NO. 2028. PHILIPPTNE LAND MAMMALS— HOLLISTER. 341 



EXPLANATION OF PLATES. 



Plate 27. 



Skull of type-specimen of Pithecus mindorus, U.S.N.M. Cat. No. 144674, from 

 Alag River, Mindoro (two-thirds natural size). 



Fig. 1. Dorsal view. 

 2. Ventral view. 



Plate 28. 



Skull of type-specimen of Pithecus mindorus, U.S.N.M Cat. No. 144674, from Alag 

 River, Mindoro (two-thirds natural size). 

 Fig. 1. Left mandibular ramus. 



2. Mandible, dorsal view. 



3. Skull, lateral view. 



Plate 29. 



Skull and teeth of type-specimen of Rasa nigellus, U.S.N.M. Cat. No. 144711, from 

 Mount Malindang, Mindanao. 



Fig. 1. Skull, dorsal view (one-third natural size). 



2. Left mandibular ramus (one-third natural size). 



3. Right maxillary tooth row (natural size). 



