MASTACEMBELUS. 



1127 



Than eye ; mouth extending to below anterior third or centre of eye ; 

 no prteorbital or prteopercular spines. Dorsal XXX-XXXIIl 80-90 ; 

 spines extremely short, last scarcely longer than eye; distance between 

 first spine and head f to | length of head. Anal II 80-90. Caudal 

 rnunded-subacuminate. Pectoral A length of head. Scales very small, 

 10 to 18 between origin of soft dorsal and lateral line; latter formed 

 of a few tubules widely separated from one another. Brown or olive 

 above, with dark spots or marblings and a vertebral series of small 

 black spots ; a regular series of round or squarish dark brown spots on 

 each side of the back, sometimes confluent into a wavy band ; yellowish 

 on the sides, with a more or less distinct brown network ; dorsal and anal 

 fins spotted with brown. 



Total length 320 millim. 



South Cameroon. 



1-5. Types. 

 6-12. AJ. 

 13. Skcl. 



Ja R. at Buye. 



G. L. Bates, Esq. (C). 



Eiff. 80. 



Madacembclus batesii. 

 Type. 



16. MASTACEMBELUS MOOEII. 



Bouleng. Tr. Zool. Soc. xv. 1898, p. 22, pi. vii. iig. 1^ Poiss. Bass. Congo, p. 193 

 (1901), and Tr. Zool. Soc. xvii. 1906, p. 575. 



Depth of body 14 times in total length, length of head 7^ times. Vent 

 equally distant from end of snout and from caudal, its distance from 

 head 2J to 3 times length of latter. Snout 3 times as long as eye, 

 ending in an appendage which is a little longer than the eye ; mouth 

 extending to below centre of eye ; no prasorbital or prseopercular spines. 



