PARROTLETS. 



119 



Nearly allied to this species are several South American parrots constituting 

 the genus Bolhorhynchus, distinguished from the one under consideration by the 

 nostrils being exposed and opening in a much swollen cere, from which the name 

 of the genus is derived. These parrots range from Mexico to Northern Chili 

 and the Argentine, a well-known species being the Aymara parraquet {B. aymara). 



Farrotlets. 



GEEY-BREASTED PAKRAQUET (§ nat. size). 



The smallest representatives of this subfamily are the pretty 

 little green and blue birds, which may bo termed, from their Latin 

 name, parrotlets, and occupy a position in this section analogous to that held b}' 

 the love-birds in the parraquet group. The largest of these parrotlets is only 5^ 

 inches in length, while none of the others exceed 5 inches. They differ from all 

 the other members of the subfamily in the relative shortness of their tails, and 

 also in that the two sexes are unlike, while their skeletons are distinguished by 

 the absence of the furcula. They range from Mexico to Bolivia and Brazil, and 

 are divided into three groups, according to the colour of the rump in the male. In 



