SYNOPSIS OF THE SIMIADJE. 271 



by the great angie of the upper edge of the orbits ; upper Incisoii 

 contiguous, under incisors equal in size ; two inferior canine teeth 

 nearly equal in 'size to the upper; nails, except on the lauuer 

 thumbs, formed like claws ; tail as in Hapales. 



L. M. RUFIMANUS, Red-Handed Tamarin. Simia midas, 

 Linn. Rumb. Tamarin, Audeb. Tamarin a mains 

 rousses, Geoff. Ann. du Mus. xix, p. 121. Ouistiti 

 tamarin, Desm. Mamm. p. 94. Hair black ; lower part 

 of the back varied with gray ; four hands reddish. Guiana. 

 (Not found in Brasil, Desm.) 



2. M. URSULUS, The Negro Tamarin. Tamarin negre, 

 Audeb ; Geoff. Ann. du Mus. xix. p. 121. Ouisciti negre, 

 Desm. Mamm. p. 94. Hair black ; back wa^d with 

 bright reddish 5 hands black. Inhabits Para, 



Allied to the preceding. 



3. M. LABIATUS, White-lipped Tamarin Tamarin labid, 

 Geoff. Ann. du Mus. xix. p. 121. Ouistiti labirf, Desm. 

 Mamm. p. 95. Hair blackish, reddish beneath ; head 

 black , nose and lips white. Inhabits Brasil. 



4. M. CHRYSOMELAS, Yellow-fronted Tamarin. Ouistiti a 

 front jaune, Desm. Mamm. p. 95. Hair black ; fore- 

 head and upper side of the tail golden-yellow ; forehead, 

 knees, breast, and sides of the head, of a chestnut-red. 

 Inhabits Brasil and Para. 



PLATEXXVIII 5. M.ROSALIA, The Marikina, or Silky Tamarin. 



Simia rosalia, Linn. Humb. Marikina, Buff. Audeb. 

 Geoff. Ouistiti marikina, Desm. Mamm, p. 95. Hair 

 of a golden yellow, varying from a yellower to a redder 

 tinge ; a main upon the neck. Inhabits Guiana, and the 

 southern regions of Brasil, from Rio Janeiro to Cape Frio. 



Desmarest mentions a variety from Guiana, varied with red 

 and black-~-frorn Brasil, bright shining red. 



PLATE XXIX 6. M. LEONINUS, Leonine Tamarin. SitrU 



leonina, Humb. Obs. Zool. i. 361. Leoncito, Geoff. 



