2 Mr. G. A. Boulenger on 



Paratilapia aurita. 



D. XV-XVII 9-10. A. Ill 8. Sq. 35-3fi £^. 

 L. lat. •22-25/U-.18. 



Depth of body 3 to 3^ times in total length, length of head 

 3^ to 3i. Diameter of eye 3;^ to 3-2 times in length of head ; 

 niaxillaiy extending to below anterior fourth or anterior third 

 of eye ; 2 or 3 scries of teeth ; 4 or 5 series of scales on the 

 cheek, 10 or 11 gill-rakers on lower part of anterior arch. 

 Pectoral as long as head. Caudal feebly notched. A very 

 distinct blue-black opercular spot. 



Total length 130 millim. 



Several specimens from Msambu, Tanganyika. 



Paratilapia calliura. 



2—3 

 10' 



D. XVI-XVIl 10. A. 1X1. 7-8. Sq. 37-40 £ 

 L. lat. 25-29/13-17. 



Depth of body 4 to 4^ times in total length, length of head 

 3 to 3§. Snout pointed ; diameter of eye 3 to 3^ times in 

 length of head ; maxillary extending to below anterior fourth 

 of eye ; 2 series of teeth ; 2 or 3 series of scales on the cheek. 

 15 gill-rakers on lower part of anterior arch. Pectoral a 

 little shorter than the head. Caudal feebly notched. Dorsal 

 and anal edged with black; 4 or 5 black bars across the 

 caudal. 



Total length 110 millim. 



Several specimens from Kalambo, Tanganyika. 



Paratilapia stenosoma. 



D. XV 13. A. Ill 12-13. Sq. 60-68 ^g. 

 L. lat. 54-58/31-34. 



Body very strongly compressed, its depth nearly equal to 

 length of head and 2| to 3 times in total length. Diameter 

 of eye 3^ to 3^ in length of head ; maxillary not extending 

 to below anterior border of eye ; 2 or 3 series of teeth ; 2 series 

 of scales on the cheek. 19-23 gill-rakers on lower part of 

 anterior area. Pectoral a little shorter tlian the head. Caudal 

 deeply notched. Dorsal fin blackish at the edge. 



Total length 220 millim. 



Three specimens from the south end of Lake Tanganyika 

 and from Maswa, south of Ujiji. 



