572 EXPLANATION OF THE PLATES. 



PLATE LVII. 



Bagrus bayad, Forsk., p. 324. Barrage near Cairo, f nat. size. With upper view of 

 head, -f nat. size, and prsemaxillary and vomerine teeth, nat. size. 



PLATE LVIII. 



Bagrus docmac, Forsk., p. 327. Samannud. With upper view of head and 

 praemaxillary and vomerine teeth, -f nat. size. 



PLATE LIX. 



Bagrus degeni, Blgr., p. 331. Entebbe, Lake Victoria. (Type.) With upper view 

 of head and praemaxillary and vomerine teeth. \ nat. size. 



PLATE LX. 



Fig. 1, Chrysichthysauratus,Geoffr.,-p.333. BeniSouef. Nat. size. 1 a. Dentition. 

 Fig. 2. Chrysichthys rueppelli, Blgr., p. 337. Nile. (Type.) Nat. size. 



PLATE LXI. 



Fig. 1. Clarotes laticeps, Riipp., p. 340. Adult. Jebelain, White Nile, f nat. size. 



a. Upper view of head, f nat. size ; b. Dentition, f nat. size. 

 Fig. 2. Young. Goz-abu-Gumah. Nat. size. 



PLATE LXII. 



Auclienoglanis biscutatus, I. GeofFr., p. 344. Gondokoro. Nat. size. With upper 

 view of head and open mouth. 



PLATE LXIII. 



Auclienoglanis occidentalism C. & V., p. 347. Mouth of Lake No. f nat. size. With 

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



