INDEX 



299 



Testicular veins, 54 



Thalamencephalon, 62 



Third ventricle, 62 



Tibiale, 36 



Tibial nerve, 61 



Tibio-fibula, 33 



Tissue, 6 



Toad, 1 8 



Toes, 1 8 



Tongue, 19 



Touch cells, 88 



Touch spots of Merkel, 88 



Tractellum, 189, 196 



Transverse process of vertebra, 23 



Trapezoid bone, 37 



Trapezium bone, 37 



Trigeminal nerve, 66 



Trochlea, 30 



Trochlear nerve, 65 



Trophozoite, 163, 179 



Transitional epithelium, 85 



Trichocysts, 220 



Truncus arteriosus, 46, 48, 57 



Tympanic cavity, 18, 70 



Tympanic membrane, 17 



Typical organs, 35 



Ulna, 30 

 Ulnare, 31, 36 

 Unciform bone, 37 

 Undulating membrane, 223, 235 

 Unicellular animals, 214, 246 

 Unipolar nerve cells, 91 

 Unity of Nature, 214 

 Univalent chromosomes, 122 

 Urea, 8 

 Ureter, 43 

 Urinary bladder, 40 

 Uriniferous tubules, 43 

 Urogenital artery, 51 

 Urostyle, 22, 24 

 Uterus, 44 

 Utriculus, 71 



Yacuolated cells, 100 

 Vagus nerve, 67 

 Yasa efferentia, 44 



Vegetative cells, 246 

 Vegetative Multiplication, 282 

 Veins, 49, 52 

 Vena cava inferior, 46, 55 



superior, 46, 54 

 Venous blood, 56 

 Vent, 17 



Ventral fissure of spinal cord, 60 

 Ventral root of nerve, 61 

 Ventral surface, 16 

 Ventricles of brain, 62 

 Ventricle of heart, 46 

 Venules, 52 

 Vertebra, 22 

 Vertebral artery, 51 

 Vertebral column, n, 22 

 Vertebrata, 18, 72 

 Vesical vein, 55 

 Vesicula seminalis, 43 

 Virchow, in, 191 

 Vision, in Euglena, 192 

 Vitelline membrane, 117 

 Vitreous humour of eye, 70 

 Vocal chords, 42 

 Vocal sacs, 42 

 Volvocina, 206 

 Volvox globator, 210 

 Volvox minor, 213 

 Vomerine teeth, 18 

 Vomer, 27 

 Vorticella monilata, 234 



White fibres in cartilage, 102* 

 White fibrous tissue, 101 



Xiphisternum, 30 



Yolk, 1 1 6, 126 

 Yolk granules, 152 



Zoospore, 142 



Zoothamniitni, 234, 244 



Zygapophyses, 22, 23 



Zygote, 142, 153, 167, 183, 200, 



204, 208, 213 

 Zymogen granules, 87 



