Annals of the South African Museum. 



1. SYNODONTIS ZAMBEZENSIS, Peters. 

 (Batoka name, " Tshigogo "; Barotse name, " Singongi.") 



Synodontis zambezensis, Peters, Mon. Berl. Ac., 1852, p. 682 ; 

 Gunth., Cat. Fish., v., p. 214 (1864) ; Peters, Eeise Mossamb., iv., 

 p. 31, pi. v., figs. 2 and 3 (1868) ; Bouleng., Poiss. Bass. Congo, 

 p. 314 (1901), and Cat. Fresh. Fish. Air., ii., p. 415, fig. 312 (1911). 



Synodontis gambiensis, part., Gunth. and Playf., Fish. Zanzib., 

 p. 115, pi. xvii., fig. 1 (1866). 



? Synodontis zanzibaricus, Peters, Mon. Berl. Ac., 1868, p. 600. 



Synodontis punctulatus, Gunth., Proc. Zool. Soc., 1889, p. 71, and 

 1896, p. 223. 



Synodontis zambezensis rukwaensis, Hilgend. andPappenh., Sitzb. 

 Ges. naturf. Fr. Berl., 1903, p. 267. 



Synodontis nyassce, Keilhack, Sitz. Ges. naturf. Fr. Berl., 1908, 

 p. 168. 



Depth of body 4 to 4^ times in total length excluding caudal, 

 length of head 4 to 4 times. Head l-J^ to li times as long as 



FIG. 106. Synodontis zambezensis. 



broad, rugose above behind snout, which is rounded and 1 to I 1 . 

 times as long as postocular part of head ; eye supero-lateral, 6J to 

 6^- times in length of head and 2^ to 2f times in interorbital width ; 

 lips moderately developed; premaxillary teeth forming a short 

 broad band; movable mandibular teeth ^ to f diameter of eye in 



