- 93 - LEPUS. 



177. Foetus. Draw a side view of a young foetus, with its membranes and placenta, 

 removed from the uterus of a pregnant female, showing : placenta, with villi ; allantois, 

 with blood-vessels ; yolk-sac ; amnion ; foetus. Cut away the membranes and draw a 

 side view of the exposed foetus, showing : head, with lobes of brain ; olfactory, optic and 

 auditory capsules ; gill arches ; rudiments of limbs ; umbilical stalk ; tail. 



