4Q8 



INDEX 



Sharp, on Atta, 293; Hawaiian beetles, 326; 

 metamorphosis, 159; 415, 431, 433, 449, 



455 



Sheath, *64 



Shelf ord, R., 460 



Shelford, V. E., on chemical conditions, 383; 

 communities, 393, 397; environments, 

 388, 389; evaporation, 368, 369, 370, 

 371; physical conditions, 384; succes- 

 sion, 404, 406, 407, 408; tension lines, 

 399; tiger beetles, 174, 175, 183, 189, 

 350; 459, 472, 474, 475, 576 



Sherman, F., Jr., 426 



Sherman, J. D., Jr., 386, 456 



Shreve, 389, 391, 476 



Shull, 94, 445 



Silk, 76 



Silk glands, 75, '76 



Silkworm (see Bombyx mori). 



Silpha, distribution of, 336 



Silurian insects, 341 



Silvestri, on Anajapyx, *6; 433, 434 



Simmermacher, 440 



Simpson, 358 



Simulium, 233; respiration, 170 



Sinclair, 433 



Siphonaptera, *2o; origin of, *25, 26 



Sirex, ovipositor of, *64 



Sirrine, 424 



Sitaris, 156 



Size of insects, 27 



Skin, 66 



Skull, 28, *29 



Skunk, insectivorous, 236 



Sladen, 287, 467 



Sleep of insects, 352 



Sleight, 385, 456 



Slingerland, 411, 424, 477 



Smell, 87; end-organs of, *88, *89 



Sminthurus, *io 



Smith, E. F., 219 



Smith, J. B., 425, 477 



Smith, R. C., 426 



Smith, T., 269 



Snodgrass, 24, 326, 328, 436, 438 



Snow flea, *io 



Snyder, 468 



Societies, 389 



Soil, 348; nutriment in, 351; structure of, 

 348; temperature, 350 



Soldier, ants, 289; termites, *277 



Somatic cells, 129 



Sorensen, 433 



Sounds, 91 



Spence, 431, 432 



Spermatheca, 125, "126 



Spermatogenesis, 129 



Spermatophores, 124 



Spermatozoa, 124, *i25 



Sperm-nucleus, 129 



Speyer, on hermaphroditism, 126 



Sphecina, 277 



Sphecius, 277 



Sphex, *223; behavior of, 316, 318, *3i9 



Sphingidae, as pollenizers, 221, *225 



Sphinx, alimentary tract of, "104; dispersal, 

 323; pulsations of heart, 112; trans- 

 formation, *i63 



Spichardt, 450 



Spillman, 268 



Spines, 69 



Spinneret, *74, 75 



Spiracles ; closure of, *i2o; number, 60, 119 



Sbirobolus, *3 



Sbirochata, 267 



Spongioplasm, 78 



Sporotrichum, 218, 367 



Spuler, on scales, 70; 438, 441, 458 



Spur, *49 



Squama, 54 



Squash bug, metamorphosis of, *i38 



Stadium, 140 



Stagmomantis, leg of, *5o 



Standfuss, temperature experiments of, 183, 



458 



Stedman, 426 



Stefanowska, on pigment, 99; 444 

 Stegomyia, 255 

 Stellwaag, 438 

 Stenamma, 292 

 Stenobothrus, blood corpuscles of, *no; 



stridulation of, 92 

 Stenodictya, *S43, 344 

 Stephens, 465 

 Stereotropism, 303 

 Sternberg, 250, 251, 464 

 Sternum, *47 

 Stigmata (see Spiracles). 

 Sting of honey bee, *64 

 Stinging hairs, *73 

 Stings, efficiency of, 246 

 Stipes, *35, 37, *38 

 Stokes, 449 

 Stomach, *io4 



