INDEX OF INSECTS. 
943 
Page. 
Saperda calcarata 426, 435, 599 
concolor 436, 599 
discoidea 287 
fayi 536 
lateralis 226,636 
mcesta 436 
obliqua 623 
spurred 485 
tridentata 224,424 
vestita 226,474 
Sapholytns genimanae , 108 
Saratoga leaf-hopper 800 
Saw-flies 12 
black locust 370 
Cimbex - 237 
Sawyer 685 
Say's weevil 367 
Scale insect (black, of California) 98 
gloomy, maple 417 
hemispherical, butternut 338 
obscure 101 
quercitron 98 
rapacious 371 
white oak 98 
sour-gum 656 
Scalidia linearis 612 
Scalloped- winged geometer 187 
Schizoneura americana 279 
caryae 329,336 
cratsegi 537 
pinicola 804 
querci 212 
rileyi 277 
tessellata 677 
Schizura 491,536,564,596 
biguttata 652 
ipomeae 1 55, 282, 424, 491 
leptinoides 330 
unicornis. .218, 269, 491, 531, 536, 564, 652 
Sciapteron robiniae 360 
Sciara ocellaris 411 
Scolecocampa liburna 218 
Scoliopteryx libatrix 569 
Scolytidae 811 
characterized 7 
Scolytussp 296 
fagi 611,860 
quadri-spinosus 294 
muticus 612,860 
rngulosus 860 
unispinosus 859, 860 
Scopelosoma morrisoni 170 
sidus 116,329,530 
Scythropus elegans 810 
Seirarctia echo 133 
Seirodonta bilineata 268 
Selandria 545,589,633,901 
barda 544 
caryae 338 
cerasi 205,522,537 
diluta 2C0 
?juglandis 339 
quercus-alba 205 
tiliae 480 
of birch 509 
Page. 
Selandria of hickory 317 
Selenia kentaria 405, 514 
Semasia argutana 667 
Semiothisa bisignata 780, 865, 879 
Sequoia ^geiian 922 
borer 922 
Sericoris niveiguttana 667 
inscrutana 655 
Sesia hospes 217, 328. 596 
querci 217 
Sesian. pine 727 
Silk- worm, American 161, 400, 491, 530, 532 
Silvanus bidentatus 344 
two-toothed .^ 344 
Sinoxylon basilare 296 
Siphonophora crataegi 537 
liriodendri 663 
?salicicola 600 
Sisy rosea inornata 147, 328, 399, 529 
Slug- worm, eight-flapped 143 
Smerinthus 515 
excaecatus 131, 217, 243, 450, 487, 
488, 560 
geminatus 257, 488, 555, 596 
juglandis 330,339 
modestus 434,450 
myops 524,531,536 
Smilia castaneae 350 
inornata 350 
Smodicum cucujiforme 79, 612 
Snout- moth caterpillar 787 
Span-worms 9 
cleft-headed 405 
pine needle 785 
red and yellow striped pine 785, 875 
ten-lined pine 785, 868, 875, 879 
Spermophagus robiniae 372, 653 
Sphingicampa bicolor 651 
Sphingidae, characterized 8 
Sphinx catalpae 665 
cinerea 546 
drupiferarum 609 
four-horned 242 
goulius 547 
hyheus 668 
kalmiae 555 
larch 890 
larva 549 
luscitiosa 559 
pine 768, 76» 
Spilosoma lunilinea 652 
virginica 217, 340, 489, 536, 555, 670 
Spittle insect, parallel 741 
Saratoga 742 
Spruce bark-beetles 811 
bud-louse 853 
European 853 
worm 830 
black-headed 847 
red 850 
reddish-yellow , 845. 
cone-worm *. . . . 854 
epizeuxis 843 
leaf-hopper 854 
least bark-borer 825 
