/'/•()»/ liiiizil tind I'!('uuJ(>r. V,y,\ 



Dimensions of the ty|)e (meastn-ed in tlie flcsli) : — 



Head and body 5(J0 mm. ; tail lOo ; hind toot (s. u.) 12'.); 

 ear 55. 



Skull: greatest len,2;th 10*); basal lenj^^th 87; zygo- 

 matic breadth 6G ; nasals, Iciii^th (in niiddh^ line) 20, breadth 

 18*7; interorbital breadth 19; intertemporal breadth 38'5 ; 

 breadth of brain-case -lo ; greatest mastoid breadth 45'2 ; 

 least breadth on ridge above meatus 41'7 ; bulla?, length 21, 

 distance apart 9 ; length of upper carnassial 11"6. 



I /ah. ]garai)e-Assn, near Para. Alt. 50 m. 



T>/pe. Old male. B.M. no. 4. 7. 4. 43. Original number 

 1867. Collected 24th April, 1U04, by A. Robert. Presented 

 by Oldfield Thomas. One specimen. 



This cat clearly belongs to the F. TF^W^V group, as defined 

 in my paper on the spotted tiger-cats of Brazil*; but it is 

 distinguished Ironi any that 1 have seen by its large bullie 

 and comparatively narrow and parallel-sided brain-case, 

 beyond and behind which the broad lambdoid and mastoid 

 ridges conspicuously project. The forward direction of its 

 nape-hairs is unusually smooth and definite, and its light ear- 

 patches are not so white as in specimens from other localities. 



Dr. GoeKli has given a pretty figure of the head of this 

 cat in his recent work on the mammals of Pard f. 



Rhipidomys pictor, sp. n. 



A medium-sized species allied to R. venezuelce. 



Size rather less than in R. venezuelce^ markedly greater 

 than in R. dryas. Fur close and crisp ; hairs of back about 

 6-6'5 mm. in length. General colour above dark fulvous 

 brown, rather more rufous on the sides. Belly and inner 

 sides of limbs white, not very sharply defined, the hairs 

 along the .-ides of the belly grey basally, the others white 

 to their roots. Ears rather short, pale brown. Outer side of 

 arms and legs dull fulvous; hands and feet thinly haired, 

 ■whitish, the metatarsals with indistinct browner patclies along 

 their outer halves. Tail fairly well haired, tlie tip with a 

 well-marked pencil whose hairs attain 12 mm. in length ; 

 uniformly brown lliroughout. 



Skull very similar to that of R. venezuehe, but smaller. 

 Brain-case rounded, its profile convex ; supraorbital edg>*s 

 sharply defined, but not heavily ridged ; zygomatic [)late not 

 projected forward ; palatal foramina well open, not reaching 

 backwards cjuite to the level of ihe front of m^ ; bullie small. 



♦ Ann. & Ma-j. Nat. Hist. (7) xii. p. 2U (1003). 

 t I'rodr. Cat. -Mamui. .Mas. I'ani, p. .jU (IWJj. 



