» FISHES FROM UGANDA 307 



17. Tilapia lacrimans, Blgr 



18. Tilapia variabilis, Blgr. 



19. Mastacembelus victoriae, Blgr. 



20. Haplochilus pumilus, Blgr. 



Grows to a length of 00 millimeters. 



21. Ciarias alluaudi, Blgr. 



22. Bagrus degeni , Blgr. 



Although of large size (530 millim.), the unique specimen in 

 the collection has the maxillary barbel more elongate than is 

 stated in the original description of this very near ally of the 

 Nilotic B. docmac. It extends a little beyond the extremity of 

 the pectoral fin. 



23. Synodontis afro-fischeri , Hilg. 



24. Alestes nurse, Riipp. 



2o. Mormyrus kannume, Forsk. 

 26. Protopterus aethiopicus, Heck. 



