PLATE 16 







I 







I 

 I 



I 

 I 



~'*.? 





Adult male crested pigeon, Ocyphaps lopholes. X 0.7. Toda del., May 1906. Last (posterior) 

 four rows of feathers of right wing. The extent of iridescence is marked by dotted circles; 

 the presence and depth of pigment by stippling of various degrees. 





