614 



INDEX. 



Stechfliege, 576. 

 Stelleridea, 292. 

 Stemmata Arthropoda, 



408. 



Stenorhynchus, 478. 

 Stentor, 205. 

 Stephanoceros, 40 1. 

 Btephanosphasra, 195. 

 Sterile polyp, 237. 

 Sternum, 525. 

 Stigmata, 71. 

 Stilettfliegen, 576. 

 Sting, 592. 

 Stipes, 523. 

 Stomatopoda, 470. 

 Stomobrachium mira- 



bile, 239. 

 Stomoxys, 576. 

 Stone canal, 272. 

 Stratiomys, 577. 

 Strepsiptera, 565. 

 Stridulantia, 571. 

 Strobila, 125, 255, 256. 

 Strongylidae, 347. 

 Strongylocentrotus, 296. 

 Strongylus, 352. 

 Struggle for existence, 



145. 



Stut zk lifer. 590. 

 Stylaria, 386. 

 Stylasteridae, 241. 

 Stylochus, 316. 

 Stylonychia. 205. 

 Stylops, 566. 

 Suberites, 229. 

 Subgenital pits of Dis- 



cophora, 260. 

 Submentum, 524. 

 Suboesophagcal gar>-- 



lion, 82. 



Sub-species, 141. 

 Succession of similar 



types, 171. 

 Suctoria, 205, 446. 

 Summer eggs of Phyl- 



lopoda, 418. 

 Summer eggs of Eoti- 



fera, 403. 

 Summer eggs of Turbel- 



laria, 313. 



Supra-cesophageal gang- 

 lion, 80. 



Swallow tail, 585. 

 Swammerdam, 133. 

 Sweat glands, 77. 

 Sycaltis, 222. 

 Sycandra, 222. 

 Sycetta, 220. 

 Sycilla, 222. 

 Sycon, 221, 222. 

 Syconidse, 212, 217, 222. 



Sycortis, 222. 



Syculmis, 222. 



Sycyssa, 220. 



Syllis, 379. 



Syllis prolifera, 372. 



Symbiotes, 492. 



Sympathetic, 82. 



Synapta, 278, 283, 298, 



299. 



Synaptidas. 283. 

 Syrphus. 576. 

 System, Meaning of, 150. 

 System of Aristotle, 132. 



,, Cuvier, 136. 



Linnaeus, 135. 

 Pliny, 132. 



Present day, 

 138. 



Tabanidte, 574, 576. 

 Tabanus, 577. 

 Tachina, 576. 

 Tachinse, 541. 

 Tactile corpuscles, 47. 

 Tnenia, 327, 330,331.335. 

 Tajuia cucumerina, 329. 

 Tasniadse, 334. 

 Talitrus, 455. 

 Tanais, 459. 

 Tanystomata. 576. 

 Tanzfliegen, 576. 

 Tapetenmotte, 582. 

 Tapeworm 326. 

 Tarantula, 504. 

 Tardigrada, 496. 

 Tarsus, 527. 

 Taste, 92. 

 Tegenaria 504. 

 Tegmina, 528. 

 Tegulse, 591. 

 Teleas, 594. 

 Teleas, larva of, 549. 

 Telephorus, 589. 

 Telepsavus, 382. 

 Telepsavus- Chsetopterus 



larva, 378. 

 Telolecithal, 112. 

 Telotrocha, 378. 

 Tclson of thoracostrara 



461. 



Tenebrio, 589. 

 Tenthredo, 594. 

 Teratology, 51. 

 Tercbella, 3S2. 

 Torcbra, :.'.>-'. 

 Terebrantia, 594. 

 Terga of Cirripedia, l.'!9. 

 Tonnes, 501. 

 Termites, 559. 

 Terricolre, 385. 

 Tcsselata, 289, 



97. 



Tetracoralla, 230. 

 Tetranychus, 495. 

 Tetraphyllidte. 338. 

 Tetraplasta, 194. 

 Tetrapneumones. 504. 

 Tetrarhynchus. 327. 33S. 

 Tetrastemma, 341, 342. 

 Tettigonia, 571. 

 Tettix, 558 

 Textularia, 187. 

 Thalamophora, 180. 

 Thalassema, 392. 

 Thalassicolla. 190. 

 Thalassina, 477. 

 Thamnocnidia, 241. 

 Theca of Actiiiozca,22S. 

 Thecla, 585. 

 Thecodontidos, 175. 

 Thelyphonus. 508. 

 Thereva, 576. 

 Theridium, 502. 50{'. 

 Theriodonta, 175. 

 Thomisus, 504. 

 Thoracostraca. 46C' 

 Thread cells, 212. 

 Threadworms, 314 

 Tlirips, 559. 

 Tlij'sauopoda, i75 

 Thysanozoon, 316. 

 Thysanura, 553. 

 Tibia, 526. 

 Ticks, 493. 

 Tiger-beetles, 590. 

 Tillodontia, 173. 

 Tillotherium, 173 

 Tima, 242. 

 Tinea, 582. 

 Tipula, 578. 

 Tipulariae, 577. 

 Tissue, 29. 

 Todtengraber, 590. 

 Tomopteris, 380. 

 Tornaria, 300. 

 Tortoiseshell butterflv. 



585. 



Tortrix, 582. 

 Touch, 84. 

 Toxodon, 170. 

 Toxodontia, 173. 

 Toxopncustes, 296. 

 Tracheae, 70, 410. 

 Trachelius, 204. 

 Trachymedusa; 239, 2-12. 

 Trachynema, 239, 2JL'. 

 Trachys, 589. 

 Transverse plane of 



Ctenophora, 2(!2. 

 Trap-door spider, 501. 

 Trematoda, 316. 

 Trepaug. 299, 



