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BIOLOGICAL SOCIETY OF WASHINGTON. 



much nearer the former), the rump much brighter, and inclining 

 to clear, dull vermilion. The lower parts are bright "dragon's- 

 blood-red," with a tinge of crimson. The wings are dark sepia- 

 brown, the feathers very indistinctly edged with dull reddish-brown. 



No. 83,366, from Utica, New York (winter of 1869 ; J. Davis), 

 is very similar, but the red is somewhat lighter, inclining more to 

 a dull vermilion shade. The centre of the abdomen adjoining the 

 anal region is dull grayish white. 



The darkest colored example is No. 86,893, Garrison's, New York 

 (Dec. 30, 1874; T. Roosevelt), in which the red is of a dark 

 madder-brown cast, the rump more brilliant, or of a dark brownish 

 vermilion tint. The wings and tail are uniform dark sepia, without 

 reddish edgings; the scapulars uniform dark sepia, and the back 

 similar, but strongly tinged with dark red. 



No. 93,630, from Arizona, has the red very brilliant, the whole 

 pileum and nape, rump and lower parts being dull scarlet. 



There is, in fact, so much individual variation in color that 

 scarcely two specimens are closely alike. 



The following measurements represent the averages of all the 

 adult specimens of the several races which I have been able to 

 examine. The males and females are given separately ; and it will 

 be noticed that pityopsittacus and americana represent the extremes 

 of size, the others being intermediate in the order given. Z. 

 himalayana HODGS. is said to be smaller than americana, but I 

 have seen no specimens. 



Males. 



