LOEOCHILOTES.— DOCIMODUS. 1^81 



extending to below nostril or to between nostril and eye, with very 

 strongly developed lips, both upper and lower produced into a large 

 triangular lobe; teeth in 3 to 5 series, 34 to 66 in outer series of upper 

 jaw; middle pharyngeal teeth, with spheroid crowns ; 3 or 4 series of 

 scales on the cheek, width of scaly part equal to or a little less than 

 diameter of eye. Gill-rakers moderately long, 15 to 20 on lower part 

 of anterior arch. Dorsal XYII-XIX 9-11 ; middle dorsal spines 

 longest, ^ to f length of head ; longest soft rays ^, or nearly i, length 

 of head. Anal III 6-8 ; third spine as long as and stronger than 

 longest dorsals. Pectoral f to f length of head, extending to vertical 

 of origin of anal. Ventral reaching vent or origin of anal. Caudal 

 truncate. Caudal peduncle 1^ to If times as long as deep. Scales 

 feebly denticulate, 33-35 j^^ ; lateral lines f^f^. Pale olive, with 9 

 or 10 more or less distinct darker cross-bars; dark bars between the 

 eyes ; fins greyish brown, dorsal sometimes with oblique dark and light 

 streaks, or with round reddish-yellow dark-edged ocellar spots between 

 the soft rays ; anal with or without yellow dark-edged ocellar spots ; a 

 yellow spot sometimes present on the middle of the ventral ; caudal 

 with numerous round dark spots between the rays. 



Total length 330 millim. 



Lake Tanganyika. 

 1-3. Types. Kinyanikolo. ProL J. E. S. Moore (C.)- 



4, Skei. 

 5-6. Ad. & yg. Kiamkolo. Dr. AV. A. Cunnington (C). 



7. Ad. " Kibwesi. Prof. J. E. S. Moore (C). 



8. Ad. Kapanipa. Dr. L. Stappers (C). 



8. DOCIMODUS. 



Boiileng. Proc. Zool. Soc. 1896, p. 917, and 1899, p. 141; Pellegr. Mem. Soc. 

 Zool. France, xvi. 1904, p. :!18. 

 Body moderately elongate ; scales cycloid ; two incomplete lateral 

 lines. Jaws with a very broad band of teeth with compressed sharp- 

 edo-ed crowns; the outer teeth large, with nail-shaped entire crowns or 

 with a very small lateral cusp, the others small and tricuspid; maxillary 

 exposed. Dorsal with 16 or 17 spines, anal with 3. Vertebrae 32 



(14-hl8). 



Lake Nyassa (Upper Shu'c Kiver). 



