INDEX 



837 





?/.«, 196* 

 ectibranchia. 734 \ 7~><» 

 Teloblast, 4(il 

 Telolecithai; --'lit* 

 Telotrochal, 486* 

 Telson, 541* 

 Temnocephala, 259. 280, 269, 277,278, 



279 

 Temnocephalea, BBS*, 259, 260. 260, 273, 



278. 279. 284, 287 

 Tendon, 37* 



Tentacle sheath, 210*: Knots, 155* 



Tentacle*, 32*, 91 



Tentacular canal, 213 



Tentaculifera, 01* : Body and tentacles, 



99, 100: Nucleus, contractile vacuoles. 



shell, colonies, reproduction, 100, I'd 

 Tentaoulocyst, 166 , 172 

 Tentorium,' 626* 

 TerebeUa, 474 

 Ttrebdtidn, 472, 474 

 Terebra, 738 

 T< rebratula, 3<>i>, 368 

 Terebratiiliilu, ,H67* 

 TerebratvUna, 372 

 Teredo, (i'tfi, 701 

 Terga, 578* 

 Tergum, 541* 

 Termite*, 833 

 Tem rn, 177, 178 

 Testis -See Spermary 

 Tethya, 734 

 Tetrabranchiata, 790*. 792, 795, 797, 798, 



803, sot 

 Tetremita, 71 

 Tetrarhynckua, 261, 282 

 Tetrastemma, 291 

 Thaiastoplancta, 61 

 Thalkuema, 499 

 Theca, Jo.", 



Thomson, J. Vaughan. 3 

 Thorax, of Apn», 631 : Attaeiu, 541 



/'. riptam in , 622: Solpugida, 664 

 Thread-worms, 297 — See Neinathel- 



mintlns 

 Thymnopoda, 568 

 Thymnozoon, 265 

 Thysanura, 640 

 Thurirnl'i. 95 



Ticks, 663, 661 Sue Aearida 

 Tiedemami's vesicle, 383*, 428 

 Tmtinniditim, 94 

 Tissues, 23* 

 TomopU rie, 488 



Tooth-shells, 680 — See Scaphopoda 

 Trachea?, 36*, 600, 743 

 Tracheal gills, 642, 643 

 Tvachelkutes, 516 

 Trnr/i, /;>,,<, 94 

 Tmekefomomu, 71 



Trachylinae, 142* : General structure, 

 153 : Sense organs, 154 : Tentacles, 



166: Reproductive organs, 154. 166: 

 Development, 166, 156 



Trachymedusae. 142*, 154, 166, 168 

 Translation, 286 

 Trap-door Spider, 672 

 Trapezia, 209 



Trematoda, 252*, 257, 258, 259, 260, 264. 

 265, 286, 267, 268, 269, 270, 272, 273, 

 277. 278, 279, 284, 285, 286, 287, 288 : 

 Example, 240 

 Treptoplax, 233 

 1'rin, -thru* beckU, 606 

 Trichina, 310, 311 

 TrickineOa, 306, 311 

 Triehiniasis, 312 

 Tricliocyst, 89, 93 

 Trichoplax, 233 

 Trichostomata, 91 

 Tricladida, 252*, 253, 255, 257, 263, 264, 



267, 268, 269, 271, 275, 276, 283, 284 

 Tridacna gigas, 710 

 Trigger-hair— See Cnidocil 

 Tniimiia, 695, 701, 710, 711 

 Trilobita, 604, 605, 606, 677 

 Trimorphism, 129* 

 Trimyaria, 290 

 TrittlcothoHa, 319 



Triton noiukkkis, 721 : Shell, 721, 722. 

 723 : External features of soft parts, 

 723 : Foot, 724 ; Visceral spiral, 725 : 

 Manthv 725 ; Ctenidium, 725 ; Os- 

 phradinm, 726 : Digestive system, 726, 

 727, 728 : Vascular system, 729 : Ex- 

 cretory system, 729: Nervous system, 

 72!). 730, 731 : Sensory organs, 731 : 

 Reproductive organs, 732 : Systematic 

 position, 734 

 Tritonidai, 733, 734*, 745 

 Trivium, 377*, 416 

 Troche! disc, 324 



Trochelminthes, 322* : Appendix, 336 

 Trorheta, 516 



Trocliophore — See Trochosphere 

 Trochoephara, 328, 332. 336 

 Trochosphaerida, 328* 

 Troohosphere, 322, 440 

 troehuf, 733, 747 

 Trombidium fuliginoettm, 665 

 Trophozoite, 80 

 TrypoMODOmet, 71. 72 

 Tube-feet, 377*. 376, 395, 401 

 Tiilnfix, 473, 483 

 TubUcida, 188 



Tub'ipora, 195, 108, 199, 203, 208, 210 

 Tvbviaria, 145, 161 

 Tubularioj, 143 



Turbellaria, 252*, 866, 256. 257. 282, 

 283, 264, 286, 266. 267. 268, 269, 271, 

 272, 273, 274, 275, 276, 284, 288 : Ex- 

 ample, 236 

 Turbo, 733, 747 

 Typhlosole, 458*, 475, 685 



