454 



SILUEIDiE. 



deeply notched, upper lobe often prolonged into a filament. Caudal 

 peduncle nearly as long as deep. Yellow or pale brown above, marbled 

 with dark brown, the rayed fins spotted with dark brown ; young dark 

 brown, with two or three yellow wavy cross-bands. 



Total length 240 millim. 



Congo. 





1. Ad. 



Matadi, Lower Congo. 



2. Type. 



Kin.sliassa, Stanley Pool. 



3. Ad. 



Monsembe, Upper Gongo. 



4-6. Hgr. & yg. 



Bikoro, L. Tumba, Upp. Congo 



7-9. Ad. 



Upper Congo. 



10. Hgr. 



Banzyville, Ubanghi. 



11. Ad. 



Aruwimi R. 



Capt. Wilverth (C). 

 M. A. Greshoff (C.) ; 



Utrecht University (E.). 

 Rev. J. H. Weeks (P.). 

 M. P. Delhez (C). 

 Brussels University. 

 Capt. Royaux (C). 

 R. B. Woosnam, Esq. (C.) ; 



Ruwenzori Expedition. 



43. SYNODONTIS ALBERTL 

 Schilthuis, Tijdschr. Nederl. Dierk. Ver. (2) iii. 1891, p. 88 ; Vaill.N. Arch. Mus. 

 (3) viii. 1896, p. 118, pi. xii. fig. 1; Bouleng. Poiss. Bass. Congo, p. 317 

 (1901). 



Fig. 341. 



Synodontis alberti. 

 Type. 



Depth of body 3 to 3§ times in total length, length of head 3| to 

 4 times. Head 1} to 1£ times as long as broad, rugose above from 

 between the eyes ; snout rounded, £ to § length of head ; eye superd- 



