212 ADDENDA, VOL. L 



2. DISCOGNATHUS, Heck. 



1. DISCOGNATHUS DEMBEENSIS, Kui-p. 

 A(l(l:- 



t?0. Hgr. Eusso Nyiro, Brit. E. Afric:i. A. B. rercival (P.). 



■2\-27.Ad.khiii: Eus.so Mara, ,. ,. „ 



if<-37. Ad. & lior. Saya, „ „ „ 



C. DISCOGNATHUS HINDU, Blgi-. 

 Add :— 



21-27. Ad. &: ligr. Rmiiuruti, Waso Narok (Loriau Sir F. J. Jackson (P.). 



Swamp). 



3. VARICORHINUS, lUij^p. 

 Acapocta, f'ockorcll, Proc. Biol. Soe. "Wasliington, xxiii. I'.Ul, p. 1-19. 



As the number of species has been more tlinn doubled since tlie 

 publication of the first volume of this Catalogue, it is advisable to 

 give a new key to their identification. 



Si/no2)sis of the Sjiecies. 



I. Two pairfi of harbels ; last simple ray of dorsal strong and ossified. 



A. Spine of dorsal shorter than head ; branched rays in dorsal ; posterior 



barbel as long as eye. 

 Sc. 29^, 2, 12 ; caudal peduncle not longer than 



deep ; ventrals below anterior soft rajs of dorsal . 1'. ansorij'ti, Blgr. 

 Sc. 31 jf, 2^, 12 ; caudal peduncle much longer than 



■'a 



deep ; ventrals below niiildle of dorsal .... I', hriicii, Blgr. 



B. Spine of dorsal longer than head; 10 (rarely 9 or 11) branched lays in 



dorsal ; posterior barbel shorter than eye. 



Sc. 30-35 i|'^^ 2-2i, 12-1-1; mouth straight, with 



rounded papilhe in front and behind ; posterior 

 barbel about | diameter of eye ; ventrals below 



anterior rays of dorsal V. eniifer, Blgr. 



Sc. 41 ^, 4, 16 ; mouth curved, without jiapillw ; 

 posterior barbel | diameter of eye ; ventrals below 

 middle of dorsal V. slenostoina, Blgr. 



