INDEX 269 



Vitelline membrane, 117 White fibrous tissue, 101 

 Vitreous humour of eye, 69 



Vocal chords, 42 Xiphisternum, 30 

 Vocal sacs, 42, 

 Volvocina, 178 



Volvox globator, 182 Yolk, 117, 122 



Volvox minor, 185 Yolk 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 



