EXPLANATION OF THE PLATES. 



PLATE LXIV. 



Fig. 1. Synodontis schall, Bl. Schn.,p. 353. Adult. Rosetta Nile. With upper view 



of head (a) and open mouth (b). 

 Figs. 2 & 3. Young. Samannud. 



All nat. size. 



PLATE LXV. 



Synodontis frontosus, VailL, p. 358. Mouth of Lake No. f nat. size. With upper 

 view of head, f nat. size, and open mouth, nat. size. 



PLATE LXVL 



Synodontis caudovittatus, Blgr., p. 361. Mouth of Lake No. (Type.) With upper 

 view of head and open mouth. Nat. size. 



PLATE LXVII. 



Fig. 1. Synodontis Victoria, Blgr., p. 363. Buganga, Lake Victoria. (Type.) 



a. Open mouth. Nat. size. 

 Fig. 2. Synodontis afro-jischeri, Hilg., p. 364. Bunjako, Lake Victoria, a. Open 



mouth. Nat. size. 



PLATE LXVIII. 



Synodontis eupterus, Blgr., p. 369. Goz-abu-Gumah, White Nile. (Type.) With 

 upper view of head and open mouth. Nat. size. 



PLATE LXIX. 



Synodontis filamentosus, Blgr., p. 371. Gebelen, White Nile. (Type.) With upper 

 view of head, nat. size, and open mouth. X 1 J. 



PLATE LXX. 



Synodontis serratus, Kiipp., p. 372. Ibrim, Nubia, f nat. size. With upper view of 

 head, f nat. size, and open mouth, nat. size. 



