THE HOWLERS. C93 



Alouafta scniculus^ Lacep., Mem. de I'lnst., iii., p. 489 (1800). 

 Stenior tirst?ia (nee fig.), Humb. and Bonpl., Obs. Zool., v.. 



p. 354(1811). 

 Myceies sefiiaihis, Illig., Prod. Syst. Mamm., p. 70 (18 11); 



Geoffr., Cat. Meth. Primates, p. 52 (1851); Schl., Mus. 



Pays Bas, vii., p. 156 (1876) ; Gray, Cat. Monkeys Brit. 



Mus., p. 39 (1870, part.). 

 Sfetttor se?iiailiis, Geoffr., Ann. Mus., xix., p. 108 (1812). 

 Mycetes stramineus^ Spix, Sim. et Vespert., Bras., p. 45, pi. 31 



(1823 ; nee Geoffr.). 

 Mycetes chry sums ^ Geoffr., Mem. Mus., xvii., p. 6() (1829). 

 Mycetes aiiratus^ Gray, Ann. N. H., xvi., p. 220 (1845); ^^• 



Cat. Monkeys Brit. Mus., p. 40 (1870). 

 Mycetes laniger^ Gray, Ann. N. H., xvi, p. 219 (1845); id. 



Cat. Monkeys Brit. Mus., p. 40. 

 Aluatta senicula, Slaek, Proe. Acad. Nat. Sci. Phil.xd., 1862, 



P 517- 



(Plate XX.) 



Characters. — Head, neek, limbs and tail, dark G^estnut- 

 brown ; back and sides golden-yellow; beard in the full-grown 

 male long, the hair golden-yellow at the root, otherwise chest- 

 nut brown ; face naked, black ; chest naked, the abdomen 

 sparsely covered with long brown hairs. 



The hair of the body is soft. The tail varies in colour in 

 individual specimens, being sometimes, at its termination, of 

 the same colour as the back, and sometimes bright golden- 

 yellow. The 7nammce are occasionally situated in the axillce 

 (or arm-pits). Length of body, 19}^ inches; tail, 20 inches. 



Youno:.— Of the same colour as the parents, only a little darker, 

 the hair hard and rigid. 



3— V- I o 



