Mr. li. B. Sharpens Catalog at of Accipitres. 475 



specimen of L. rnelanops also differs from the adult iu having 

 two white transverse bars on the tail besides the white tip ; 

 the lower bar of the two measures '7 of an inch in width, the 

 upper bar, which is less perfect, is somewhat narrower. 



In this specimen all the under surface is white, slightly 

 tinged with buff, and the white portions of the plumage of 

 the head and neck are also similarly tinted. 



Mr. Kidgway, in his description of the adult of this species 

 {* Studies of the American Falconidse,' p. 177), says that these 

 parts sometimes exhibit " a beautiful salmon-pink tinge, espe- 

 cially under the wing." 



I am happy to learn that the very fine series of Buzzards of 

 the genus Leucopternis possessed by Messrs. Salvin and God- 

 man has very recently been enriched by an additional speci- 

 men of each of those very rare species L. plumbea and L. 

 semiplumbea, both obtained from Veragua. Mr. Salvin, 

 writing to me respecting this specimen of L. semiplumbea, 

 adds the following information, which, by his permission, I 

 here transcribe : it '• seems to be a younger bird than I have 

 yet seen of this species ; the colour of the upper surface is 

 darker and not so clear plumbeous ; there are some well- 

 defined longitudinal streaks on the upper breast ; the central 

 tail-feathers have two instead of a single band ; and the wings 

 are more strongly barred beneath at their extremities/^ Two 

 other specimens of L. semiplumbea have also been recently 

 added to the same collection, from the province of Antioquia, 

 in the United States of Columbia, a new and more southern 

 locality for this species*. 



With regard to the remaining species of the genus Leuco- 

 pternis, I have nothing to add to the information contained 

 in Mr. Sharpens volume t; I therefore pass on to the consi- 



* In one of the specimens of L. semiplumbea in the collection of Messrs. 

 Salvin and Godman the upper white caudal band, indicative of imma- 

 turity, has entirely disappeared, with the exception of a single small white 

 spot still remaining on one of the central rectrices ; the white bars on the 

 tail of immature birds of this species are of a less clear white than on 

 those of the adult. 



t Since the above was written I have had an opportunity of examining 

 the very interesting and apparently distinct new Leucopternis, lately ob- 



