482 



INDEX 



Schwarz, on distribution, 378, 380 ; 



myrmecophilism, 343 ; 462 

 Schwedt, 445 

 Sclerite, 29 

 Scolopendra, *4 

 Scolopcndrella, *6, 22 

 Scudder, on albinism, 201 ; coloration, 



210; fossil insects, 385, 386, 390. 



39i, 392; glaciation, 370; mimicry, 



227 ; Orthoptera of Galapagos Ids., 



37 J > 374! spread of P. rapcc, 381 ; 



stridulation, 106; 409, 418, 421. 



422, 426, 446, 462, 464, 465 

 Scutellum, *48 

 Scutum, *48 

 Seasonal coloration, 201 

 Second maxillae, the term, 39 

 Sedgwick, 412 

 Segmentation, of arthropods, 27 ; germ 



band, *i49, *iso, *i5^; head, 44, 



* 4 6 



Segments of abdomen, 65, 66 

 Seitz, 447, 454, 458,' 459, 46-: 

 Sematic colors, 234 

 Seminal, ducts, *i4o, 141 ; receptacle, 



*i4i, *i42; vesicle, *i4o, 142 

 Semon, 463 



Semper, C., on scales, 78, 421 

 Semper, K., 461 

 Sempers, 465 

 Sense organs, 94 

 Sensilla, 94, *95 

 Serosa, ="148, 149, *i53 

 Sessiliventres, 20, *2i 

 Setaceous, *34 

 Setae, modifications of, 76 

 Seventeen-year locust, number of 



moults, 165 

 Sexual coloration, 205 

 Sharp, on Atta, 335 ; Hawaiian beetles, 



372; metamorphosis. 177; 410, 412. 



419, 435, 445 

 Sheath. *7o 

 Shelf ord, 451 

 Siebold, von, 426, 436 

 Silk, 85 



Silk glands, 83, *84, *8s 

 Silkworm (see Boniby.r inori) 

 Silplia, distribution of, 379 

 Silurian insects, *3&5 

 Silvestri, on Anajapy.r, *6 

 Simmermacher, 422 

 Siinulinm, 276; respiration. *i9o 

 Sinclair, 412 

 Siphonaptera, 19, *2i ; origin of, 24. 



*2 S 



Sirc.r, ovipositor of, *7O 

 Sirodot, 421, 429 



Sitaris. 174 



Size of insects, 27 



Skin, 73 



Skull, *29 



Skunk, insectivorous, 280 



Slingerland, on losses through insects, 



394; 403, 405 

 Smell, 98; end-organs of, *99, *ioo, 



*IOI 



Sniintluinis, *9, 10 

 Smith, J. B., 4.05, 415, 416, 465 

 Smith, T., on Texas fever, 306 

 Snodgrass, on Orthoptera of Galapa- 

 gos Ids., 371, 374 

 Snow flea, *9 



Soldier, ants, 330; termites, *3i6 

 Sollmann, 418 

 Somatic cells, 146 

 Somatogenic variations, 241 

 Sorensen, 413 

 Sounds, 103 

 Species, origin of, 245 

 Spence, 410, 411 

 Spencer. 452 

 Sprrmatheca, *i4i, *i42 

 Spermatogenesis, 146 

 Spermatophores, 142 

 Spermatozoa, *i4i, 142 

 Sperm-nucleus, *i46 

 Speyer, on hermaphroditism, 143 

 Sphecina, 315 

 Sphecins, 315 

 Splic.r. *j6^; behavior of, 359, 362, 



*363 



Sphingidse, as pollenizers, 262, *266 



Sphinx, alimentary tract of, *H9 ; dis- 

 persal, 367 : pulsations of heart, 

 128; transformation, *i82 



Spichardt. 437 



Spines, 76 



Spinneret, *84 



Spiracles, closure of, *i36; number, 

 66, 136 



Spirobolns, *3, 4 



Spongioplasm, 87 



Sporotrichitm, 259 



Spuler. on scales, 78; 417. 423, 448 



Spur, *53 



Squama, 58 



Squash bug, metamorphosis of, *is8 



Stadium, 159 



Stagnwmantis, leg of, *53 



Standfuss, temperature experiments 

 of, 205, 373 ; 448 



Stefanowska. on pigment, 113, 428 



Stegomyia, in relation to yellow fever, 



304 

 Stein, 436 



