MORMYKID.K. '■••-' 



4a. PETROCEPHALUS MICnorilTHAT.:^!!'^. 

 Pellogr. Ball. Soc. Fhiloni. ('.V) x. IHOS. p. 2. 



Depth of body 2f times in total Icii-th. length of head 4 times. 

 Head as long as deej), with convex npper profile ; snout { length of 

 head, rounded, projecting beyond mouth ; mouth below eye, its width 

 i length of head; about 10 teeth in upiJerjuw. 1^0 in lower; eye 5 tunes 

 in lengtli of head, 2^ times in interorbital width. Dorsal I'J. originating 

 above'lOth ray of anal, its length less tlian half its distance from head. 

 Anal 28, nearly equally distant from has.- .,f ventral and from caudal. 

 Pectoral f length of head, reaching ventral. Caudal scaled at the base, 

 with pointed lobes. Caudal peduncle 3 times as long as deep, | length 

 of head. .So scales in lateral line, I between dorsal and anal, iO round 

 caudal peduncle. Silvery, olive-brown above ; dorsal and anal blackish 

 anteriorly. 



Total length 9") millim. 



Ogowe. — Type in Paris Museum. 



Intermediate between F. hallo i/i and T. siniiis. 



-}. PETRO('ErHAi>US SIMUS, Banv. 

 Add :— 

 lH-21. Ad. I'.iuiilia 1!. at Assohain, G. L. Bates, Esq. (C). 



S. Canicrodii. 

 22. A'l. Njiomo, Ujiowc. Rev. E. Haug (C.) ; 



Paris Museum (E.). 

 2:5-2('.. Ad., lij^r., guanza li. at Ciuiga, Angola. Dr. W. J. Ansorgc (C). 



& yg. 

 27-31. Ad. & hgr. Lucalla R. at Kelange, ., Dr. W. J. Aiisorge (C). 



32, Hgr. " Cyan R.. Nig(M-. A. E. Kit^on, Esq. (P.). 



•$;5-35. Ad. & hgr. Geha R. ahovi; Bafata, Dr. AV. J. Ansorge (C). 



Poitug. Ciiiinca. 

 3i;. Hgr. N. Sherho .iistiict, Si.-rra N. W. Thomas, Esq. (P.). 



Looue. 



ba. PETROCEPHALUS CUNGAKUS. 

 Boukng. Ann .V Mag. N. II. (8; vi. JOIO, p. .539. 



Depth of body e.pial to length of head, o^ times in total length. 

 Head slightly longer than deep, with convex upper profile; snout 

 rounded, strongly projecting beyond mouth. ^ length of head ; mouth 



