<6i4 



INDEX 



Tapeworms, 209. • 

 Teeth, 343. 



bunodont and lophodont, 464. 



of dogfish, 343, 350. 



of frog, 46. 



of rabbit, 439. 



of mammals, 439, 464, 474. 



seleno'dont, 467. 

 Teleostei, 381, 518. 

 Teleostomi, 377, 380, 518. 

 Telson, 240. 

 Tentacles, of Hydra, 161. 



of medusa, 176, 177. 



of Obelia polyp, 1 74. 



of sea-anemone, ' 186. 



prostomial, of 'Nereis, "233. 



velar, of Ampkioxus, <32$. 

 Tergum, of crayfish, 240. 

 Testes, 65. 



of Ascaris, 299. 



of cockroach, 280. 



of crayfish, 264. 



of dogfish, 357. 



of earthworm, 227. 



of frog, 65. 



of Hydra, 171. 



of liver fluke, 204. 



of lizard, 578, 580. 



of pigeon, 414. 



of rabbit, 446. 



of reptiles, 391. 



of Teleostei, :Jg 1. 

 Thalamencep'halon, of 'dogfish, 



3°4- 



of frog, 71, 73. 



of rabbit, 453. 

 Thalami,' optic, 72. 

 Thorax, of cockroach, 272. 



of crayfish, 240. 



of rabbit, 421, -444. 

 Thyroid body, 51, 359, 444. 

 Ticks, 269, 270. 

 Tissue, 19, 83. 



adipose or fatty, 97- 



connective, 19, 97. 



epithelial, 88. 



■ mesoblastic, 495. 



muscular,' 95. 

 'nervous, 92. 



skeletal, 96. 



various forms of, 19, 88. 



Tortoises, 392. 



Trematoda, 208 514. 



"Trial and Error," method Of, 



134- 

 Trichinella, 305, 308. 

 Trichocephalus, 306, '307. 

 Trichocysts, 130. 

 Triploblastica, 230, 495, 514. 

 Trochlea, 38. 

 Trochosphere, 234. 

 Trophoblast, 508. 

 Trophonucleus, 148. 

 Trophozoite, 126, 151, t§6. 

 Tropisms, 134. 

 Truncus arteriosus, 52. 

 Trypanosoma, 147. 

 T. brucei, 150. 

 T. cruzi, 151. 

 T. equinum,' 151. 

 T. gambiense, ,'149. 

 T. rhodesiense, 151. 

 Tuberculum, or tubercle of rib, 



404/ 426. 

 Turbellaria, '208, 514. 

 Turtles, 385, 391, 392. 

 Tylenchus scandens, 302, 308. 

 Typhlosole, of earthworm, 22 1 . 

 of swan mussel, 319. 



Umbilicus, superior and inferior, 



of feather, 400. 

 Umbo, 311. 

 Unguiculata, 463, 471. 

 Ungulata, 462, 464, 520. 

 Unguligrade, 464. 

 Unity of life processes, 15. 

 Unorganised things, 547. 

 Urea, 3, 65. 

 Ureter, of dogfish, '356. 



of pigeon, 414. 



of rabbit, 446. 



(so-called) of frog, ( <>5. 

 Urodaeum, 411. 

 Urodela, 383, 518. 

 Urostyle, 27. 

 Uterus, of Ascaris, 299. 



of liver fluke, 204. 



of rabbit, 448. 

 Uterus masculinus, 448. 



Vacuoles, 86. 



