( m ) 



la. Sciurus bicolor buuguranensis Tlios. i<: Kartt. 



Man}' specimens. Mount Ranai and otlier localities on the island of Bunguran. 



These specimens show that in this animal, as in several otlier sf[uirrels, the fur 

 bleaches during life. On the back it fomes up brown, and gradually bleaches until it 

 is of a dirty whitish fawn. One specimen, killed in .June, is nearly wholly of the 

 latter colour, except for a few patches on the back where the long bleached hairs 

 have fallen, and are being replaced by the short dark brown of the new coat. July 

 examples are nearly wholly brownish, but already a little paler than the dark pat dies 

 of the June specimen. 



Such bleachings during life, at least among squirrels, seem to be far commoner 

 than is generally recognised, and have been noticed by Thomas both in an .\frican 

 and a European species.* 



'10. Sciurus bicolor nanogigas sulisp. nov. 



a — c. Three specimens, Pulu Laut : a <S, l> ?, July 1894 ; c J, September 1894. 



Similar in essential coloration to S. h. hunguranensis, but the belly dull 

 yellowish butf instead of rufous. Size greatly reduced (compare especially the skull 

 measurements). 



Measurements of «, the typical skin : — Head and body, 330 mm. ; tail, 347 ; 

 hind-foot, 60. Skull: basal length, 47-5 ; basilar length, 43; greatest breadth, 34; 

 nasals, length, 16, greatest breadth. 10-.5; inferorbital breadth, 22; jialate, length 

 from henselion, 21 ; diastema, ITS ; length of upper molar series (crowns), 11. 



Type in British Museum ; paratype in Triug Museum. 



Just as Bunguran has its local representative of the Malay Giant Squirrel, so lias 

 Pulu Laut, and, as in tlie case of the Tupaid, we think it better to use a trinomial 

 for it, although the very striking diminution in size would ordinarily demand full 

 specific separation. As the animal is thus a dwarfed Giant Squirrel, we have used 

 the above somewhat paradoxical name for it, in order to express its most peculiar 

 characteristic. 



Judging only by the three specimens before us, .S'. h. n<tnoyif/as apparently 

 presents the same seasonal variation in colour as does S. b. b^mgurayiensis, but without 

 further material this cannot be properly described. 



17. Sciurus notatus Bodd. 



Many specimens from Bunguran and I'ulu Laut. 



As usual, the Pulu Laut specimens are paler and smaller than the Bunguran ones, 

 but so slightly as not apparently to deserve a separate subspecitic name. The ai)pli- 

 cation of a special name would also be particularly inadvisable in a group so variable 

 and difficult as that of the Plantain Squirrels. 



18. Sciui'us lowi natunensis Thos. 

 a — c. Mount Ranai and ('a])e Datu, J^unguran. 

 d. Pulu Laut. 



These sjDecimens prove that Thomas's suspicions as to the artificial discoloration 

 of the typical skin (see Nov. ZooL. 11. p. 26) were perfectly justified, as they are 

 coloured exactly like normal Bornean examples. The subspecific characters used, 

 however, of smaller size, larger ear, and absence of black ear-patch, are all present, and 

 the skull agrees in every res[)ect with that of the type. 

 • .S'. mu'ahilig of Xyas.1, /'. H. S., lKil4, p. 1 10 ; .S'. rulijaris of Ktiglaml, Xoologixl (:i), XI. \'. p. 103, l.sn.5. 



