SCIENTIFIC RESULTS FROM TEE MAMMAL SURVEY. 87 



its neighbour and parent ; the northern race more completely cut 

 off from the wild parent, has moreover shortened its tail. This 

 sharp differentiation between the wild parent and its parasitic 

 offspring is in striking contrast with the relations between the 

 corresponding forms of the Central Provinces ; but this contrast 

 finds a ready explanation when one considers tbe restricted distri- 

 bution of the parent and the well marked differences of station in 

 Kathiawar on the one hand, and the universal distribution and 

 complete confusion of stocks in the Central I'rovinces on the other. 



6. Raitus rattus satarcB, subsp. n. 



1913. E2nmys rufescens, variety with white underparts. 

 Wroughton, Report No. 22, Koyna Valley. /. Bombay Nat. Hist. 

 8oc., Vol. XXIV, p. 315. 



2^/pe:— A female (B. M. No. 15'7'S-56; Original No. 138) 

 collected at Ghatmatha, Satara District, on 18th December 1914, 

 by Mr. S. H. Prater for the Mammal Survey; presented to the 

 British Museum by the Bombay Natural Historj- Society. 



Distribution : — Known at present only from the edge of the 

 Western Ghats at the type locality altitude about 2,000'. 



Material examined: — 7 (1 d , 6 $ ) all collected for the Mammal 

 Survey by Mr. S. H. Prater at the type locality ; the specimens 

 presented to the British Museum are registered under the serial 

 number 15-7-3. 



BescriiMon : — This is a soft and fully furred subspecies, its coat 

 being distinctly longer and thicker than in arhorens, narbadce and 

 girensis. In fresh pelage the general colovir of the back is a bright 

 "clay" or golden brown, much darkened by long black hairs 

 (Nos. 137, 138 and 141) ; in what is possibly a less developed 

 phase, of the coloration the golden tint is duller and the black less 

 intense (No. 140), and in an old specimen (No. 139) very few 

 black hairs are present and the back is bleached to an almost uni- 

 form light golden brown. The underparts are clothed throughout 

 with thick, long and soft creamy white fur, the hairs being every- 

 where light to their bases. The feet are yellowish brown. The 

 tails, unicoloured and dusky, are remarkable for their very gieat 

 length. The following are the dimensions : — 



•55,137 c?J8 Dec. 1914,141-243-32-24=100-172-22-7-17 



149-230-33-25=100-154-22-2-1 6-8 

 146-233-32--25==100-160-21-9-17-l 

 165-245-32-27=100-148-19-4-16-4 

 151-230-31-25=100-152-20-5-16-5 

 156-250-35-23=100-160-22-5-14-7 

 121-182-30-23=100-150-24-8-19 

 Average of 6 adults :— 151-238-32-5-24-8=100-158-21-6-16-4 



