400 



INDEX 



Schwarz, on distribution, 314, 315; myr- 

 mecophilism, 282 



Schwedt, 369 



Sclerite, 22 



Scolopendra, *4 



Scolopctidrdla, *S, 17 



Scudder, on albinism, 165; coloration, 172; 

 fossil insects, 319, 322, 323, 324; glacia- 

 tion, 303; mimicry, 186; Orthoptera of 

 Galapagos Ids., 304, 306; spread of P. 

 rapes, 316; stridulation, 83; 339, 347, 350, 



353, 370, 383, 385 

 Scutellum, *3$ 

 Scutum, *38 

 Seasonal coloration, 166 

 Second maxillae, the term, 3 1 

 Sedgwick, 342, 343 



Segmentation, of arthropods, 21; germ band, 

 ^ *i2o, *i2i, *i22; head, 35, *36 

 Segments of abdomen, 52 

 Seitz, 371, 375, 379, 381, 383 

 Sematic colors} 193 

 Seminal, ducts, *ii3, 114; receptacle, 113, 



*ii5; vesicle, *ii3, 114 

 Semon, 384 



Semper, C., on scales, 62; 349 

 Semper, K., 383 

 Sempers, 386 

 Sense organs, 75 

 Sensilla, 75, *f6 

 Serosa, *i2o, *i23 

 Sessiliventres, 16, *iy 

 Setaceous, *26 

 Setas, modifications of, 59 

 Seventeen-year locust, number of moults, 



133 



Sexual coloration, 169 

 Sharp, on Atta, 275; Hawaiian beetles, 304; 



metamorphosis, 146; 340, 342, 348, 361, 



369 



Sheath, *s6 

 Shelford, R., 374 

 Shelford, V. E., 384 

 Shull, 85; 356 

 Siebold, von, 353, 362 

 Silk, 67 



Silk glands, 66, *6j 

 Silkworm (see Bombyx mori) 

 Silpha, distribution of, 314 

 Silurian insects, 319 

 Silvestri, on Anajapyx, *5; 343 

 Simmermacher, 350 

 Simulium, 215; respiration, 157 

 Sinclair, 342, 



Siphonaptera, 15, *iy; origin of, 19, *2o 

 Sir ex, ovipositor of, *55 

 Sirodot, 349, 356 

 Sitaris, 144 

 Size of insects, 21 

 Skin, 57 

 Skull, 22, *23 

 Skunk, insectivorous, 218 

 Slingerland, on losses through insects, 326, 



333, 334 



/T ( 



^ ' i 



Smell, 78; end-organs of, *7g, *8o, *8i 



Sminthurus, *8 



Smith, J. B., 334; 344, 345, 386 



Snodgrass, on Orthoptera of Galapagos Ids., 

 304, 306; 347 



Snow flea, *8 



Soldier, ants, 271, termites, *26o 



Sollmann, 347 



Somatic cells, 118 



So'rensen, 342 



Sounds, 82 



Spence, 339, 340 



Spermatheca, 114, *ii5 



Spermatogenesis, 118 



Spermatophores, 114 



Spermatozoa, *ii4 



Sperm-nucleus, 118 



Speyer, on hermaphroditism, 115 



Sphecina, 259 



Sphecius, 259 



Sphex, *2o$; behavior of, 294, 296, *297 



Sphingidas, as pollenizers, 203, *207 



Sphinx, alimentary tract of, *gs; dispersal, 

 301; pulsations of heart, 102; transforma- 

 tion, *i5o 



Spichardt, 363 



Spines, 59 



Spinneret, *66 



Spiracles, closure of, 109, *no; number, 

 52, 109 



Spirobohts, *3 



Spongioplasm, 70 



Sporotrichum, 201 



Spuler, on scales, 62; 346, 351, 372 



Spur, *42 



Squama, 46 



Squash bug, metamorphosis of, *i27 



Stadium, 128 



Stagmomantis , leg of, *42 



Standfuss, temperature experiments of, 168, 

 306; 372 



Stefanowska, on pigment, 90; 355 



Stegomyia, in relation to yellow fever, 241 



Stein, 362 



Stellwaag, 347 



Stenamma, 274 



Stenobothrus, blood corpuscles of, *ioi; 

 stridulation of, 83 



Sternberg, on malaria, 236, 237; 377, 378 



Sternum, *37, *39, 52 



Stigmata (see Spiracles) 



Sting of honey bee, 54, *56 



Stinging hairs, *64 



Stings, efficiency of. 232 



Stipes, *29, *30, 31 



Stokes, 362 



Stomach, *95 



Stomachic ganglion, 72, *74 



Stomatogastric nerve, 72, *74 



StomodEeum, *93, *94, *i2i 



Straton, 375 



Straus-Diirckheim, on muscles, 69; 343, 351 



Strength, muscular, 70 



Stephens, 378 



1, 



. 



