458 
Mr, J. H. Gurney Notes on 
portunity of examining these specimens, hnt I am indebted 
to the kindness of Mr. Seehohm for a note of the measure¬ 
ment of the wing in each of them : the first only measures 14*5 
inches from the carpal joint, and is therefore, no doubt, a 
genuine P. humilis; but whether it is really an Indian speci¬ 
men, I should think is doubtful; and as it was presented by the 
late Dr. J. E. Gray more than thirty years ago, having been 
included in the Museum Catalogue published in 1844, it is 
probably impossible now to ascertain any further particulars 
as to the locality whence it was obtained. The Assam speci¬ 
men, Mr. Seehohm informs me, has a corresponding measure 
ment of 16’6 inches in the wing, which, if the sex of the bird 
be rightly determined, affords a very strong presumption that 
it should be referred to P.plumbeus rather than to P. humilis, 
Mr. Sharpe, subsequently to the publication of his volume, 
recorded, in ^The Ibis'* for 1876, p. 32, a specimen of P.hu- 
milis from Borneo; and another Bornean example was pre¬ 
sented several years since to the Norwich Museum, where it 
is still preserved. 
The genus Gypohierax, containing but a single species, a 
native of the sea-coast and large rivers in some parts of 
tropical Africa, is arranged by Mr. Sharpe next in order to 
Haliaetus, and may, I think, be properly considered as be¬ 
longing to the group of Sea-Eagles, although it has by some 
ornithologists been treated as an aberrant Vulture'^, notwith¬ 
standing the vulturine appearance of the bare skin around 
its eyes and the naked line on either side of the throat, 
an appearance somewhat strengthened by the remarkable 
similarity in the colouring of its plumage, both in the imma¬ 
ture and in the adult stage, to the Egyptian Vulture [Neo¬ 
phron percnopterus ). 
The upper mandible and cere in Gypohierax greatly resem¬ 
ble in their outline and proportions those of Gypaetus, a genus 
in which vulturine affinities decidedly exist. 
It should also be mentioned that in Gypohierax the front of 
* I myself included Gypohierax amongst the Vultures in a Catalogue 
of a portion of the birds of prey in the Norwich Museum, which was pub¬ 
lished in 1864. ' 
