560 Fishes from the Quanza and Bengo Rivers, 



Serranidse. 

 45. Lutjanus eutactus, Blkr. 

 Quanza River at Cunga. 



Pristipomatidae. 

 46. Pristipoma jubelini, C. & V. 



Quanza River at Cunga, and Bengo River at Qui- 

 fungondo. 



Native name : Matoma. 



CichlidsB. 



47. Hemichromis fasciatus, Peters, 



Quanza River at Cunga. 



48. Tilapia flavomarginata, Blgr. 



Quanza and Bengo Rivers, Lake Panguila. 

 Native name : Cacusso. 



49. Tilapia cabree, Blgr. 



Quanza River at Cunga and Cabambe, Lake Rumango. 

 Native name : Shopa. 



50. Tilapia melanopleura, A. Dum. 

 Quanza River at Cunga. 



51. Tilapia acuticeps, Stdr. 



Lucalla River at Lucalla. 



Adult males are pale purplish brown^ the chin and throat 

 dull blue, the other fins yellow, dorsal, anal, and caudal with 

 bright rose round spots and edged with light rose. 



GobiidiP. 



52. Nematogobius ansorgii, g. & sp. n. 



Depth of body 5 to 6 times in total length, length of 

 head 3^ to 3^ times. Head If times as long as broad, 

 broader than deep ; snout short, rounded ; jaws equal in 

 front or lower slightly projecting; eye 4 times in length of 



