562 



ME. G-. A. BOULENGER ON A COLLECTION 



Principal Characters of the Species of Lamprologus. 





Dorsal. 



Anal. 



Scales. 



Gill- 

 rakers. 



Caudal. 



L. brevianalis 



XVIII-XLX 11 



IV 7 



40-43 ^ 



9 



Rounded. 



L. tetracantlms .... 



XX 10 



IV 7 



41 - 



41 15 



10 



Rounded. 





XVII-XVIII 10-11 



V-VI 7-9 



85-95 ^=|| 



12 



Truncate. 



L. cimningtoni .... 



XX 10-11 



V7 



85-87^ 



S 



Rounded. 



L, tretocephalus .... 



XV1-XVII 10-11 



V 6 



37-42 £ 



9 



Rounded. 





XIX 9 



V7 



42-46 ^ 



7-8 



Slightly emarginate. 





XIX-XX 8-10 



V_VI 6-7 



36-40 ^ 



7 



Truncate. 



L. multifasciatus 



XVII-XVIII 8-9 



VI-VII 6 



35 -38 J^i 



8 



Rounded. 





XVIII-XIX 7-8 



VIII 5-6 



40-48 ^ 



9-10 



Eounded. 





XVIII-XIX 8-9 



VI-VII 7-8 



52-57 j|f, 



12-16 



Rounded. 







XIX-XX 8-9 



VII-VIII 6-7 



oo— oO n_T> 



9-10 



Rounded. 





XVIII-XIX 9 



VIII 7-8 



38-40 i^n 



10-12 



Rounded. 





XIX 10 



VIII 8 



39 :T 



14 



Truncate. 





XVIII-XIX 8 



VIII 6-8 



35-36 ^ 



14-16 



Truncate. 





XVII-XVIII 6-7 

 XX-XXI 6 



VII-IX 5-6 

 X5 



33-35 ^ 

 32-33 ^ 



9 

 15 



Rounded. 

 Rounded. 



L. compressiceps . . . . 





XIX s 



X 6 



46^ 



12 



Rounded. 





XIX-XXI 7-9 



VI-VII 5-6 



50-60 jM 



14-16 



Deeply notched. 



less than f length of head ; soft dorsal much produced, longest ray nearly as long as 

 head. Anal III 7, third spine as long as, but stronger than, last dorsal, soft rays 

 like those of dorsal. Pectoral acutely pointed, as long as head, reaching origin of 

 anal. Ventral produced into a long filament, extending beyond origin of anal. 

 Caudal rounded. Caudal peduncle as long as deep. Scales 36 ^ ; lateral lines =^- 

 Brownish above, whitish beneath, with six broad dark cross-bands, the last two on the 

 caudal peduncle ; a dark brown opercular spot and a large dark brown spot at the base 

 of the pectoral fin ; fins without markings. 

 Total length 255 millim. 



