LOBOCHILOTES.— DOCIMODUS. 281 



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 XVII-XIX 9-11 ; middle dorsal spines 

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

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

 longest dorsals. Pectoral |- 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 1^ times as long as deep. Scales 

 feebly denticulate, 33—35 jtjzj^ ; lateral lines pzfg. 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. Kinyamkolo. Prof. J. E. S. Moore (C). 



4. Skel. 



5-6. Ad. & yg. Niamkolo. Dr. W. A. Cunnington (C). 



7. Ad. Kibvvesi. Prof. J. E. S. Moore (U.). 



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



8. DOCIMODUS. 

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

 Zool. France, xvi. 1904, p. 348. 



Pody moderately elongate ; scales cycloid ; two incomplete lateral 

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

 edged 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 

 (144-18). 



Lake Nyassa (Upper Shir6 River). 



