INDEX. 



503 



Touen, organ of, ii. 190 238 

 Transition forms, i. 117 

 Tread, i. 138 

 Triassic period, ii. 14, 19 

 Tribal history, i. 7, 24 

 Trophic germ-layer, i. 239 

 Tucce Fallopice, ii. 431 

 Tube-hearts, ii. 120 

 Tunicate, ii. 83, 92 

 Turbellaria, ii. 79 

 Twixt-brain, ii. 220, 232 



jaw, ii. 246 



Tympanic cavity, ii. 261, 268 



membrane, ii. 261, 268 



Tympanum, ii. 261, 268 



Types in animal kingdom, i. 56, 246 



theory of, i. 56, 246 



Ulna, ii. 278, 304 



Ungulata, ii. 160, 188 



Unitary conception of the world, i. 



17 ; ii. 456 

 Urachus, ii. 413 

 Ureter, ii. 413 

 Urethra, ii. 423, 431 

 Urinary bladder, ii. 413 



ducts, ii. 406 



organs, ii. 403 



sac, i. 379 



sexnal cavity, ii. 419 



sexnal duct, ii. 403 



system, ii. 403 



Uterus, ii. 417, 431 



bicornis, ii. 418 



masculinus, ii. 419 



Uvula, ii. 430 



Vagina, ii. 417, 431 



Vampyrella, ii. 48 



Van Beneden, Eduard, i. 60, 209 ; 



ii. 398 

 Vna deferentia, ii. 403, 429 



umbilicalia i. 399 



7aonlar system, ii. 384 



Vegetative fferm-lnyer, i. 196, 327 



organs, ii. 193, 194 



Veins, i. 393 

 Ventral cavity, i. 316 



plates, i. 316 



vessel, i. 423 



wall, i. 316 



Ventricle of heart, ii. 374 



Vermal appendage of ccecnin, ii. 34 1 



Vertebras, ii. 280 



number of, ii. 288 



Vertebral arches, ii. 284 



bodies, ii. 284 



canal, ii. 284 



column, ii. 280 



Vertebrarium, ii. 278 

 Vertebrates, ii. 92 

 Vertebrates, ancestors of, ii. 185 



mental capacities of, 



ii.446 



pedigree of, ii. 93 



system of, ii. 97 



Vesicula blastodermica, i. 290 



germinativaj i. 133 



prostatica, ii. 419 



umbilicalia, i. 377 



Vestibulum vagina, ii. 431 

 Virginal generation, i. 170 

 VitMus, i. 135 



WAGNER, MORITZ, i. 114 

 Wallace, Alfred, i. 98, 99 

 Water, amount of in body, ii. 7 

 Whale-like Animals, ii. 160, 169 

 Whales, ii. 160 

 Wolff, Caspar Friedricli, L 40 



his life, i. 41 



his Natural Philosophy, i. 47 



on formation of intestine, i. 44 



on germ-layers, i. 45 



Theoria Qeneraiionit, i. 41 



Wolffian bodies, ii. 411 



duct, ii. 414, 431 



Wolffs primitive kidneys, ii. 411 , 431 

 Woolly hair of embryo, ii. 200 

 Worms, i. 246 ; ii. 74 



ancestors of, ii. 73 



tribe of, ii. 73 



Wrist, ii. 278 



