514 
saucium, Amphiagrion, see Amphi- 
agrion saucium. 
Saunders, W., cited, 486. 
Say, cited, 379, 410, 486. 
sayi, Cordulegaster, 267-69, 276. 
Seaphidiidae, 290. 
Scarabaeidae, 290. 
Schiner, cited, 338, 378, 395. 
Schiodte, J. C., cited, 289, 338. 
Schmidt-Schwedt, E., cited, 
307; 308, 309, 327. 
Schoch, Gustav, cited, 486. 
Schénbauer, cited, 338. 
Scirpus, 295. 
Scolytid, 205. 
Scudder, S. H., cited, 297, 486. 
scudderi, Gomphus, 275. 
Selys, de, cited, 246. 
Semblis pectinicornis, 461. 
semicinctum, Sympetrum, 278. 
sericea, Simulium, see Simulium 
sericea. 
sericea, Tipula, 337. 
sericeum, Simulium, 338. 
serricornis, Chauliodes, see Chauli- 
odes serricornis. 
Severin, cited, 484. 
Sharp, David, cited, 486. 
Shipley, cited, 388, 389, 409, 410. 
shurtleffi, Cordulia, 246, 250, 277. 
Sialididae, 204; of North and South 
America, 442-86; key 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. 
fuliginosa, 448, 449-50, 484, 485, 
298, 
ASG. 
infumata, 444, 445-47, 448-49, 452, 
ASD. 
explanation of plate, 499. 
lutaria, 444, 447, 451, 452, 484, 485, 
486. 
morrisoni, 448, 450. 
NEW YORK STATE MUSEUM 
Simulium, 207, 337, 338, 344, 351-88; | 
‘®, 
a 
——— se et y 
Sialis nevadensis, 448, 450. 
nigripes, 485. 
sibirica, 452, 485. — 
sibirica, Sialis, 452, 485. 
signatum, Agrion, 258. 
signatum, Enallagma, see wee 
ma signatum. 
signifer, Culex, 415. 
Silphidae, 290. 
simplex, Donacia, 327. 
simplicicollis, Mesothemis, 275, 279. 
Simuliidae, 203, 279, 328, 331, 336-88 
woe a 
ee to species, 353-57. 
, 337, 386-88. 
se ee of plate, 498. 
argus, 351, 353, 357-58, 383. 
argyropeza, 351, 352, 377. 
bracteatum, 351, 355, 356, 358-59. 
explanation of plate, 494. 
calceatum, 351. . 
cincta, 351, 352.000 
cinereum, 351, 355, 357, 359. 
columbaschense, 339. 
columbatchensis, 351, 352. 
columbatezense, 345. 
decorum, 341, 351, 353, 357, 359- 
60, 383. 
elegans, 351, 852, 37T. 
erythrocephala, 351, 352, 377. 
fulyum, 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 ot plates, 493, 494. 
innoxium, 352, 374. 
_invenustum, 352, 3538, 354, 365, 
oes ; 
_irritatum, .352, 365. 
meridionale, 338, 350, 352, 
354, 355, 365-69, 370, 379. 
explanation of plates, 492, 494. 
metallicum, 352, 355, 365, 370. 
mexicanum, 852, 355, 369. 
minutum, 352, 369. 
molestum, 352, 353, 379. 
novicum, 352. 7 
occidentale, 352, 355, 365, 369-70. 
