INDEX. 



903 



Thyone 268 2 , 269, geni- 

 tal papillal 262, stone- 

 canal 253. 



Thyopsis 850 2 . 



Thyreophoridae 750. 



Thyrididae 717 2 . 



Thyrsophorus 678'. 



Thysanocrinus 296 2 . 



Thysanoessa 471 l . 



Thysanopoda 471 l . 



Thysanoptera 689. 



Thysanote 409 2 . 



Thysanura 657, eyes of 

 329. 



Tiarechinus 238, 239 1 . 



Ticks 849 2 , dog, rep- 

 tiles 850 1 . 



Tiedeman's bodies As- 

 teroids 184, Echino- 

 derms 129, function 

 130. 



Tiedemann's pouch 177. 



Tiger-beetle 725 2 , 726 1 . 



Tiger-moth 718 2 . 



Tillus 732 1 . 



Tinaegeriidae 715 2 . 



Tinea 720 2 . 



Tineola 720 2 . 



Tingidae 692 2 . 



Tinodes 707 2 . 



Tiphys 851 l . 



Tipula 746 1 , wing 614. 



Tiron 501 '. 



Tisbe 405 2 . 



Titanethes 487. 



Tithorea 712 1 . 



Tityus 806 2 . 



Tmarus 824 2 . 



Tmeticus 823 2 . 



Tomosvary organ 586, 

 597. 



Tomateres 70S 1 . 



Tongue, Insect 611. 



Tonia 191 2 . 



Tornaria 95, 98, grena- 

 cheri 99. 



Torrenticola 851 \ 



Tortrix 720 2 . 



Torus angularis Ophiu- 

 rids 198. 



Toxocidaris 242 2 . 



Toxopneustes 242 2 . 



Tozeuma 533 1 . 



Tracheae 338, Arach- 

 nida 776, Chilopoda 

 599, Diplopoda 587, 

 Insecta 630, Peripatus 

 560, spiders 813, wood 

 lice 441. 



Tracheliastes 409 2 . 



Trachyiulus 593 2 . 



Trachypetra 672 2 . 



Trachysoma 593 1 . 



Trans. Linn. Soc. The 

 Transactions of the 

 Linnean Society of 

 London. 



Trapezia 548 2 . 



Trebius 408 1 . 



Tremaster 191 l . 



Tremex 757, 758. 



Trepang 264, 266 2 . 



Triacrinus 293 1 . 



Triangulus 433-. 



Triarthrus 362, 363, 364, 

 365. 



Trichaster 207 1 , pedi- 

 cellariae of 196. 



Trichiura 717 2 . 



Trichobranchiae 519 1 . 



Trichodectes 661. 



Trichoecius 852 2 . 



Trichoniscus 487. 



Trichoptera 706. 



Trichopterygidae 728 2 . 



Trichotarsus 854 2 . t 



Trichthacerus 409 2 . 



Trichura 715 2 . 



Tricoelocrinus 312, 313. 



Tricongius 822 1 . 



Trictenotomidae 734 2 . 



Tridactylus 674 2 . 



Tridentate 223. 



Trigonalys 761. 



Trigonidiinae 675 l . 



Trigonocidaris 241 2 . 



Trilobita 361, occur- 

 rence 365, affinities 

 366. 



Trimeria 767. 



Trineura 748 2 . 



Trinucleus 365. 



Triphaena 719 1 . 



Triphleps 694 1 . 



Triphyllous 224. 



Tripneustes 242 2 . 



Trischizostoma 501 2 . 



Trithyreus 810 2 . 



Tritocerebrum 321, 634. 



Tritoma 730 1 . 



Triungulin 737. 



Trivium 118, Crinoids 

 272, Holothurians 

 249 



Trochilium 715 2 . 



Trochocystis 309. 



Troche-derma 269 2 . 



Trochodota 269 2 . 



Trochostoma 268, 2 



stone-canal 254. 



Troglocaris 532 1 . 



Trogosita 729 1 . 



Trogulus 840, 842 2 . 



Trombidium 850 2 . 



Troostocrinus 312. 



Trophi 621. 



Trophozooid 60. 



Tropidoderus 670. 



Tropidomantis 669 ] . 



Tropiocaris 531 2 . 



Trouessartella 851 2 . 



Trouessartia 852 2 . 



Trunk coelom Balano- 

 glossida 89, lateral 

 septum 89. 



Trunk-legs of Decapods 

 522 1 . 



Trygaeus 784. 

 j Trypeta 750 2 . 

 i Tryphana 503 2 . 



Trypoxylon 769 1 . 



TryxaHs 672 1 . 



Tsetse-fly 752 \ 

 \ Tylaster 191 \ skin 169. 



Tylobranchion 34 2 . 



Tylos 487. 

 | Tympanorhinae 673 2 . 



Tympanoterpes 696. 

 j Typhlosole of Tunicata 



14. 



i Typopeltis 810 *. 

 I Typton 533 2 . 



Tyro 503 2 . 

 ! Tyroglyphus 847, 854 2 . 



Tyrrellia 850 2 . 



Tube-feet Cystids 309, 

 (podia) Echinoderms 

 129, Holothurians 250, 

 254. 



Tubicinella 425 J . 

 j Tubulifera 690 1 , 761. 

 I Tucca408 2 . 



Tunic of Tunicata 3. 



Tunicata 1, history of 

 2, Cuvier on 2, La- 

 marck on 2, Milne- 

 Edwards on 2, Kowa- 

 levsky on 2, Krohn 

 on 2, affinities of 2, 

 habits of 2, classifica- 

 tion of 25, develop- 

 ment of 20, commen- 

 sals on 406. 



Tunic ates, parasite of 

 407 !. 



Turnip sawfly 758. 



Turnip-flea 735 2 . 



