CALLICEBUS 257 



Caixicebus BEUNNEUS (Wagner). 



Callithrix brunnea Wagn., Wiegm., Archiv., 1842, 1, p. 357 ; Wagn., 

 Schreb., Siiugth. Suppl., V, 1855, p. 118; Reichenb., Vollstand. 

 Naturg. Affen, 1862, p. 25, fig. 70; Schleg., Mus. Pays-Bas, 

 Simiae, 1876, p. 230; von Pelz., Brasil. Saugeth., 1883, p. 20. 



BROWN MASKED TITI. 



Type locality. Falls of the Bonaneira, Rio Mamore, Brazil. Type 

 in Vienna Museum. 



Color. Face black; forehead black; hairs tipped with red; these 

 red tips are absent on the center of the forehead in front, which is jet 

 black, but behind this and on the sides the red tips dominate, and the color 

 is dark red, the black not showing ; whiskers dark red, hairs tipped with 

 black, just the opposite to the coloring of the forehead ; top and back 

 of head, back and sides of neck, and entire upper parts pale yellowish 

 brown, the hairs being rufous and tipped with yellowish brown, which 

 becomes the dominant color of the upper parts ; throat, breast, under 

 parts, flanks and limbs on inner and outer sides reddish chestnut, some 

 hairs on inner side of arms tipped with black ; hands and feet black ; 

 tail reddish chestnut, hairs with black tips, tip of tail yellowish brown ; 

 tufts on ears black. Ex type Vienna Museum. 



Measurements. Total length, 815; tail, 440; foot, 90. Ex type 

 Vienna Museum. 



Three specimens are in the Vienna Museum, a male and two 

 females obtained by Natterer. It is a strongly marked species not to 

 be confounded with any other. Unfortunately there is no skull. The 

 general appearance is that of a reddish animal with a yellowish brown 

 back and black forehead. There is no difference in color between 

 the sexes. 



