CERCOPITHECUS WOLFI. 63 



NOTE III. 

 CERCOPITHECUS WOLFI, N. SP. 



BY 



A. B. MEYER. 



In the Zoological Garden of Dresden, since the year 1887, 

 there has been a living specimen of a Cercopithecus, brought 

 hither from Central West-Africa by Dr. Ludwig Wolf. This 

 specimen so obviously represents an undescribed species of 

 monkey , that I need not hesitate any longer in describing 

 it shortly, though this can be done but imperfectly during 

 its life-time. The following remarks, therefore, must be 

 looked upon as preliminary only, to be completed after 

 the animal's death. 



This new species belongs to the Mofia-group , which 

 was divided by Prof Schlegel (Cat. Mus, Pays-Bas, Singes, 

 1876, p. 80) into those with white over the root of the 

 tail and those without it. 



The first division is represented solely by C. inona Erxl. ; 

 the second is composed of C. Camphelli Wat., C.pogonias 

 Benn. {Erxlebenii Dahlb. & Puch.) , and C. erythrogaster 

 Gray , all occurring in Western Africa. To this latter group 

 C. Wolji belongs , though it may at a glance be distinguished 

 from all other species by its ferruginous hind legs 

 and by the light patches on inside of thighs and 

 arms. Hereby it would be sufficiently characterized, as 

 this , as far as I am aware , does not occur in any known 

 species. I give, however, as detailed a description as is possible 

 while the animal is living. 



Above bluish gray , on sides of body darker , middle of 

 back shading into yellowish brown. Cap brownish gray. 

 An upraised yellowish white semicircular frontlet reaching 



Notes from the Leyden Mluseura, Vol. XIII. 



