t6 



Records of the Indian Museum. 



[Vol. Ill, 



weight of 3,000 rats of this type, and large numbers of skins of field 

 rats of different species, 



Pjb. I, Mils rattus — 



Of the 513 rats of this type, 100 were carefully examined re- 

 garding the following points: Texture of the fur, presence or 

 absence of spines, length of bristles, colour of fur, forms of foot 



55 



50 



45 



40 



35 



30 



25 



20 



IS 



10 



175 



Fig. 1.— Diagram showing the length-frequency of 513 Mus rattus from 

 Amritsar (Davys). 



