Or.ivEU. — Fepfilcs nml Maiiimah in the Kcrwnder Islamls. 537 



Thus the male is, on an average, larger than the female. Apparently 

 in the female the tail is proportionately longer than it is in the male ; but 

 this is probably due to the fact that the males are the more pugnacious, 

 and consequently have their tails bitten more frequently. A large number 

 of specimens collected for examination had to be rejected because more 

 or less of the end of the tail was missing. 



Measurements of Skulls of Rats from Sunday Island; also Measurements 

 of Skull of Rat from Funafuti for Comparison. 



