A 
A 
MONOGRAPH 
Jl 
i 
of y 
E T ROfJON I HE. 
FAMILY OF TROGONS. 
JOHN GOULD, F.R.S. &c. 
£X?C. 
✓ 
LONDON: 
PRINTED BY TAYLOR AND FRANCIS, RED LION COURT, FLEET STREET. 
PUBLISHED BY THE AUTHOR, 26 CHARLOTTE STREET, BEDFORD SQUARE. 
1875. 
