228 
ON THE CLASSIFICATION OF BIRDS. 
that of Brachypus, but the upper mandible is crenated 
near the tip. Neck with setaceous hairs. Rictus 
bristled. Wings, tail, and feet as in Brachypus. 
A. vocifurus. O. d’Af. 106. f. 2. 
HcBmatornis, Sw. {fig. 205. h) Head crested. Bill 
short. Rictus bristled. Feet short : lateral toes un- 
equal ; hinder toe shorter than the tarsus, which is 
equal to the middle toe. Wings and tail rounded. 
H. chrysorriioeus. O. d’Af. iii. bimaculatus. Linn. Tr. xiii. 
pi. 107. 2. p. 147. 
mclanoccphalus. Ib. 106. 1. erythrotis. Dixon’s Voy. 
basmorrhous. O.d’Af 107. 1 . PI. Enl. 508. 
Tbicofhobus, Temminck. Bristle-neck. {Jig. 207.) 
Cuhnen gradually arched. 
Nostrils and base of the 
bill surrounded with length- 
ened slender hairs. Gape 
very strongly bristled. Mar- 
gins of the mandibles white. 
Feathers of the crown and 
chineiongated. Nape of the 
neck furnished with seve- 
ral conspicuous lengthened 
bristles, very considerably 
exceeding the surrounding 
feathers. Feet short. Tar- 
sus longer than the hind toe, 
and feathered beyond the knees. Inner toe shortest. 
M'ings and tall moderate ; the former with the three 
first quills much graduated. 
T. oliv.iceus. tv. Af i. 264.(5) strigilatus. W. Af i. 267. 
gularis. lb. i. 266. (a) 
Fhyllastrkphus, Sw. (^9.205. a, b) Bill as long as the 
head, strong, the tip rather hooked. Rictus strongly 
bristled. Frontal feathers small, compact, directed 
forwards, and compressed on the base of the bill. 
Wings and tail moderate, rounded. Feet short, 
strong, robust. Tarsus and middle toe of the same 
