IN THE NORWICH MUSEUM. 13 
voracious devourer of the eggs of other birds, especially 
those of the Indian Pheasants. The extraordinarily 
long and sharp claws of this species are particularly 
worthy of observation. The second and less typical 
species of this genus, /Veofus gurneyi, (which is a 
native of some of the islands in the Indian Oceéan,) is 
remarkable for its great rarity, the Leyden and Nor- 
wich Museums being (it is believed) the only public 
collections which contain this fine bird. 
The next group consists of those genera which are 
called Hawk-Eagles, because their wings are shorter, 
and their tails more developed than is the case with 
the typical Eagles, in both of which respects they re- 
semble the true Hawks. Of these Hawk-Eagles the 
genera JVisaétus, Limnaétus, Lophaéttus, Spizastur, Pter- 
nura,and Spizaétus, have the legs clothed with feathers 
as in the typical Eagles; whilst the other genera of 
the group, Zhrasaétus and Morphnus, have the tarsi 
bare of feathers and covered with scales, in which 
they resemble all the remaining non-typical members 
of the Aquiline family. The first of these genera, 
LVisaétus, consists of three species, two of which are 
limited to Southern and Tropical Africa, the other, 
called Bonelli’s Eagle, being spread over Southern 
Europe and Asia, and Northern Africa. All three 
species are comprised in the collection of the Norwich 
Museum. 
The genus Lzmnaétus contains all the remaining 
Hawk-Eagles of the Asiatic Continent, and of the 
