144 Lloyd's natural history. 



Characters. — Differs from M. weddelH in having the fur washed 

 with rufous, and the hairs finely ringed. 



Distritution. — Unknown. 



Vin. THE BROWN-HEADED TAMARIN. MIDAS FUSCICOLLIS. 



Midas fuscicollis, Spix, Sim. et Vespert. Bras., p. 27, pi. 20 



(1823). 

 Midas flavifrons^ Is. Geoffr., Cat. Meth. Primates, p. 64 (1851) ; 



Castelnau, Exp^d. Amer. Sud, Mamm., pi. vi., fig. i 



(1855) ; Gray, Cat. Monkeys, Brit. Mus., p. 67 (1870). 

 Midas devillii (nee Is. Geoffr.), Slack, Proc. Acad. Nat. Sc. 



Philad., 1 86 1, p. 464. 

 Hapale fuscicollis^ Schl., Mus. Pays Bas, vii., p. 264 (1876). 

 Hapale chrysomelas (nee Kuhl), Schl., t. c. p. 254. 



Characters. — Pelage mostly black ; head and face brown or 

 reddish-brown, with some grey hairs ; lips white, but the nose 

 black ; top of the head yellow, or yellowish-red ; back yellow 

 and black ; hands and feet black ; outside of the limbs and 

 base of the tail reddish ; under side of the body and inside of 

 the limbs brownish-red. 



The female differs in having the outside of the limbs and 

 the underpart of the body blackish. 



Distribution. — Brazil. 



Habits. — Nothing is known of the individual habits of this 

 species. 



IX. THE YELLOW-TAILED TAMARIN. MIDAS CHRYSOPYGUS. 



Hapale chrysopyga, Wagner, in Schreb. Saugeth., i., Simiae, p. 

 249 (1840); Schl., Mus. Pays Bas, vii., p. 254 (1876). 



Characters. — Similar to M. fuscicollis. Black, with the thighs, 

 legs, and base of tail rusty-red. 



Distribution. — Brazil, near Ypanema, Province of St. Paulo. 



