TECHNICAL TERMS. XXxi, 



Head of the M^erlin Hawk. 

 2 



i The CERE, [cere, Linn.] the naked skin which covers 

 the base of the bill, as in the Hawk kind. 



2 The ORBITS, \prbita, Linn.] the skin which surrounds 

 the eye. It is generally bare, but particularly in the Parrot 

 and the Heron. 



Head of the Great Ash-coloured Shrike. 



f 



i When the bill is notched near the tip, as in Shrikes, 

 Thrushes, &c., it is called by Linnaeus, rostrum emargina- 

 tum. 



2 Vibrissic, (Linn.) are hairs that stand forward like 

 feelers: in some birds they are slender, as in Flycatchers, 

 &c., and point both upwards and downwards, from both the 

 upper and under sides of the mouth. 



3 Cap is tr urn a word used by Linnaeus to express the 

 short feathers on the forehead, just above the bill. In some 

 birds these feathers fall forward over the nostrils: they quite 

 cover those of the Crow. 



Rostrum cultratum, (Linn.) when the edges of the bill are 

 very sharp, as in that of the Crow. 



