EUCH1LICHTHTS. 



times in interocular width ; base of adipose 

 fin | to £ its distance from dorsal .... 

 Depth of bod}' 4£ times in total length ; eye 5 

 to 5^ times in length of head, 2 times in 

 interocular width ; base of adipose fin nearly 

 equal to its distance from dorsal .... 



487 



2. E. royauxi, Blgr., p. -488. 



3. E. dybowskti, Vaill., p. 489. 



1. EUCHILICHTHYS GUENTHERI. 



Atopochilus guentheri, Schilth. Tijdschr. Nederl. Dierk. Ver. (2) iii. 1891, p. 86., 



pi. vi. fig. 2. 

 Euchilichthys guentheri, Ann. & ling. N. H. (7) vi. 1900, p. 523, and Poiss. Bass. 



Congo, p. 331 (1901). 



Depth of body § its greatest width, 7 times in total length. Head 

 large, much depressed, covered with soft skin, a little longer than 

 broad, its length 3-^ times in total length ; snout broadly rouuded, 

 nearly twice as long as postocular part of head ; nostrils nearer end of 



Fisr. 3G4. 



Eiuliiluhthtjs guentheri. 

 Type. i. 



snout than eye, the diameter of which is 10 times in length of head, 

 5 times in interocular width ; buccal cleft straight, nearly half length 

 of head; mandibular teeth notched; lateral barbel j length of head, 

 posterior barbels about half diameter of eye. Dorsal I 6, originating 

 immediately behind pectorals ; spine strong, covered with skin, measuring 

 j length of head. Adipose fin -| its distance from rayed dorsal. 

 Anal 10 (3 rays rudimentary). Pectoral spine ^ length of head, its 



