PLATE I 



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A. Ph;mknt of Cho- 

 KoiD Coat and Pigment 

 »K Iris Absent. 1. The 

 \lbi.\o pye. Hod from 

 unobscurefl blood \esscls. 



B. Pigment of Cho- 

 roid Present. 



a. Iris without True 

 Pigment. 2. Blue. Due 

 to a purplo layer on back 

 :>f eve. 



True 



/3. Iris with 

 Pigments. 



a. Lijwchrome or yellow 

 pi(/ment. 3. Green or cat 

 eye. Yellow pigment on 

 blue background. 



h. Melanic or black pig- 

 ment. 4. Hazel or gray 

 ?ye. Dilute brown pig- 

 ment around pupil only. 



5. Brown eye. Melanic 

 pigment ; various shades 

 from various dilutions. 



6. Black eye. An 

 abundance of melanic pig- 

 ment. 



EYE COLORS IN MAN. 



