564 
Singa, 409 
Sintula, 406 
Siphonostomata, 56 
Siriella, 120 
Siro, 448 
Sironidae, 448 
Sitalces, 449 
Slimonia, 283, 290, 292; S. acuminata, 
291 
Smith, F., 367 
Smith, G. on Crustacea, 1 f. 
Smith, H., 373 
Smith and Kilborne, 456 
Snouted Mites, 458, 471 
Solenopleura, 247 
Solenysa, 405 
Solifugae, 2958, 423 f.; habits, 423; 
climbing habits, 425; doubtfully 
poisonous, 424; external structure, 
425; internal structure, 427 ; classifi- 
cation, 428 
Solpuga, 429; S. sericea, 425 
Solpugae, 423 
Solpugidae, 429 
Solpuginae, 429 
Spallanzani, on desiccation of Tardigrada, 
484 
Sparassinae, 323, 414 
Sparassus, 414 
Spencer, on Pentastomida, 489 n., 490 
Spermatheca, 15 
Spermatophore, 15 
Spermatozoa, of Crustacea, 15; of Mala- 
costraca, 114 
Spermophora, 401 
Sphaerexochus, 251 
Sphaeroma, habitat, 211 
Sphaeromidae, 726 
Sphaeronella, 76 
Sphaerophthalmus, 232, 247; S. alatus, 
eye, 228 
Spiders, 314 f. ; external structure, 314, 
316, 317: appendages, 319 f. ; rostrum, 
320; maxilla, 321; palpal organs, 321 ; 
tarsi, 324 ; spinnerets, 325 ; stridulating 
organs, 327, 404 ; internal anatomy, 329, 
330; alimentary system, 329 ; vascular 
system, 331; generative system, 353 ; 
nervous system, 333; sense - organs, 
333; eyes, 315, 334, 375; spinning 
glands, 335; respiratory organs, 318, 
336; coxal glands, 337 ; poison-glands, 
3373 ecdysis, 3838; early life, 338; 
ballooning habit, 341, 342; webs, 343 f.; 
nests, 354; cocoons, 358, 358; com- 
mercial use of silk, 359; poison, 360; 
fertility, 365; cannibalism, 367 ; 
enemies, 368; . protective coloration, 
371; senses, 375 f. ; sight, 375 ; hear- 
ing, 3876; touch, 334; intelligence, 
377; mating habits, 378 ; fossil, 883 ; 
classification, 384 f. 
INDEX 
Spinning glands, 335 
Spinning Mites, 472 
Spiroctenus, 388 
Spongicolu, 162 
Squilla, 141, 141, 142, 148 ; 
resti, 141; S. mantis, 141 
Squillidae, 114, 243 ; compared with Lori- 
cata, 166 
Stalita, 395 
Stasinopus caffrus. 387 
Staurocephalus, 251 
Steatoda, 404; S. bipunctata, 327, 404 
Stebbing, on Amphipods, 137 ; on Pycno- 
gons, 503 n., 527 n. 
Stecker, 447 
Stegosoma testudo,- 318 
Stenochilus, 398 
Stenochotheres, 76; S. egregius, 76, 76 
Stenocuma, 121 
Stenopodidae, 162 
Stenopus, 162 
Stenorhynchus, 192, 193 
Stephanopsinae, 414 
Stephanopsis, 414 
Stiles, on larval Pentastomids, 498, 494 
Stomatopoda, 114, 747 f. 
Storena, 399 
Strabops, 283 ; eyes, 290 
Strauss-Dureckheim, on Limulus, 277 
Streblocerus, 53 
Streptocephalus, 25, 35; range of, 34; 
S. torvicornis, 35 
Stridula*tng organs, in Arachnids, 
327, 327, 404 
Stygina, 249 
Style, of palpal organ of Spiders, 322 
Stylocellus, 448 
Stylonurus, 283, 291 ; S. lacoanus, 293 
Sunaristes paguri, 63 
Sun-spiders, 423 
Sybota, 410 
Sylon, 95; sex, 99 
Symphysurus, 249 
Synageles, 421 ; S. picata, 366, 373 
Synagoga mira, 94 
Synearida, 774 
Synemosynd, 420, 421; S. formica, 373 
Synhomalonotus, 249 
Syringophilus, 455, 473 
S. desma- 
Zoe 
Tachidius brevicornis, 62; T. littoralis, 
62 
Tachypleinae, 276 
Tachypleus, 276; T. gigas, 276; T. 
hoeveni, 277 ; T. tridentatus, 276 
Talitridae, 739 
Talitrus, 139 ; T. sylvaticus, 139 ; habitat, 
PAL 
Talorchestia, 139 
Tanaidae, 722 
Tanais, 122 
Tanganyika, Lake, prawns of, 212 
