THE SILKY TAMAEUT, 239 



appears more prominent by the projection of the or . 

 bits. 



One of the allying species is the Midas ursulus of 

 Geoffroy, which is about the same size with the com- 

 mon Ouistiti) and has the back undulated with a black 

 and brown colour, in a somewhat similar manner to 

 that species ; unlike it, however, this animal was very 

 ill-natured, and showed his teeth upon the least motion 

 near him, bit severely, or attempted it, when touched. 

 One of the most pleasing in appearance is, 



THE SILKY TAMARIN. 



Midas rosa/ia GEOFFROY. 



PLATE XXVIII. 



Simia rosalia, Linntsus. The silky monkey, Shawls Zoology. 

 Midas rosalia, Geoffroy Saint Hilaire> Annales du Museum^ 

 xix. p. 121. Le marikina, Frederic Cuvier, Histoire Na- 

 turelle des Mammiferes. Ouistiti marikina, Desmaresf* 

 MammalogiC) p. 95. 



THIS neat little animal is entirely of a clear golden 

 yellow, palest on the back and thighs. The hair is 

 very fine and silky, and so long upon the head and 

 neck as to form a sort of ruffed mane, somewhat simi- 

 lar to the same part in the lion, and which has gained 



