366 



INDEX. 



Scydnuenus mariae, 112 



Semiotella destructor, 169, 193 



Sepsis similis, 128 



Serricornia, 108 



Sesia pyri, 158 



Sesiidae, 158 



Sexual differences in insects, 32 



Sialidae, 87 



Silk, 144 



Silkworm, 42 



American, 155 

 Chinese, 155 



Silpha lapponica, 112 



Silpbidae, 112 



Simulidae, 135 



Simulium meridiouale, 135 

 molestum, 135 

 pecuarum, 136 



Siphonaptera, 55, 115 



Sitodrepa panicea, 108 



Slug-worm, 166 



Smell, organs and sense of, 26 



Smeriuthus excaecatus, 158 



Smyntliurus elegans, 57 



Snapping beetles, 109 



Sounds made by insects, 30 



Spanish fly, 102 



Spatbegaster baccarum, 167 



Sphaerius politus, 112 



Spbenophorus zea>, 200 



Spbex ichneumonea, 173, 184 



Spbiudus americanus, 108 



Sphinx Carolina, 158 

 celeus, 158 

 embryology of, 36 

 ' Sphyraccpba'.a brevicornis, 128 



Spilosoma virgiuica, 156 



Spin die- worm, 200 



Spiracle, 19, 316 



Spraying machines, 222 



Spring tails, 56 



Squasb beetle, 207 



Squash borer, 207 

 bug, 208 

 lady-bird, 208 

 pickle-worm, 208 



Stalachtis, 160 



Stalk-borer, 200, 205 



Stapbylinidae, 112 



Stapbylinus vulpinus, 112 



StephanidsB, 168 



Stephanus cinctipes, 168 



Sternite, 2 



Stigmata, 19 



Stigmus fraternus, 175 



Sting, bee's, 164, 315 



Stizus speciosus, 174 



Stomach, 9 



Stomoxys calcitrans, 130 



Stratomyia picipes, 134 



Strepsiptera, 101 



Stylops childreni, 101 



Subimago, 72 



Sugaring, 246 



Sylvanus surinamensis, 111 



SymphyJa, 57 



Synemon sophia, 157 



Syrphidae, 132 



Syrpbus politus, 132 



Systcechus oreas, 133 



Tabanus lineola, 134 



Tacbiua, 131, 218, 220 



Taebinidae, 131 



Tactile sense, 31 



Tanypus aunulatus, 135 



Tapinoma, 171 



Taste, organs and sense of, 27 



Telea polypheinus, 155 



Teleas, 169 



Temperature, influence of cban- 



ges of, on insects, 49 

 Tenebrio molitor, 103 

 Tenebrionidae, 103 



