FROM THE PHILIPPINE ISLANDS. 



395 



i-eaching to the end of the 1st phalanx of the fourth. Tail about the length of the 

 body Avithout the head, uniformly short-haired, black, rather lighter along the middle of 

 its under surface. 



Skull-dimensions (in millini.) 0/ Ehynchomys and Hydromyiuae, all from type 



sjjecimens.^ 



Hhynchomys 



sorkoides, 



6- 



Basal length 



Basilar length 



Greatest breadth 



Nasals, length 



„ breadth 



Interorbital breadth 



Interparietal, length 



„ breadth 



Length of anterior zygoma-root . . . 



Palate, length from hensclion 



Diastema 



Anterior palatine foramina, length . 

 „ „ breadth . 



Length of upper molar series 



,, m} and m.^ combined . . . 

 Lower jaw, condyle to incisor-tip . . . 



„ bone only 



„ height, coronoid to angle 



„ ,, ramus below m.. 



44 



41-5 



19-5 



20 

 3-8 

 6-9 

 3-2 



10-5 

 2-5 



24-5 



16-8 

 6-5 

 2-1 



34 



30 

 9-7 

 3-3 



Cclmiomys 



silaceus. 



$. 



34 



31-7 



19 



12 

 3-3 

 6-9 

 2-8 

 8-6 

 3-6 



17-1 



13-1 

 3-5 

 1-6 



3-8 



21-5 

 10 

 4 



Chrotomi/s 

 whiiehcadi. 



6. 



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 



2.5-1 



IM 

 5 



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 skiu, and all merely approximate ; — 



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



Skull, see above. 



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



Tyj^e. 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 



' 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. 



3f2 



