878 



CIVIC BIOLOGY 



Southern clothes moth, 154 



Sow bug, 317 



Sparrow, 34, 45, 47, 49, 50, 182 



Sparrow hawk, 45 



Sphinx moth, 155, 156 



Spiders, 46, 51, 163-168, 315 



Spinal meningitis, 107, 110 



Spirilla, 218 



Spirits of camphor, 128 



Spitzenburg apple, 334 



Spoonwood, 75 



Spotted cowbane, 75 



Spotted fever, 233, 236, 256 



Spotted parsley, 75 



Spotted salamander, 316 



Spotted sandpiper, 40 



Spotted terrapin, 325 



Spruce pine, 59 



Spruces, 58, 83 



Squash bug, 152, 156 



Squids, 273, 274 



Squirrel, 261 



Stable fly, 20, 113, 121, 122, 154, 236 ; 



life history of, 121 

 Stable-window fly trap, 108, 109 

 Staggerbush, 76 

 Staggerweed, 76 

 Staphylococci, 234 

 Stegomyia fasciata, 258 

 Stewart's disease, 215 

 Sticktights, 69 

 Stinkhorns, 204 

 Stinking suiut, 213 

 Stinkweed, 75 

 Stinkwort, 75 

 Stork, 39 



Strains, pure-bred selected, 96, 97 

 Strawberry, 94 ; enemies of, 156 

 Streptococcus, 234 

 Striped cucumber beetle, 156 

 Strychnia sulphate, 181 

 Strychnine used for poisoning rats, 



180, 181 



Sugar, danger from gorging with, 

 344 



Sugar, or rock, maple, 82 



Sugar pine, 59 



Sulphate of copper, 71 



Sulphur, 98, 99 



Sulphur ointment, 165 



Sumac, 74, 75, 86 



Summer cholera. See Summer com- 

 plaint 



Summer complaint, 107, 110, 121 



Sunfish, 306 



Sunflower, 86 



Surra, 259 



Swallows, 49, 129 



Swamp hellebore, 76 



Swamp sumac, 75 



Swan, 38, 42 



Swatter, 119 



Sweet peas, 86 



Swine, 174 



Sycamore, 59 



Symbiotic bacteria, 221 



Syphilis, 107 



Syrphus flies, 112 



Tachina flies, 112 



Tadpoles, 314-318 



Tamarack, 59 



Tanagers, 49 



Tansy, 72 



Tapestry moths, 154 



Tapeworm, 107, 254, 260, 262-264 ; 



of dogs, 264; of fishes, 264; of 



man, 261 

 Tarantulas, 164 

 Tea, 344 

 Teal, 306 

 Teasel, 71 



Tent caterpillar, 155 

 Termites, 155 

 Terns, 38 

 Terrapins, 321, 323, 324, 325 



