1915.| Allen, Review of the South American Sciuride. 215 
Upperparts yellowish brown to rufescent brown; underparts dull yellow 
to orange red. 
Size medium. 
Penge “Galt Gia OR ss oe ok we eg hoffmanni (p. 216) 
Pelage harsher and - thinner. 00... 5 0 6.22.5 chiriquensis (p. 220) 
Similar but underparts redder and tail with more black at base below. 
manavi (p. 221) 
Size smaller. 
Similar in coloration tO nopmannt so... ss oo. cae chapmant (p. 330) 
Like chapman, Dut Ssuinller o.oo. es ces ba tobagensis (p. 232) 
Size larger; tip of tail blackish. 
With (usually) a dorsal black band.......... quindianus (p. 222) 
Without (usually) a dorsal black band......... hyporrhodus (p. 223) 
Upperparts darker and more olivaceous; underparts whitish, fulvous gray, 
_ or deep red. 
Inside of limbs durk gray... kos ne eos griseimembra (p. 233) 
inside of limbs Ilvous: oo ooo. he eo sew oe candalensis (p. 235) 
Upperparts, including tail, light ochraceous; below bright orange rufous. 
neseus (p. 283) 
Tail red, the tip black for the terminal 50 mm. 
Pelage rather short and thin....... ee es Mak ae griseogena (p. 226) 
Pete: tGne anit Ta oa os oie 3 woke hens meridensis (p. 228) 
Size medium; average total length 430-460 mm.; underparts red in gerrardi group, 
white in saltwensis group. Subgenus Histriosciurus. 
Upperparts with a broad black median band from shoulders to base of tail. 
Tail black at base, rest red, without black at tip of tail. 
Fore limbs, shoulders, flanks, and hind limbs red. .gerrardi (p. 236) 
Fore limbs, shoulders, flanks, and hind limbs ochraceous. 
salaquensis (p. 245) 
Tail blackish at base, and with more or less black at tip. 
Similar in general coloration to gerrardt........ versicolor (p. 242) 
Upperparts dark chestnut, blackish mesially, and feet blackish; base 
a tau. below and anal ares Dial. eo. coe millert (p. 241) 
Tail with the tip wholly black. 
Median dorsal band obsolete; shoulders, flanks, and feet not red. _ 
morulus (p. 243) 
Median dorsal band narrow; in general coloration similar. to morulus. 
| ~ choco (p. 244) 
Tail with the apical fourth or third intense black; fore limbs and feet, 
flanks, thighs, and hind feet deep red or reddish... .zulie@ (p. 246) 
Similar to zulie but much paler throughout........ cucute (p. 247) 
Upperparts red; underparts white. 
Pelage long and soft. 
Upperparts light yellowish red, usually strongly grizzled with black 
Oty the Wee eo a na ea ep dpyns ls ww ane enea se (aed) 
é Lighter colored and less strongly grizzled with black. .bond@ (p. 249) 
Pelage short and hispid. : 
Uppermaris Geek rec i ee ee ens ey magdalene (p. 251) 
Upperparts dark red; tail banded with black; underparts white or red, or mixed 
WIG Ba Rey ee Me a es ay ea aaa eugene pyrrhinus (p. 252) 
