560 ME. G. A. BOTJLENG-EE ON A COLLECTION" 



Allied to L. lemairii and L. hecqui. Distinguished from the former by the longer 

 gill-rakers, the broader interorbital space, fewer scales in a vertical series, and more 

 numerous soft rays in the anal fin ; from the latter by larger scales and 8 anal spines 

 instead of 6 or 7. 



39. Lamprologus keticulatus, sp. n. (Plate XXXV. fig. 4.) 



Depth of body 4 times in total length, length of head o\ times. Snout pointed, as 

 long as the eye, the diameter of which is contained 3-J times in length of head and 

 equals interorbital width ; maxillary extending to below anterior fourth of eye ; canines 

 very small, followed by a narrow band of minute, villiform teeth ; a few scales on the 

 cheek; operculum with large scales. Gill-rakers short, 14 on lower part of anterior 

 arch. Dorsal XIX 10, spines increasing in length to the last, which measures j$ length 

 of head ; longest soft dorsal ray but slightly longer than longest spine. Anal VIII 8, 

 last spine as long as last dorsal spine. Pectoral rounded, f length of head. Ventral 

 extending to origin of anal. Caudal truncate, slightly emarginate. Caudal peduncle 

 once and ^ as long as deep. Scales 39 ^ ; lateral lines ^. Brown, the scales edged 



with darker, forming a reticulate pattern ; dorsal and anal fins dark brown, with oblique 

 rows of round whitish spots ; caudal fin brown, with numerous, rather indistinct light 

 spots at the base, and an oblique whitish streak in the upper corner. 



Total length 62 millim. 



A single specimen from Vua. Native name : Zagezi, like L. callipterus. 



Distinguished from L. callipterus, the young of which it resembles in coloration, by 

 the truncate caudal fin and the smaller teeth. 



40. Lamprologus calliurus, sp. n. (Plate XXXV. fig. 5.) 



Depth of body 2-f to 3 times in total length, length of head 3 times. Snout obtuse, 

 a little shorter than the diameter of the eye, which is s length of the head and a little 

 greater than interorbital width ; maxillary extending to below anterior fourth of eye ; 

 outer canines strong, curved ; a narrow band of minute, villiform teeth ; cheek naked : 

 operculum scaly. Gill-rakers long and slender, 14 to 16 on lower part of anterior 

 arch. Dorsal XVII-XVIII 7 ; spines subequal from the eighth or ninth, measuring 

 about -| length of head ; soft rays a little longer. Anal VIII 6-8, last spine nearly as 

 long as longest dorsal spines. Pectoral rounded, § length of head. Ventral extending 

 beyond origin of anal. Caudal truncate. Caudal peduncle a little deeper than long. 

 Scales 35-36 1 -£^, ; lateral lines ^?. Yellow, brownish on the back, with rather 



indistinct darker bars across the back and across the caudal fin ; a sharply defined 

 black, opercular spot, edged with silvery in front. 

 Total length 50 millim. 



