288 ADDEXDA, VOL. H. 



arch. Clavicles concealed under the skin. Dorsal 7o, its distance 

 from occipital process ^ 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 serrated 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 Kukwa. 

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



Distinguished from C. keii'cejjs by the granular vomerine teeth, fewer 

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

 occipital process. 



31. CLARIAS THEODOK.E, M. AVeb. 



Bouleng. Tr. Zool. Soc. xviii. 1911, p. -Id.'. ; Gilclir. & Thomjis. Ami. 8. Afr. Mus. 

 xi. 1013, p. 41.5. 



Add:— 



2-3. Ad. & ligr. Okoviingo !{., L. Xgiuiil. ]{. B. "Woosikuh, Esq. (C). 



32. CLAHIAS EOULONI, lilgr. 

 Add :— 



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



33. CLARTAS fSAL.E. Hubr. 



Add :- 



3-4. Ad. & ligi-. Nanna Krn, Libuna. AV. P. Lowe, Esq. (C). 



5. Skel. „ 



?) 



2. ALLABENCHELYS, Blgr. 



2. ALLABENCHELYS LONGleAL'UA, Blgr. 

 Add:— 



9. Ad. Ja K. at Esamesa. (J. L. Bates, Esq. (C). 



2a. ALLABENCHELYS LATICEl'S. 

 Steiud. Anz. Ak. Wieii, 1011, p. .532. 



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

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

 length of head, interorbital width nearly 2 times; baud of pra?maxillary 



