288 ADDENDA, VOL. U. 



arch. Clavicles concealed under the skin. Dorsal 73, its distance 

 from occipital process -j length of head. Anal 62. Dorsal and anal 

 extending almost to the very root of caudal. Pectoral not quite J length 

 of head, spine short, strongly seriated on both sides. Ventrals very small, 

 If times as far from caudal as from end of snout. Caudal \ length of 

 head. Uniform blackish brown ; caudal with a narrow light edge. 



Total length 130 mm. 



Lake Rukwa. 



1. Type. L. Rukwa. F. H. Melland, Esq. (P.). 

 Distinguished from C. Iceviceps by the granular vomerine teeth, fewer 



gill-rakers, fewer dorsal and anal rays, and a longer and narrower 

 occipital process. 



31. CLARIAS THEODORA, M. Web. 



Bouleng. TV. Zool. Soc. xviii. 1911, p. 405 ; Gilchr. & Thomps. Ann. S. AfV. Mus. 

 xi. 1913, p. 445. 



Add:— 



2-3. Ad. & ligr. Okovango R., L. Ngami. R. B. Woosnam, Esq. (C). 



32. CLARIAS FOULONI, Blgr. 



Add :— 



2. Ad. L. Bangwelu. F. H. Melland, Esq. (P.). 



33. CLARIAS SALJE. Hubr. 



Add :— 



3-4. Ad. & ligr. Nanna Km, Liberia. W. P. Lowe, Esq. (C). 



5. Skel. ,, ,, ,, 



2. ALLABENCHELYS, Blgr. 



2. ALLABENCHELYS LONGICAUDA, Blgr. 

 Add: — 



9. Ad. Ja R. at Esamesa. G. L. Bates. Esq. (C> 



la. ALLABENCHELYS LATICEFS. 

 Steind. Anz. Ak. Wien, 1911, p. 532. 



Depth of body 8f to 9 times in total length, length of head 5 to of 

 times. Head 1^ to l£ times as long as broad ; eye 11 to 12 times in 

 length of head, interorbital width nearly 2 times; band of prsemaxillary 



