2S4 ADDENDA, VOL. II. 



17. CLARIAS BREVICEPS, Blgr. 

 Add :— 



2. A.l. Luali R. at Lunclo. Dr. W. J. Ansorge (C). 



18. CLARIAS WALKERI, Gtlir. 

 Pappenh. Mitth. Zool. Mus. Berl. v. 1911, p. 518. 



20. CLARIAS ANGOLENSIS, Stdr. 

 ? Clarias monhei, Keilhaek, Mitth. Zool. Mus. Berl. v. 1910, p. 119. 

 Add :— 



23. Ad. Abogaji, Aboina R., Cross R, Major G. E. Bruce (P.). 



24. Hgr. Lower Niger. Mr. J. Paul Arnold (P.). 

 25-28. Ad. & yg. Luali R. (Chiloango) at Lnndo. Dr. AY. J. Ansorge (C). 

 29-30. Hgr. Cross R. Major W. A. C. Cock- 

 burn (P.). 



31. Ad. Povo Grande, Cabinda. Dr. W. J. Ansorge (C). 



21. CLARIAS BYTHIPOGOX, Sauv. 



Steind. Denkschr. Ak. Wien, lxxxix. 1913, p. 28. 



Add:— 



12. Yg. Sankuru R. ;it Kondue, Kasai. M. E. Luja (C.) ; Luxemburg 



Museum (P.). 



23. CLARIAS VTERXERL Blgr. 

 Add:— 



14-19. Yg. L. Gangu, W. of L. Victoria. C. M. Voodhouse, Esq. (P.). 



23 a. CLARIAS OXYCEPHALIES. 

 Bouleng. Ann. & Mag. N. H. (8) xii. 1913, p. 68. 



Depth of body 6 times in total length, length of head 4§ times. 

 Head nearly 1\ times as long as broad, tapering in front, snout obtusely 

 pointed, upper surface smooth ; occipital process angular, as long as 

 broad ; frontal fontanelle twice as long as broad, larger than the occipital 

 fontanelle, which is anterior to the occipital process ; eye 3 times in 

 length of snout, b\ in interorbital width, which exceeds width of mouth 

 and is f length of head ; band of preernaxillary teeth 3-| times as long as 

 broad ; vomerine teeth conical, forming a crescentic band which, in the 



