f='LATE 1, 



1. Eyeof Emu dissected to show anterior and 

 posterior chamber of globe, showing well- 

 developed peeten, almost spherical eye, flat- 

 tened lens. Type of eye normally focussed 

 tor distance. 



. Globes of the eye of a Homed Owl. Skull dissected 

 away to show comparative size of eyes to the brain. 

 Cornea removed from right eye. Specimen shows the 

 tubular eye of near-sighted night birds, the eyes 

 capable of forward vision, both seeing practically the 

 same field of vision. 



3. Plain Wanderer. Typo of total monocular vision. Both 

 visual fields distinct. 



