50, 484, 485, 

 486. 



infumata. 444. 445-47, 448-49, 452, 

 485. 

 explanation of plate, 499. 



lutaria, 444. 447. 451, 452, 484, 485, 

 486. 



morrisoni, 448, 450. 



Sialis nevadensis, 448, 450. 



nigripes, 485. 



sibirica, 452, 485. 

 sibirica, Sialis, 452, 485. 

 signatum. Agrion, 258. 

 signatum, Enallagma, see Enallag- 



ma signatum. 

 signifer, Culex, 415. 

 Silphidae, 290. 

 simplex, Donacia, 327. 

 simplicicollis, Mesothemis, 275, 279. 

 Simuliidae. 203. 279, 328, 331, 336-88. 

 Simulium, 207, 337, 338, 344, 351-88; 

 key to species, 353-57. 



sp., 337, 386-88. 



explanation of plate, 493. 



argus. 351. 353, 357-58, 383. 



argyropeza, 351, 352, 377. 



bracteatum, 351, 355, 356, 358-59. 

 explanation of plate, 494. 



calceatum, 351. 



eincta, 351, 352, 377. 



cinereum, 351, 355, 357, 359. 



columbaschense, 339. 



columbatchensis, 351, 352. 



columbatczense, 345. 



decorum, 341, 351, 353, 357, 359- 

 00. 383. 



elegans, 351, 352, 377. 



erythrocephala. 351. 352, 377. 



fulvum, 351, 354, 360-61. 



fuscipes, 337, 338. 



glaucum. 351, 355, 361. 



griseum, 351, 355, 356, 357, 361. 



hirtipes, 350, 351, 353, 354, 360, 

 361-64. 

 explanation of plates, 493, 494. 



innoxium. 352. 374. 



invenustum, 352, 353, 354, 365, 

 371. 



irritatum. 352, 365' 



meridionale, 338, 350, 352, 353, 

 354, 355, 365-69, 370, 379. 

 explanation of plates. 492, 494. 



metallicum. 352. 355. 365, 370. 



mexicanum. 352. 355, 369. 



miuutum. 352, 309. 



molestum, 352, 353, 379. 



novicum, 352. 



occidentale, 352, 355, 365, 369-70. 



