SCIENTIFIC RESULTS FROM THE MAMMAL SURVEY. 61 



/'' Tail relatively long, ave- 

 raging more than 120 

 per cent, of the head and 

 body length. 

 a* Fur of tinderparts long 

 and soft. Dorsal co- 

 lour cold o-rev or vel- 

 low ... ... ... R. rattus ijav gut nanus, 



Hinton. 

 // Ventral fur shorter 

 and harsher. 

 ft" Dorsal colour black, 



grizzled with tawny. Battus ■laacinillani, 



Hinton. 

 h Dorsal colour rich 



dark olive brown ... 7?. rattus siJihimensis, 



Hinton. 

 Ir Pectoral mamnige undergoino- 

 reduction. Tail short, ave- 

 raging about 108 per cent, 

 of head and body length. 



Dorsal colour umber ... i?. rattus fikos, Hinton. 



// Mammae normally 2-3^10 

 a'^ Fur full ; dorsal colour warm 

 and bright. Tail length 

 variable. 



a^ Dorsal colour olive brown. 



a* Size larger (H. & B. 



averaging 145; HF. 



32) ; tail shorter, about 



123 per cent, of head 



and body length ... Ii. rattus tistre,}iinton . 

 h' Si^e smaller (H. & B. 

 averaging 137 ; HF. 

 31); tail longer, about 

 131 per cent, of head 

 and bodv lenoth ... 7?. rattus Jihotia, 



Hinton. 

 />^ Dorsal colour not olive 

 brown. 



a* Backs bright clay or 

 golden broAvn ; tail 

 very long, more than 

 150 per cent, of head 

 and body length ... It. rattus sa.tarct', 



Hinton. 



