] 94 ADDENDA, VOL. I. 



15. DISTICHODUS EOSTEATUS, Gthr. 

 Pellegr. Poiss. Bass. Tchad, p. 81, fig. (1914). 



Add:— 

 27. Hgr. Lagoon at Asaba, Lower Niger. Major G. E. Bruce (P.). 



28-33. Yg. Aboina B., Cross E. Capt. E. D. Gavd'ner (P.). 



34-35. Yg. Abinsi, Benue E., N. Nigeria. Dr. J. M. Dalziel (P.). 



17. DISTICHODUS LUSOSSO, Schiltli. 

 Steind. Denkschr. Ak. Wien, Ixxxix. 1913, p. 21. 



17 a. DISTICHODUS ANSOEGII. 

 Bouleng. Ann. & Mag. N. H. (8) vii. 1911, p. 373.. 



Depth of body 3f to 4J times in total length, length of head 4J to 

 5 times. Head longer than deep ; snout rounded, not compressed, 

 projecting very slightly beyond mouth, shorter than eye, which is 2J to 

 2| times in length of head and equals interorbital width ; maxillary 

 extending to below nostrils ; teeth in a single series, 20 or 22 in each 

 jaw. Dorsal 17-19 (4 unbranched), equally distant from occiput and 



Fig. 123. 



Bistichodiis ansorgii. 

 Type. 



from caudal, its base equal to its distance from adipose fin, which is not 

 scaly. Anal 11-12 (3-4 unbranched), its base much shorter than that 

 of dorsal. Pectoral about | length of head. Caudal deeply forked, 

 lobes pointed. Caudal peduncle as long as deep or a little longer than 

 deep. Scales 55-62 ^^ ^_q between lateral line and root of ventral. 

 Yellow, speckled with brown above the lateral line, silvery white 



