No. 38. 



ABSTRACT OF THE PROCEEDINGS 



OF THE 



ZOOLOGICAL SOCIETY OF LONDON; 



January 15th, 1907. 

 Dr. J. Rose Bradford, F.R.S., Vice-President, in the Chair. 



The Secretary read a report on the additions that had been 

 made to the Society's Menagerie during the months of November 

 and December 1906. 



Mr. Oldfield Thomas, F.R.S. , exhibited the skin of a new 

 Monkey from the Ituri Forest, obtained during the recent Ruwen- 

 zori Expedition, and diagnosed it as follows : — 



Cercopithecus denti, sp. n. 



Allied to C. campbelli, but not darkened on the posterior back 

 and hind limbs, the outer side of these latter being grizzled olive- 

 yellowish to the ankles. Under surface and inner side of limbs 

 very sharply defined creamy white. Tail greyish white, darkening 

 terminally to black. 



Sab. Ituri Forest. 



Type. Male. Original number 184. Collected by R. E. Dent. 



Mr. P. H. Bahr, F.Z.S., read a paper "On the ' Bleating' or 

 * Drumming ' of the Snipe {Gcdlinago ccelestis)." The object of 

 the paper was to prove that this phenomenon was produced by 

 the tail-feathers of this species, a point which had been much 

 disputed. It was found that if the feathers were attached to a 

 cork in a special manner, the peculiar bleating sound could be 

 produced, and, furthermore, that only two feathers in this species 

 were the active agents in producing the sound. Observation 



* This Abstract is published by the Society at 3 Hanover Square, London, 

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