niai'O'iu, not tinirecl with rustv as iu the ,1 avail bird. It should be remarked, however, 

 that ill the unsexed si)ecimeii in the Philadelphia Academy these tips are nearly white. 

 'J'he tail of the present species is somewliat more furcate, but, in spite of this, the outer 

 itH'trices are less attenuated at the tip." 



The greener shades of the upper surface may be due simply to the wearing of the 

 plumage, and the other characters given bj^ Dr. Stejneger do not seem to indicate a race 

 markedly distinct from If. jaranlca. 



The description of this Swallow" is copied from the paper of Dr. Stejneger (/. c). 



