LAMPEOLOGUS. 469 



small ; cheek naked. Gill-rakers moderately long, 8 on lower part of 

 anterior arch. Dorsal XVII-XVIII 8-9 ; spines siibequal from the 

 eighth or ninth, about f length of head ; longest soft ray i length of 

 head. Anal VI-VII 6 ; last spine slightly longer than longest dorsal. 

 Pectoral f length of head. Ventral nearly reaching origin of anal. 

 Caudal rounded. Caudal peduncle as long as deep. Scales 35-38 

 hTTi ; upper lateral line short, 8-15, lower absent. Pale brown above, 



Pig. 321. 



Lamjyrologus midtifasciatus. 

 Type (Tr. Z. S. 1906). 



white beneath, witli 10 or 17 very regular dark brown bars, the last 

 3 or 4 of which are on the caudal tin ; dorsal fin with oblique dark 

 brown bars. 



Total length 34 millim. 



Lake Tanganjika. 



1-4. Types. Niamkolo Bay. Dr. \Y . A. Cunnington (C). 



5-6. Ad. & hgr. Sumbu Bay. Dr. L. Stappers (C). 



7. Ad. Liivu Bay. „ 



10. LAMPROLOGUS MODESTUS. 

 Bouleng. Tr. Zool. Soc. xv. 1898, p. 8, pi. i. fig. 5, and Poiss. Bass. Congo, p. 400 

 (1901; ; Pellegr. Mem. Soc. Zool. France, xvi. 1904, p. 289 ; Bouleng. 

 Tr. Zool. Soc. xvii. 1906, p. 558. 



Depth of body 3|- to 3f times in total length, length of head 3 to Be- 

 times. Head twice as long as broad; snout a little longer than eye, 

 which is 3^ to 4 times in length of head and equals interorbital width ; 

 mouth extending to below anterior border of eye ; 6 rather large canine 

 teeth in front of each jaw, followed by a moderately broad band of 

 minute teeth ; lateral teeth small ; cheek naked. Gill-rakers very 

 short, 7 on lower part of anterior arch. Doisal XIX-XX 8-10 ; spines 

 increasing in length to the last, which measures a little less than -^ 

 length of head ; median soft rays produced, f to f length of head. 

 Anal V-VI 6-7 ; last spine a little shorter than last dorsal. Pectoral 



