366 



INDEX. 



Scydmsenus marise, 112 



Semiotella destructor, 169, 193 



Sepsis similis, 128 



Serricornia, 108 



Sesia pyri, 158 



Sesiidse, 158 



Sexual differences in insects, 32 



Sialidte, 87 



Silk, 144 



Silk-worm, 42 



American, 155 

 Chinese, 155 



Silpha lapponica, 112 



Silphidse, 112 



Simulidae, 135 



Simulium meridionale, 135 

 molestum, 135 

 pecuarum, 136 



Siphonaptera, 55, 115 



Sitodrepa panicea, 108 



Slug-worm, 166 



Smell, organs and sense of, 26 



Srnerintkus excsecatus, 158 



Smynthurus elegans, 57 



Snapping beetles, 109 



Sounds made by insects, 30 



Spanish fly, 102 



Spatbegaster baccarum, 167 



Sphterius politus, 112 



Spheuopborus zese, 200 



Spbex ichneumouea, 173, 184 



Sphindus americanus, 108 



Sphinx Carolina, 158 

 celeus, 158 

 embryology of, 36 



Sphyracephala brevicornis, 128 



Spilosorna virgiuica, 156 



Spindle-worm, 200 



Spiracle, 19, 316 



Spraying machines, 222 



Spring-tails, 56 



Squash beetle, 207 



Squash borer, 207 

 bug, 208 

 lady-bird, 208 

 pickle-worm, 208 



Stalachtis, 160 



Stalk-borer, 200, 205 



Staphyliuidae, 112 



Staphylinus vulpinus, 112 



Stephanidse, 168 



Stepbanus cinctipes, 168 



Stern ite, 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 



Symphyla, 57 



Synernon sophia, 157 



Syrphidae, 132 



Syrphus politus, 132 



Systoechus oreas, 133 



Tabanus lineola, 134 

 Tachina, 131, 218, 220 

 Tachinidae, 131 

 Tactile sense, 31 

 Tauypus aunulatus, 135 

 Tapinoma, 171 



Taste, organs and sense of, 27 

 Telea polyphemus, 155 

 Teleas, 169 



Temperature, influence of chan- 

 ges of, on insects, 49 

 Tenebrio rnolitor, 103 

 Tenebrionidse, 103 



