4 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 60 



the orbital areas, being very dark brown or blackish. In the Middle 

 American brockets the orbital areas and much of the face are rusty 

 reddish. 



Specimens examined. — Total number, 3, from localities as follows : 

 Canal Zone: Gatun (type locality), 2. 

 Panama: Cana, 1. 



SCIURUS VARIABILIS CHOCO, 1 new subspecies 



Type from Cana (altitude 3,500 feet), Eastern Panama. No. 

 179561, male adult, U. S. National Museum (Biological Survey 

 Collection), collected by E. A. Goldman, May 28, 1912. Original 

 number 21752. 



General characters. — Closely allied to 6\ v. morulus, but general 

 color darker ; a deep black median dorsal stripe usually continuous 

 from near shoulders posteriorly over upper base of tail (this stripe 

 absent or only faintly indicated in S. v. morulas) ; under parts ochra- 

 ceous rufous instead of tawny ochraceous ; under side of tail with 

 broader, more distinct black submarginal stripe. Perhaps similar 

 to S. gerrardi, but shoulders less rufous, back darker, and under 

 parts not normally white; mammae 3 pairs as in 6\ v. morulus. 



Color. — Upper parts varying from pale ochraceous buff to tawny 

 ochraceous, finely lined with black, becoming blackish on top of head 

 and along a conspicuous median dorsal stripe usually continuous 

 from near shoulders posteriorly over upper base of tail ; shoulders 

 usually a slightly richer ochraceous tone than sides; outer sides of 

 forearms ochraceous rufous mixed with black; outer sides of hind 

 legs like sides of back ; under parts, including inner sides of limbs, 

 usually nearly uniform ochraceous rufous, but varied in two specimens 

 by pure white areas in armpits, on pectoral and inguinal regions, and 

 along median line of abdomen ; chin and lips pale buff ; sides of 

 muzzle and cheeks brownish buffy; ears dark brownish or black- 

 ish ; feet clothed with short, mixed blackish and buffy or tawny hairs ; 

 upper side of tail blackish on proximal fourth, becoming pure, rich 

 ochraceous rufous to near black tip, under side coarsely mixed buff 

 and black, with a distinct black submarginal stripe and ochraceous 

 rufous edging along median portion. 



Skull. — As in S. v. morulus. 



Measurements. — Type : Total length, 444 millimeters ; tail verte- 

 brae, 209; hind foot, 61. Average of 3 adult topotypes; 443 (430- 



1 From Choco, the name of the Indians inhabiting the region of the type 

 locality. 



