EUCH7LICHTHYS. 



times in interocular width ; base of adipose 

 fin § to £ its distance from dorsal ... 2. 



487 



K. 



royauxi 



Bli-'. 



488. 



Depth of body 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 .... 3. E. dybowskii, Vaill., p. 489. 



1. EUCHILICHTHYS GUENTHERI. 

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



pi. vi. fig. 2. 

 EucMUclitliys guentheri, Ann. & Mag, 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 rounded, 

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



IV. 364. 



EtifJtiUrJithys (jiienthen. 

 Type. |. 



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 \ length of head, 

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

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

 I length of head. Adipose fin J its distance from rayed dorsal. 

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



