INDEX 643 



Tentacles (cont.) 



of Ctenophora, 172, 173; of Gas- 

 teropoda, 471, 477, 482, 494, 495 ; 

 of Holothuroidea*, 573, 577; of 

 Hydrozoa*, 132, 133, 135, 138, 

 139, 143, 145, 147; of Nautilus, 

 527; of Polychaeta, 230, 231, 235, 

 237; of Polyzoa, 530; of Scypho- 

 medusae, 151, 152, 155; of Suc- 

 toria*, 15, 107, 108, 109; of 

 Turbellaria, 176 



Tentaculata, 173 



Tentaculocysts, 154 



Terebella, 231 



Terebratula, 537, 542 



T. seniiglohosa, 538 



Teredo, 511 ; 512 



Terga (Tergites), 295, 297, 373, 378, 

 381,449 



Terga of Lepas, 338 



Tergo-sternal muscles, 392 



Termes, 414 



Terminal tentacle of Echinodermata, 



554, 564 

 Terricola, 189 

 Tertian ague, 88 

 Test of Tunicata, 592; 597, 598, 600, 



602 

 Testacella, 496 ; 495 

 Testes, see Generative organs. Go- 

 nads 

 Testicardines, 542 

 Tetrabothriata, 204 

 Tetrabranchiata, 525; 513 

 Tetragraptus, 148; 149, 150 

 T. denticulatus , 150 

 T. hicksi, 150 

 T. similis, 149 

 Tetrastemma, 208 

 Textrix denticulata, 460 

 Thalassicolla, 75 ; 76 

 T. pelagica, 36 



Thaliacea, 603 ; 599, 600, 601 

 Theca, 167 

 Thecoidea, 582 

 Theridium, 444 

 Thompsonia, 345 ; 346 

 Thoracic limbs, of Crustacea*, 292- 

 3, 294, 298, 300, 301, 303, 333, 

 348, 349, 350, 351, 355; of Euca- 

 rida, 300; of Peracarida, 300. See 

 also Legs, Maxillipeds 

 Thoracic membrane, 237 

 Thoracica, 338 



Thorax, of Arthropoda, 27 1 ; of 

 Crustacea*, 271, 294, 296, 316, 



319, 331, 347, 349, 351, 355, 358; 

 of Insecta*, 385, 415 ;of /w/m^, 381 ; 

 of Polychaeta, 237 

 "Thorax" of Tunicata, 596, 598 

 Thysanoptera, 424 

 Thysanozoon, 190 

 Thysanura, 406 

 Tibia, 385 

 Ticks, 465 



Tiedemann's bodies, 560, 569 

 Tin tinnidium , 1 04 

 T. inquilifiwn, 1 01 

 Tintinnina, 102 

 Tipula, 92 



Tocophrya quadripartita, loi 

 Todarodes Sagittarius, 525 

 Tomoceros, 408 

 Topotaxis, 33 

 Tornaria larva, 590; 588 

 Torsion of Gasteropoda, 477 

 Toxiglossa, 490 

 Trabeculae, of Ciona, 594; of 



Crinoidea, 580 

 Tracheae, 278; of Arachnida*, 445, 

 447, 448, 459, 462, 465 ; of Insecta, 

 391 ; of Myriapoda, 378, 381 ; of 

 Onychophora, 284; of Woodlice, 

 279. See also Stigmata, Tracheal 

 gills 

 Tracheal gills, 394, 414, 417, 421, 



422, 425, 427 

 Trachelomonas, Flagellum of, 12 

 Tracheoles, 139 

 Trachomedusae, 143; 132, 154 

 Trachylina, 133; 142, 143 

 Transverse fission of Protozoa, 24 

 Trematoda, 190; 174 



Triaenophorus nodulosus, 204 



Triarthrus hecki, 288 



Triatoma, 59 



Trichinella spiralis, 222 



Trichobranchiae, 366 



Trichodina, 104 



T. pediculus, loi 



Trichoinonas , 60; 14 



T. muris, 60 



Trichonympha, 62 ; 63 



T. campanida, 62 



Trichoptera, 426; 393 



Trichosphaerium, 69; 67 



Tricladida, 189; 186 



Trilobita, 287 



