INDEX 269 



Vitelline membrane, 117 White fibrous tissue, 101 



Vitreous humour of eye, 69 



Vocal chords, 42 Xiphisternum, 30 



Vocal sacs, 42, 



Vol-vocince, 178 



Volvox globator, 182 Yolk, 117, 122 



Volvox minor, 185 ^ olk granules, 145 



Vomerine teeth, 18 



Vomer, 27 Zoothamnium, 206, 215 



Vorticella monilata, 205 Zygapophyses, 22, 23 



Zygote, 155, 172, 176, 185 



White fibres in cartilage, 99 Zymogen granules, 86 



