63 JOURNAL, BOMBAY NATURAL HIST. SOCIETY, Vol. XXVI. 



V Backs inclining to 



rufous ; whitish bristles 



usually present. 



a^ Tail shorter, about 



122 per cent, of head 



and body length ... R. r. turoughtoni, 



Hinton. 

 &' Tail longer, about 

 132 per cent, of 

 head and body 

 length ... ... B. r. kandianus, 



Kelaart. 



V' Fur rather short, thin and 

 harsh, but usually not spiny; 

 dorsal colour cold and dull ; 

 tall long, about 1 35 per 

 cent, of head and body 

 length. 



a^ J)orsal colour warmer, 

 near cinnamon brown or 

 tawu}'^ ... ... ... B. rattus arhoreus, 



Buch. — Ham. 

 y Dorsal colour colder and 

 greyish. 



a* Dorsal colour drab ; 

 long black hairs tend- 

 iusf to ':orin a mid- 

 dorsal stripe... ... B. rattus na/rhadce, 



Hinton. 



6* Dorsal colour drab 



grey ; mid-dorsal line 



dt^cidedly darkened by 



black hairs ; white of 



belly duller B. rattus girensis, 



Hinton. 

 b. Ventral fur slaty based; no 

 sharp line of demarcation 

 along flanks. 



a^ Fur long, dense, and soft; 

 ventral fur white tipped ; 

 tail short, le^s than 120 per 

 cent, of head and body 

 len^'th ... ... ... Rattus lelaarti, 



Wroughton. 

 6' Fur thinner and harsher ; 

 ventral fur not white tipped ; 



