Tlioiii-li tlit^ variiiliility ut lli.- iiiainhiii<l h|jivui« .- 

 yiroduees individuals that mute li tlic Sin^,'u|M»n' uiiitiml iii ...... •• 



tile smaller size of the latter (•oinbineJ with thoir unifonii ln*u ■ 

 indicates that they are a well -defined insular nu-e, whicli, «un.i..«:v 

 euoiigh, is more distinct from its «„'eo<,'ra])hifal n»-jj;lilM)ur. Mu* #Mri/rr 

 linge7isis, of the Rhio Archipelago tlian it is fn>iii th«* tnw Mus »mn/er 

 surifer of Trang. 



From Mus surifer flavidulux of Langkawi iHland, whirh it 

 approaches in size, this rare is easily separated hy tin* hrilliiint colour 

 and long tail; from Mus surifer microdon of Tioiiuiii iMluud. wln' h 

 approaehes it in colour, it is distinguished )»y itH HumlU'r iiize, incn-.ivd 

 brightness and less interrupted white area of the iiudiT \>ari». T)t- 

 tawuy gorget seen in the type is not of frequent oeeurn-nee. 



3. SCIUROPTERUS (PETAUUILLl S) KlM.oi IIII. ««A»p. mor. 



Type.— Adult female (skin and skull). No. 2.«J«'.H 1<». .S'Unjfor 

 Museimi. Collected at Jeram Estate, Kapar. S'lau^'wr, l.% V. 

 Kinloch, Esq., on the 13th Octolxr, 19U>. 



Characters.— A Pygmy Flying Sipiirrel of the 

 Petaurillus, oivery similar dimensions to.SV. hogii, ThoH.,froin - 

 but, with smaller skull, much shorter rostrum and longer tooth row, 

 differs further in having the ears markedly shorter, rolour roorp 

 rufescent above, median facial area darker, sides of the nwk with 

 a pure buffy patch Ijelow the base of the ear. hairs of eh.-i.t and 

 abdomen with greyish bases and the upper median line of the tuil hUcl. 



Ears elongated, with rounded tips, the anterior edges convei. the 

 posterior almost straight. Vibris.sae attain a lenu'th of 44» mm. 



Colour.— Above black washed with rufe.seent-bufT. -.trunu'lr on 

 occiput and bodv, but the limbs and inner portions of the |«inu luite ot.lr 

 slightlv grizzled with the same colour. The JmfT.wa.h.Hl un^. l-r,. 

 the leases of the hairs slaty, their median third hlm-k and tlM-.r t.,- 

 mfescent-bulf. The outer portions of the p»tni.hute an- pur.- hWV to 

 the bases of the hairs, and the extreme edges aJH)ve and U-lo« .,^ 

 fringed with blacked hairs about 3 mm. long w.th l.uflf t.p< 



Top of muzzle a ring round the eyes an.l area.s l-tw.,-,, . 

 ear and l>elow the latter .sooty-black. A i«iteh .,f pun- >v 

 6 mm. in diameter at the posterior ki.se.s of the .ntr. eit.M: 

 their outer surfaces. Sides of nn././.h-. ^•'-j'*';";"";^';^*;';^ \ 



and sides of neck pure pale rufes.ent-bufr that .l.u'hth ^ J 



bv a small indefinite ami of dusky hairs, exten.l. »- 

 b^ses of the ears, of whi-h the jH.sterior Ui.^il ".a- - 



Below, under side .., muzzle. .K.terior an. o thr.«t .iHi up^r 

 chest white, the hairs con.olon.us thronu'hout . ant-r... > 



..d ^-^^-^-:;-^;^^^^ U.U. Uu., 



under surfaces ot {>ara< iiuu .muihh. 



bases and white tips. , 



. X„„„,, „,„l Magnzino of Natnrnl HWorr. m. ^ 



