746 ON MONKEYS OF THE GENUS CERCOPITHECUS. [June 18, 



Plate XL. 



Fig. 1. Head of C. campheUi Watei'h. (p. 710). From a skin in the collection of the 

 Societr. 



2. Head of G. Inrnetti Gray (p. 710). Ditto. 



3. Head of C. signatns .Tent. (p. 721). Ditto. 



4. Head of C. ascanius schmidti Matschie (p. 720). From a skin, not quite 



typical, in the collection of the Society. 



5. Head of C. ascanins ascanins Audeb. (p. 719). From a skin in the collection 



of the Society. 



6. Head of C. pefaiirista huttiloferi Jent. (p. 718). Ditto. 



PL.4.TE XLI. 



Fig. 1. Head of C. diana Linn. (p. 682). From a skin in the Society's collection. 



2. Head of C. Vhoesti Scl. (p. 714-). From the type specimen ditto. 



3. Head of C. ceplms cephus Linn. (p. 722). From a specimen now living in the 



Society's Gardens. 



4. Head of C. eri/throc/aster Gray (p. 715). Ditto. 



5. Head of C. eri/thvoiis Waterh. (p. 725). From a skin in the Society's collection. 



6. Head of C. ^«^as^)fl^rts SchreLer (p. 742). Ditto. 



Plate XLII. 



Fig. 1. Head of C. sahwus Linn. (p. 726). From specimen living in the Society's 

 Gardens. 



2. Head of C. (stJiiops cstJtiops Linn. (p. 728). Ditto. 



3. Head of C. cipiosiirus Scop. (p. 734). Ditto. 



4. He'dd oi C. pi/geri/flims pi/c/er^fhrns Cnv. (p. 735). Ditto. 



5. Head of C. niffrovii-idis, sj). n. (p. 739). From the skin of the type specimen. 



6. Head of C. talapoin taJapoin Schreber (p. 741). From specimens now living- 



in the Soc:'etv's Gardens. 



