2 Mr. G. A. Boulenger on 
Paratilapia aurita. 
D. XV-XVII 9-10. A. IIE 8. Sq. 35-36 <5. 
L. lat. 22-25/14-18. 
Depth of body 3 to 32 times in total length, length of head 
84 to 34. Diameter of eye 34 to 3? times in length of head ; 
maxillary extending to below anterior fourth or anterior third 
of eye; 2 or3 series 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. 
D. XVI-XVII 10. A. III. 7-8. Sq. 37-40 55. 
L. lat. 25-29/13=17. 
Depth of body 4 to 44 times in total length, length of head 
3 to 84. Snout pointed; diameter of eye 3 to 34 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. III 12-13, Sq. 60-68 3. 
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 34 to 84 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 than 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 Ujjiji. 
