McGregor; The Philippine Ornis.] 
[Philip. Journ. Sci., 16, No. 4. 
Fig. 1. Zonophaps mindorensis (White- 
head). 
Fig. 2. Penelopides manillae (Bod- 
daert). 
Fig. 3. Hydrooorax hydrocorax (Lin- 
naeus). 
Fig. 4. Thriponax peotoralis Tweeddale. 
PLATE 20. 
