124 
A SYNOPSIS OF THE BIRDS AT PRESENT KNOWN TO 
INHABIT THE MALAY PENINSULA, SOUTH OF THE 
ISTHMUS OF KRA. 
By HERBERT C. ROBINSON, с.м.7.8.; M.B.0.U., 
CURATOR, SELANGOR STATE MUSEUM. 
PART IL—THE GALLINACEOUS BIRDS. 
І HAVE not considered it necessary t e any definition of the 
fa e ran 
cles. ou ote 
are purely artificial aod arbitrary and that the key will therefore 
apply only to the species that are found within our limits 
Three forms, Arboricola campbelli, Rheinardius nigrescens, and 
мө» эра atus are peculiar to the central mountain masses 
e Peninsula, but the sg eon have а more or less wide range, 
hd northwards, to Bur and beyond, or through the islands of 
the Indian Archipelago and Tndo-China 
As in the previous section of this paper, species represented in ы 3 
Perak Ня have an asterisk * attached to their names, while tho 
of which the Selangor Museum possesses ian are marked with 
a dagger t 
KEY TO THE SPECIES. 
A. With three toes only... ve ae Turniz taigoor p. 132 
B. With four toes. 
l. Large birds, wing always over 12 
inches 
a. Upper tail-eoverts greatly s^ pes 
in the ma 
both sexes peces the ira 
of the crest broadened at the tips Pavo muticus p- 131 
Both sexes with a large crest of 
back of the head ; central pair of 
tail feathers goss = 
ated in the m Rheinardi 
е igi co 
cens p. 130 
а". Head not conspicuously crested ... Argusianus argus p. 131 
2, Smaller birds; wing never more than 
10 inches. 
b. 'Taillonger than wing; with metallic 
ocelli e plumage. 
в. men of the head bare, ев of head 
markedly crested .. Polyplectron malaccen- 
sis 
р. 129° 
є'. Sides of the head feathered, pes 
head only slightly crested — .,, Chaleurus inopinatus p. 130 
