101 



lowcr are very thin and sleuder. and nearly ^^■lnte Ihe Arst. or 

 deciduoTi . grinder. as in all the smaller .pec es of Pine bjuirre 

 ha I ha-e examined. is ^vanting; theremainmK gnnders, bo h m 

 tUc upper and lower jaw. do not diflfer very matenally from those 



of Douglas' Sąuirrel. 



?-", mol. *-t. = 20 



•• Dental formula: Jnd5. -3, fa«. ^^y, mo ^_^ 

 .. The body of this most diminutive of all the known species of 

 .enu ne snuir^elinNorth America, is short and does not pres t 

 £t TppeLnce of lightness and agility wlnch distinguishes the 

 TmZnius. Head large. less elongated, forehead -ore ar.hed 

 A ^e^ o i;t-tlP blimter t\i?in Sc. Hudsonms ; ears short; teet ot 

 Zt^:Z^^f'^^^rA^^ ou the fore-feet but slightly long.r 

 San the secoud; the claws are compressed hooked and acute ; 

 tail shorte; than the body ; the thumb-nail is broad, flat and b unt 



.' The fur ori the back is dark plumbeous from the roots. tipped 

 with rustvbrown and black, giving it a rnsty gray appearance^ 

 U is ess is than the Sc. Hudsonius and hghter coloured 

 haS the Sc. Douglasii. The feet on their upper snrface are 

 rufous on tke shoulders. forehead. ears. and along the thi^hs 

 there i a sli<^ht tinge of the šame colour. The ^vhIskers. ^hich are 

 Tu rie lonler than the head, are black. Tl.e whole of the nnder 

 surface a^^^ell as a line around the eyes. and a small patch above 

 henos'tSsrsmoke-gray. 'The tail for about one halt its length 

 pre.ents on the upper surface a dark rufous appearance. many of the 

 to bein^ nearly black, pointed with light rufous : at the eKtremity 

 of theSforab'outani'nch and three-fourths m length ^eh-rs 

 are black a few of them slightly tipped with rufous H.e hind-teet 

 ?rom tl^ heel to the paims, are thickly clothed with short adpressed 

 Z-co oured hairs/the paims are naked, The sides of the body 

 are marked by a line of black commencing at the shoulder and ter- 

 mTnSgabruptlyon the flanks : this line is about t.o laches m 

 length and four lines wide. 



Dimensions. "'• Ii"**- 



Length of head and body 6 2 



Tail (vertebrae) 3 6 



Do. includlng fur 5 O 



Ears posteriurly O ^ 



Do. including fur ^ ^ 



Palm and middle fore-claw 1 3 



Sole and middle lund-claw 1 9 



SciURUS LANUGiNosus. Downy Sąuirrel. . ■ ■. 



Sciurus corpore suprh flavescenti-griseo, laterihus argenteo-anereis. 

 ahdominealho : pilis moUibus et lanuginosis : annhns brevibus . 

 palmis pilis sericeis crebre instructis ; caudd corpore breviore. 



" A 8ingular and beautiful ąuadruped. to Nvhich I l'^^'^ .^^"^^į'^'J 

 the ^ve name appropriate, wa3 sent to me with the col ection of 

 Dr T^wnserS He statės in his letter, ■ Of this ammal I have no 

 S ihe^lno'vledge than that it was killed on the North-west coast. 



