350 LASIOPYGA 



Lasiopyga MONA (Schreber). 



Simla mona Schreb., Saugth., I, 1775, p. 97, pi. XV; Bodd., 



Elench. Anim., 1784, p. 59. 

 Cercopithecus mona Erxl., Syst. Regn. Anim., 1777, p. 30 ; E. Geoff., 

 Cours Hist. Nat. Mamm., 1828, p. 19, 8me Legon; Less., 

 Spec. Mamm., 1840, p. 71 ; Martin, Mammif. Anim., 1841, 

 p. 527; I. Geoff., Diet. Hist. Nat., 1849, p. 304; Id. Cat. Pri- 

 mates, 1851, p. 20; Wagn., Schreb., Saugth. SuppL, V, 1855, 

 p. 47; Dahlb., Stud. Zool. Earn. Reg. Anim. Nat., fasc. I, 

 1856. pp. 103, 107: Reichenb., Vollstand. Naturg. Affen. 1862, 

 p. 109, figs. 271-275 ; Gray, Proc. Zool. Soc. Lond., 1868, p. 

 182; Id. Cat. Monkeys, Lemurs and Eruit-eating Bats, Brit. 

 Mus., 1870, p. 22; Schleg., Mus. Pays-Bas, Simiae, 1876, p. 

 80; Anders., Cat. Mamm. Ind. Mus. Calc, 1881, p. 57; Sclat., 

 Proc. Zool. Soc. Lond., 1893, p. 250; Forbes, Handb. Pri- 

 mates, II, 1894, p. 66; Pocock, Proc. Zool. Soc. Lond., II, 

 1907, p. 709, fig. 184; N. Hollist, Proc. Biol. Soc. Wash., 

 XXV, 1912, p. 93. 



MONA GUENON. 



Type locality. 'Barbary.' 



Gcogr. Distr. Jebba, River Niger, (C. F. Abadie) ; Bankana, 

 Southern Nigeria, (Ansorge) ; Gold Coast to Cameroon, West Africa; 

 islands of St. Kitts, and Grenada, West Indies, (introduced). 



Color. Long, upright white hairs across forehead forming a band 

 extending upward on head ; at its base a narrow line of black ; top 

 of head speckled yellow and black, this coloring extending downward 

 on to hind neck ; entire upper part and sides of body speckled rusty 

 red and black, darkest on lower back ; cheeks and sides of head, hairs 

 long, gray, ringed on apical portion with yellow and black ; outer side 

 of arms and hands black ; outer side of legs black speckled with 

 minute red spots ; feet black ; chin, throat, entire under parts, and 

 inner side of limbs grayish white ; conspicuous patch beneath tail to 

 hip snow white; tail above, basal third speckled red and black, yel- 

 lowish gray beneath, remainder black ; ear tufts long, speckled with 

 greenish yellow. 



Measurements. Total length, 1,295; tail, 785; foot, 145. Skull: 

 total length, 93.7; occipito-nasal length, 77.9; intertemporal width, 

 39.1 ; Hensel, 60.5; zygomatic width, 59.7; breadth of braincase, 52.7; 

 median length of nasals, 13.6; palatal length, 32.2; length of upper 

 molar series, 23.2; length of mandible, 59.2; length of lower molar 

 series, 30. One of the commonest species of the genus. 



