608 Mr. C. T. Hegan on the Siluroid Fishes of 



Readily disting-uisliable by the liglit greyish bands on tlie 

 sides of the rump, the greyer arms and legs, and the purer 

 white under surface. The Museum possesses two co-types 

 of huttikoferi from the St. Paul's River, Liberia, with which 

 the above comparison has been made. 



Cercopitliecus camphelli lowei, subsp. n. 



Like true camphellij with the exceptions that the dorsal 

 colour is brighter, more yellowish, and less tawny; the 

 forehead-crest begins deep fulvous at once instead of there 

 being a certain number of whitish hairs at its front edge ; 

 the legs from the hips downwards are black (not quite as 

 black as the feet), instead of being daik smoky grey ; and 

 the under surface is more distinctly white, well defined on 

 each side from the smoky-grey line which separates it from 

 the colour of the flanks. 



Dimensions of the type (measured in the flesh) : — 



Head and body 545 mm. ; tail 780 ; hind foot 147; ear 28. 



Skull : greatest length 99 ; upper cheek-tooth series 25. 



Ilah. Bandama, Ivory Coast Protectorate. 



Type. Adult male. B.M. no. 23. 2. 3. 2. Original 

 number 2070. Collected 4th January, 1923, by Messrs. 

 Lowe and Hardy. Two specimens. 



..The above differences are quite constant as compared with 

 the six Sierra Leone and Liberian specimens, including the 

 type, which have been used for making the comparison. 



Named in honour of Mr. Willoughby P. Lowe, to whose 

 abilities the Mammal Collection is so much indebted. He 

 made a speciality of collecting Mammals during the recent 

 Lynes-Lowe Expedition to Darfur, and has now obtained 

 quite a number of interesting forms, including three new 

 Squirrels, in the Ivory Coast Protectorate. 



LXVII. — Note on the Siluroid Fishes of the Genera Glypto- 

 sternum and Exostoma. By C. Tate Regan, M.A., 

 F.K.S. 



(Published by permission of the Trustees of the British Museum.) 



In 1842 McClelhind ((Calcutta Journ. Nat. Hist. ii. p. 584) 

 established the genus Glyptosternon, which he diagnosed as 

 follows : — 



" Teeth like velvet, mouth situated in the lower part of the 



