TETRODOX. 



145 



2. TRTKODON M15U. 

 BiUiU'iiji. Ami. Mu... Congo, Zuol. i. p. 5i;, i-l. xxix. (18il0), Poiss. Bas.s. Conf;o, 

 p. o03 (I'.HIl), and Ann. JIus. Conj^o, Zool. ii. pi. xv. fig'. 5 (rj02). 

 Head as loug as broad or a little longer than broad, its length 3 to 

 3i times in total length. Suout rounded, ^ or f length of head ; inter- 

 orbital region feebly convex, 1^ to 2 times in length of head; e)e 

 lateral, 4 (young) to 9 times in length of head ; no nostril, but two 

 nasal tentacles on each side, measuring ^ to § diameter of eye. Dorsal 

 rounded, 11-1:^. Anal rounded, 10-11, opposite dorsal. Pectoral 

 rouudcd-subtrnncate, f to h length of liead. Caudal rounded, as hmg as 

 or longer than head. Caudal peduncle i to f lenglli of liead, alxnit 

 twice as long as deep. Head and body with minute spines, except 

 on snout and on sides tnid lower surface of caudal region ; lateral-line 



Fi". 98. 



Tetrodon mbu. 

 Type (A. M. C). |. 



system represented by very distinct furrows. IJrownish above, with large 

 black spots or marblings (young), or with black vermicular lines forming 

 a handsome pattern ; young with one or two black longitudinal bands 

 on each side of the caudal peduncle ; lower parts uniform yi'llow or 

 orange ; tins unspotted, or caudal with black longitudinal streaks. 



Total length G7U millim. 



Congo. — Types in Congo Museum, Tervueren. 



1,2. Types. 

 ■?. Yg., type, 

 •i. A.l. 

 r)-t"i. Hgr. 

 7. Skel. 

 8-9. l^y.&yi 



VOL IV. 



Uniangi. Upper Congo. 

 Monseinlie, „ 



Stanley Falls, Uppi-r Congo. 

 Ulipcr ( 'oiigo. 



Sanl 



Sanlvuni I v. 



K. :it Kuiiiliic. I\a.-;n. 



('apt. AVilvcrlli (C). 

 IJev. J. H. Weeks d'.). 

 Dr. C. Christy (C.). 

 ]}nis.sels University. 

 ]{ev. G. Grenfell (P.). 

 M. E. Luja (C.) ; Luxem- 

 burg Museum (P.). 

 J. 



