17 [ Vol. xl. 
average 107 mm., against minimum of 94, maximum 106, 
and average of 100 mm. in twenty-three Sumatran birds. 
Bill markedly more robust ; no colour-distinctions. - 
Type. Adult male from Gunong Ijau, Larut Hills, Perak, 
4000 ft., collected on 18 April, 1915. 
Wing 109 mm., tail 128, tarsus 39, bill from gape 
25°5 mm. 
Poliositta azurea nigriventer, subsp. nov. 
[In view of the fact that most of the recent material of 
this species in the Tring Museum appears to be from East 
Java, we have restricted the locality of the typical form ~~ 
(P. azurea azurea) to Wast Java (neotypes from Ardjuno 
Volcano). | 
Types. and @ ad. ‘Tjibodas, Gedeh, W. Java, 4000- 
6000 ft., collected on 17 and 13 February, 1916, by H. C. 
Robinson. Original Nos. 2226 A and 2316. 
Differs from the typical form in having the white portion 
of the under surface very strongly washed with buff; the 
abdomen and thighs black scarcely tinged with indigo-blue. 
Separated from the Malayan and Sumatran P. a. expectata 
in having the back paler and the outer secondaries more 
broadly edged with black, and in the colour of the under- 
parts which in P. a. eapectata are as in the typical form 
white, only slightly tinged with buff. 
Ophrydornis albogularis moultoni, subsp. nov. 
“ Hasily separated from Ophrydornis albogularis (Blyth) *, 
type from Singapore, by the very pale colour of the flanks, 
which in the typical race are strongly infuscated with darker 
fulvous.”’ 
Wing 74 mm. 
Type. Adult female, from Betong Saribas, 8. W. Sarawak, 
collected on 8 August, 1916, by H. ©. Robinson’s native 
collectors. 
Specimens examined. The type and another male from 
* Setaria albogularis Blyth, Jour. Asiat. Soc Bengal xiii. 1844, 
p. 386. 
b 
