18 MUS RUBER. 



between the incisor and the first lower molar is remar- 

 kably narrow. 

 One specimen. 



m. m. 



Head and body 135 



Tail 178 



Ear 17 



Hind foot 26 



Length upper molar series 6 



Distance between incisor and first upper molar. 8 



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Hab. Java. 



This very interesting new mouse was labeled lepturus 

 by Temminck. 



7. Mus ruber, n. sp. 



Hairs soft and very short. General color rusty brown. 

 The hairs of the back and head are greyish brown at the 

 base ; those of the belly and sides of the body being slate- 

 colored at the base , rusty brown [towards the tip. 



Tail very short, much shorter than head and body, 

 covered with very short scarce hairs. 



Whiskers dark brown at the base , lighter towards the 

 tip , projecting beyond the tips of the ears. 



The four fingers of the fore-foot are well developed, 



thumb very short, with a flat nail. Hind-foot Avith five toes. 



Claws rusty brown. Ears elongated, rather short, rounded. 



Upper cutting-teeth of an orange color, lower ones 



yellowish. 



One specimen. 



m. m. 



Head and body 214 



Tail 140 



Ear 18 



Hind foot 37 



Length upper molar series 7 



Notes Irom the Leyden IMuseum , "Vol. II. 



