234 



SILURID.E. 



17-18. Yg. 

 19-21. Yg. 



Bubu R., Urangi, E. Africa. 

 Kandoa, Usagara, „ 



22-23, 24, 25, 26, Zanzibar. 



27. Hg.&yg. 

 28-29. Ys. 



30. Yg. 



31. Hgr. 



32. Hgr. 



33. Ad. 

 34-39. Hgr. & 



yg- 



L. Tanganyika. 

 Niamkolo, L. Tanganyika. 

 L. Bangwelu. 

 Chiromo, Shire R. 

 Beira, Mozambique. 



Prof. 0. Neumann (C). 

 Capt. Bloyet (C.) ; 



Paris Museum (E.). 

 Sir L. Playfair (P.). 



Sir J. Kirk (P.). 

 Prof. J. E. S. Moore (C). 

 Dr. W. A. Cunnington (C). 

 F. H. Melland, Esq. (P.). 

 R. MacDonald, Esq. (P.). 

 Mr. C. Grant (C.) ; 

 C. D. Rudd, Esq. (P.). 



6. CLARIAS VINCIGUERR^. 



Bouleng. Ann. & Mag. N. H. (7) x. 1902, p. 438, and Proc. Zool. Soc. 1907, 

 p. 1072, fig. 



Depth of body 7 times in total length, length of head 3 times. Head 

 If- times as long as broad, upper surface strongly granulated ; occipital 



Fig. 196. 



Olarias vinciguerrce. 

 Type (P. Z. S. 1907). f 



process angular ; frontal fontanelle knife-shaped, 3^ times as long as 

 broad, 4J times in length of head ; occipital fontanelle small, in advance 

 of occipital process ; eye small, 3 times in length of snout, hi times in 



