318 ADDENDA, VOL. II. 



than head, not serrated, terminating in a long filament. Adipose dorsal 

 2 to 3 times as long as deep, 2 to 3 times as long as its distance from 

 rayed dorsal. Anal IV-V 7-8, rounded. Pectoral spine as long as or 

 slightly longer than head, strongly serrated on both sides. Ventral 

 reaching origin of anal or a little beyond. Caudal deeply notched, 

 upper lobe the longer. Caudal peduncle as long as deep or a little 

 deeper than long. Dark brown above and below, head, body, and dorsal 

 fins with numerous round black spots. Young paler brown, with larger 

 and fewer black spots ; fins whitish, with large black spots forming 

 cross-bars on the anal and caudal. 



Total length 235 millim. 



Portuguese Guinea. 



1-5. Types. Geba R. at Bafata. Dr. W. J. Ansorge (C). 



6. Type. Gulufi R. 



Nearest to S. nigrita and S. melanopterus. Distinguished by much 

 more numerous mandibular teeth. 



26. SYNODONTIS MACRO STIGMA, Blgr. 

 Gilchr. & Thomps. Ann. S. Afr. Mus. xi. 1913, p. 462, fig. 

 Add:— 



3. Hgr. Solwezi R,, N. Rhodesia. F. H. Melland, Esq. (P.). 



4. Yg. Kafue R., „ L. 0. Heath, Esq. (P.). 



27. SYNODONTIS OBESUS, Blgr. 



Add:— 



12. Yg. (?). Head -water of Aboina R., Capt. R, D. Gard'ner (P.). 



Cross R. 



28. SYNODONTIS ROB 131 ANUS, J. A. Smith. 

 Add:— 

 11-12. Yg. Deerr, mouth of Gurara R., Niger. J. J. Simpson, Esq. (P.). 



28 a. SYNODONTIS STEINDACHNERI. 

 Bouleng. Ann. & Mag. N. H. (8) xii. 1913, p. 69. 



Depth of body 4 times in total length, length of head 3^ times. 

 Head 1J times as long as broad, rugose above behind snout, which is 

 obtusely pointed and as long as postocular part of head ; eye supero- 



