424 



SILUKID^. 



large blackish spots, yellowish white beneath ; fins yellowish green with 

 transverse series of black spots. 



Total length 150 millim. 



Lower Zambesi. — Type in Berlin Museum. 



19. SYNODONTIS WOOSNAMI, sp. n. 



Depth of body 3^ times in total length, length of head 3§ times. 



Head a little longer than broad, rugose above from between the eyes ; 



snout as long as postocular part of head ; eye superolateral, 6 times in 



length of head, twice in interorbital width ; lips moderately developed ; 



Fig. 319. 



Synodu>Uis woosnami. 

 Type, f 



praemaxillary teeth forming a short and broad band ; movable man- 

 dibular teeth ^ diameter of eye, 20 in number. Maxillary barbel not 

 margined, f length of head, reaching a little beyond root of pectoral 

 spine ; mandibular barbels with long slender branches, outer lh times 

 as long as inner. Gill-opening not extending downwards beyond base 

 of pectoral spine. Occipito-nuchal shield rugose like the occiput, a 

 little longer than broad, posterior processes obtusely pointed. Humeral 

 process slightly longer than broad, obtusely pointed, not extending so 

 far back as occipito-nuchal process. Dorsal I 7 ; spine f length of 



