FROM THE PHILIPPINE ISLANDS. 



395 



reaching to the end of the 1st phalanx of the fourth. Tail about the length of the 

 body without the head, uniformly short-haired, black, rather lighter along the middle of 

 its under surface. 



Skull-dimensions {in millim.) of Ehynchomys and Hydromyinse, all from type 



specimens. 1 



Ehynchomys 



sorkoldes. 



6- 



Basal length 



Basilar length 



Greatest breadth 



Nasals, length 



„ breadth 



Interorbital breadth 



Interparietal, length 



,, breadth 



Length of anterior zygoma-root 



Palate, length from henselion 



Diastema 



Anterior palatine foramina, length . 

 „ „ breadth . 

 Length of upper molar series 



,, m} and m. 2 combined . . . 

 Lower jaw, condyle to incisor-tip . . . 



,, bone only 



,, height, coronoid to angle 



,, ramus below m., 



44 



41 -5 



195 



20 

 3-8 

 6'» 

 3-2 



10-5 

 2-5 



24-5 



16-8 

 6-5 

 2-1 



34 



30 

 9-7 

 3-3 



CeUenomys 



silaceus. 



S- 



34 



31-7 



19 



12 

 3-3 

 6-9 

 2-8 

 8-6 

 3-6 



174 



13-1 

 3-5 

 1-6 



3-8 



21-5 

 10 

 4 



Chrotomys 

 whiteheads. 



37-5 



35 



21 



13-2 

 4-1 

 6-8 

 2-2 

 7-5 

 2-9 



20 



15-2 

 4-4 

 2-1 

 5-2 

 4-8 



31-2 



25-1 



11-1 



Crunomys 

 fallax. 



(Lambda to 



nasal tip 



20-5.) 



( C .)12-l 



9-2 



2-8 

 4-6 



9-1 



1-7 



11 



7-2 



3-5 



1-5 



3' 6 



3-2 



16-5 



13-7 



3-1 



Skull as already described. 



Dimensions of the type, measured in skin, and all merely approximate : — 



Head and body 105 millim. ; tail 79 ; hind foot 23 ; ear 10. 



Skull, see above. 



Eab. Isabella, Central N. Luzon. Alt. 1000 feet. Coll. May 1894. 



Type. B.M. 97. 4. 8. 4. Presented by Mr. Whitehead. 



This little animal might readily be, and indeed for some time was, taken for a species 



1 A few of these measurements differ to a minute extent from those previously published, these latter 

 having been taken before the skulls were perfectly cleaned. The present measurements may be considered 

 as the more correct. 



of2 



