22 



LEPIDOSIEENID.E. 



Fi". 15. 



Frotopterus ceihiopicus. 

 Lake Albert Edward (F. N.). }. 



Total length 1380 millim. 



From the Eastern Sudan to the borders of Lake Tanganyika.— Type 

 in Vienna Museum. 



1. Ad., stffd. Mouth o£ White Nile (?). 



2. Yo-. Wadelai, Albertine Nile. 

 3-4. Ad. Lake Albert Edward. 

 5. Skull. 

 G-13. Ad., hgr., & yg. JEntebbe, Lake Victoria. 



14, 15. Ad., stffd. Lake Victoria. 



Emin Pasha (P.). 



Prof. J. E. S. Moore (C). 



Scott Elliot, Esq. (P.). 



Mr. E. Degen (C). 



Mr. W. G. Doggett {().) ; 



Sir Harry Johnston (P.). 



IG, 17. Ad. & yg. 



18. Ad., skin. 



19. Skcl. 

 20-. Ad. 



Mr. W. G. Doggett (G.) ; 

 Col. Delmo RadcliBe (P.). 



Kakonde E., south end of Dr. W. A. Cunnington 

 L. Tanganyika. (C). 



3. FROTOPTERUS DOLLOL 

 Bouleng. Ann. Mu)-. Congo, Zool. i. p. 155, pi. Ivi. (1900), and Poiss. Bass. Congo, 

 p. 37 (PJOl). 

 Depth of body 11| to 12 times in total length. Length of head 5 to 

 6 times in distance from end of snout to vent ; snout broadly rounded, 

 more than -j length of head; eye very small, its diameter 15 to 19 times 

 in length of head, 4 to 6 times in interocular width (in half-grown and 

 adult). 54 pairs of ribs. Dorsal originating much nearer vent than 

 occiput. Fore limb longer than the hind limb and provided with a well- 

 developed fringe ; hind limb without or with a very rudimentary fringe. 

 86-91 scales in a longitudinal series from gill-opening to above vent, 

 40-44 round middle of body. Olive-brown above, Avith round black 

 spots, or uniform blackish above and whitish beneath ; lines of sensory 

 canals lighter than ground-colour. 



