COCK PURPLE-BREASTED 
BLUE MANAKIN. 
The reat difficulty, not to say impossibility, 
f always ascertaining the sexes of birds, forms 
grand impediment to the perfection of orni- 
lology. It can hardly be doubted, by any one 
>ho is tolerably conversant in the knowledge 
if nature, that many rare and curious birds are 
escribed under different names, which are, in 
merely the males and females of the same 
pecies. 
Under the general appellation of the Purple- 
breasted Blue Manakin, we have figured the 
'rien Bird from Edwards ; and now, like Ed- 
wards, having met with the Cock Bird, we 
igure that also : both being by much too 
beautiful to be neglefted, in a work which 
.>rofesses to comprehend the chief beauties,, 
IS well as the chief curiosities, of nature. 
For 
