134 ALLEN'S NATURALIST'S LIBRARY. 



only in the dry woods bordering the Campos in the interior 

 of Brazil. 



Habits. "One would mistake it," writes Mr. Bates in refer- 

 ence to this rare little Marmoset the prettiest species of its 

 family " at first sight for a Kitten, from its small size, varied 

 colours, and the softness of its fur. It was a most timid 

 creature, screaming and biting when anyone attempted to 

 handle it. It became familiar, however, with the people of the 

 house, a few days after it came into their possession. When 

 hungry or uneasy, it uttered a weak querulous cry, a shrill note 

 which was sometimes prolonged so as to resemble the stridula- 

 tion of a grasshopper." 



III. THE WHITE-EARED MARMOSET. HAPALE AURITA. 



Jacchus auritus, Geoffr., Ann. Mus., xix., p. 19 (1812). 

 Hapale aurita, Kuhl, Beitr. Zool., p. 48 (1820); Schl., Mus. 

 Pays Bas, vii., p. 276 (1876). 



Characters. Larger than Hapale jacchus ; ears naked, ex- 

 ternal, exposed, with a band of long hairs across the inner sur- 

 face of the conch, forming a short grey tuft; tail ringed, blackish, 

 the hair minutely punctulated with yellow or red ; sides of the 

 head, limbs, and hinder part of body blackish-brown ; face 

 more or less white ; back blackish, without indication of cross- 

 bands. 



Distribution. Brazil. 



IV. THE WHITE-FOOTED MARMOSET. HAPALE LEUCOPUS. 



Hapale leucopus, Giinth., P. Z. S., 1876, p. 743, pi. Ixxii. 



Characters. Hair of back and sides moderately long, silky, 

 brownish-grey ; nape and occiput darker ; face and head 

 covered with short sparse white hair ; ears large, naked, and 

 without tufts ; throat greyish-brown ; under side of body and 



