C ALLITHRIX 221 



b.' Above brownish gray C. p. jordani. 



d. Middle and top of head buff. 



fl.' Ear tufts black C. leucocephala. ■ 



b.' Ear tufts white C. flaviceps. 



e. Head above to nape brownish black C. jacchus. 



f. Head and upper parts of body white C. humeralifer. 



g. Forehead blackish brown ; back of head and nape 



yellowish white C. albicollis. 



c! No ear tufts C. pygmcea. 



CaIXITHRIX AKGENTATA (LinnJBUs). 



Simla argentata Linn., Mant., 1771, p. 521, pi. H; Gmel., Syst. 



Nat., 1788, p. 41 ; Audeb., Hist. Nat. Singes et Makis, 1797, 



Fam. VI, Sec. 2, Fig. 2 ; Shaw, Genl. Zool., 1800, p. 66, pi. 



XXVI, lower fig. 

 Callithrix argentata Erxl., Syst. Reg. Anim., 1777, p. 61. 

 Jacchus melanurus E. Geoff., Ann. Mus. Hist. Nat. Paris, XIX, 



1812, p. 120. 

 Jacchus argentatus E. Geoff., Ann. Mus. Hist. Nat. Paris, XIX, 



1812, p. 120; Desm., Mamm., 1820, p. 94. 

 Hapale melanura Kuhl, Beitr., 1820, p. 49 ; Wagn., Schreb., 



Saugth. Suppl., 1840, p. 244; V, 1855, p. 137; Casteln., Exped. 



Amer. Sud, Mamm., 1855, p. 20; Dahlb., Stud. Zool. Fam. 



Reg. Anim. Natur., 1856, pp. 186, 187 ; Sclat., Proc. Zool. Soc. 



Lond., 1875, p. 419, pi. I ; Schleg., Mus. Pays-Bas, Simise, 



1876, p. 268; Forbes, Handb. Primates, I, 1894, p. 136. 

 Midas melanurus E. Geoff., Cours Hist. Nat. Mamm., 1828, p. 36, 



lOme Legon. 

 Hapale argentatus Kuhl, Beitr., 1820, p. 49; Wagn., Schreb., 



Saugth. Suppl., 1840, p. 245; V, 1855, p. 128; Schleg., 



Mus. Pays-Bas, Simiae, 1876, p. 268. 

 Jacchus leucomerus Gray, Ann. Mag. Nat. Hist., XVIII, 1846, p. 



212. 

 Midas argentatus E. Geoff., Cours Hist. Nat. Mamm., 1828, p. 36, 



lOme Legon ; Bates, Nat. Amaz., 1863, p. 128. 

 Mico argentatus Less., Spec. Mamm., 1840, p. 192; Reichenb., 



Vollstand. Naturg. Affen, 1862, p. 6, figs. 21, 22. 

 Mico melanurus Gray, Cat. Monkeys, Lemurs and Fruit-eating 



Bats, Brit. Mus., 1870, p. 64. 



BLACK-TAILED MARMOSET. 



Type locality. "le Bresil." Geoffroy's type in Paris Museum. 



