460 CICHLID.E. 



Synopsis of the Species. 



I. Caudal rounded, truncate, or slightly emarginate. 



A. 4 anal spines; scales 40-53 ; caudal rounded. 

 D. XVIII-XIX 11 ; A. IV 7 ; Sc. 40-43 ^-^ ; 



9 gill-rakers on lower part of anterior 



arch ; mouth extending to below anterior 



border of eye 1. L. hrev'ianalis, Blgr,, p. 4G2. 



D. XX 10; A. IV 7; Sc. 41 ^; 10 gill- 

 rakers ; mouth not extending to below 



anterior border of eye 2. L. tetracanthus, Blgr., p. 4G3. 



D. XX 11 ; A. IV 7-8 ; Sc. 47-53 ^ ; 6-8 



gill-rakers ; mouth extending to below 



anterior border of eye 3. L. marg'inatus, Blgr., p. 4G3. 



B. 5 to 7 anal spines. 



1. Less than 60 scales in a longitudinal series. 

 a. Caudal rounded or subacuminate. 

 a. Two lateral lines. 

 D. XVIII-XIX 8-10 ; A. VI-VII 5-6 ; 



Sc. 42-53 ^^; 9-10 gill-rakers on 



lower part of anterior arch 4. Z. congolensis, Scbilth., p. 464. 



I). XVII-XVITI 8-9 ; A. V-VI 5-6 ; 



Sc. 30-36 YiZT'- '■> ^~^ gill-rakers . . . 5. L. tumhanus, Blgr., p. 465. 

 D. XIX 8; A. V-VI 6-7; Sc. 33-34 --, 



5 gill-rakers ; depth of body more than 



4 times in total length 6. />. /HO(Y«ay(///, Pellegr., p. 466. 



D. XVI-XVII 10-11; A. V 6; Sc. 37-42 



I'k^ ; 9 gill-rakers 1. L. tretoccphalus, Blgr., p. 466. 



D. XVIII-XIX 8-9 ; A. VI-VII 7-8 ; 



Sc. 52-57 ^yj; 12-16 gill-rakers ... 8. L. h('C(/ui, Blgr., p. 467. 

 /8. Upper lateral line short, lower absent. 

 D. XVII-XVIII 8-9 ; A. VI-VII 6 ; 



Sc. 35-38 ' ,; 8 gill-rakers .... 9. />. »i»//(/a^r/a^»5, Blgr., p. 468. 

 h. Caudal truncate or slightly emarginate. 

 D. XIX-XX 8-10; A. V-VI 6-7; Sc. 36-40 



13^14' 7 g'll-i"'^1^6rs; snout a little longer 



than eye 10. L. inodestus, Blgr., p. 469. 



I). XIX 9 ; A. V 7 ; Sc. 42-46 ^l~ ; 7-8 gill- 

 rakers ; snout much longer than eye . . 11. A. mondalnt, Blgr., p. 470. 

 D. XVII 9; A. VI 8; Sc. 38-40 §; snout 



longer than e\(' 12. L, deimla<:hncv'i, Blgr., ]i. 471. 



