354 



IXDKX 



Sesiidce, 79, 297 



Seventeen-year locust, 61 



Shad-flies, 42, 136 



Sheep bot-fly, 191 



Sheep scab-mite, 21, 203, 340, 



341 



Sheep-tick, 139, 202 

 Short-nosed ox-louse, 198 

 Short-winged scavengers, 112 

 Shot-hole borers, 127 

 Shrimps, 19 

 Sialidce, 45 

 Silk glands, 17 

 Silkworm, 91 

 Silphidce, 112 

 Silvanus surinamensis, 228 

 Silver-fish, 34 

 Silver-spot skipper, 103 

 Silver-spots, 101 

 Simidiidce, 136 



SlPHONAPTERA, 38, 186 

 SlPHtJNCULATA, 37, 198 



Siricidce, 154 

 Sitotroga cerealella, 231 

 Skippers, 93, 103 

 Slug-caterpillars, 88 

 Smell, 17 

 Snake-doctors, 42 

 Snake-feeders, 42 

 Snapping-bugs, 114 

 Snipe-flies, 138 

 Snout-beetles, 108, 125 

 Snow-flea, 35 

 Social-wasps, 149 

 Soldier-bugs, 59 

 Soldier-flies, 137 

 Solitary- wasps, 150 

 Sow-bugs, 19 

 Spanish-fly, 123 

 Span-worms, 86 

 Special organs, 15 

 Spermatheca, 14 



SPHECOIDEA, 151 



Sphingidce, 89, 278 



Sphinx moths, 89 



Spiders, 21 



Spinach aphis, 269 



Spinach flea-beet Ic, 275 



S pi nod soldier-bug, 9 



Spiracles, 8, 12 



Spittle insects, 63 



Spotted pelidnota, 120 



Spreading-board, 170 



Spring-tails, 34 



Squash-bugs, 59, 281, 340 



Squash-vine borer, 79 



Stable fly, 141, 180, 340 



Stag-beetles, 120 



Staphylinidce, 112 



Sternum, 6 



Stilt-bugs, 61 



Stinging Hymenoptera, 143 



Stinging organs, 14 



Stink-bugs, 58 



Stomach, 15 



Slomoxys calcitrans, 180 



Stone-flies, 41 



Stratiomyiidce, 137 



Strawberry leaf-roller, 77 



Strawberry-weevil, 126 



Striped cucumber-beetle, 279 



Sub-cesophageal ganglion, 13 



Sucking-lice, 37 



Sulphur butterflies, 98 



Sulphur dioxide, 336 



Supra-oosophageal ganglion, 13 



Suture, 8 



Swallow-tail butterflies, 94 



Swarming bees, 146 



Sweat-flies, 138 



Sympathetic nervous system, 13 



Syrphidce, 138 



Syrphus flies, 138 



Systena blanda, 274 



