CCELONOTTJS. 



85 



1. CCELONOTUS ARGULUS. 

 Si/ngnathus argus (non Richards.), Peters, Mon. Berl. Ac. 1852, p. 685. 

 Coalonotus argulus, Peters, Mon. Berl. Ac. 1855, p. 465, and Reise Mossamb. iv. 



p. 106, pi. XX. fig. 4 (1868) ; A. Dum. Hist. Poiss. ii. p. 541 (1870) ; GiintL. 



Cat. Fish. viii. p. 189 (1870). 



Head and body about f of total length ; bony rings 17 + o8-39 ; only 

 the latero-dorsal ridges well marked. Snout a little shorter than post- 

 ocular part of head ; operculum with radiating strife and a straight 



Fig. 70. 



Coelonotus arf/uhis. 

 Type, after Petei-s (Reise Mossamb.). f . 



ridge on the anterior f of its length. Dorsal 42, on 11 rings, 3 of which 

 belong to the trunk. Anal 4. Pectoral and caudal fins well developed. 

 Brownish gvey, with two superposed white ocellar spots with black 

 centre on each side of each ring on the trunk and one on each side of 

 eacii ring on the tail; a dark streak on each side of the snout; caudal 

 fin blackish, with a lighter edge. 



Total length 115 millim. 



Mountain streams of Johanna, Comoro Islands. — Types in Berlin 

 Museum. 



Fig. 71. 



Coslonotus liaspis. 

 Madagascar, after Sauvage {I. c). 



;E^EBS^SSziasRa 



2. COELONOTUS LIASPIS. 

 Sungnathus leiaspis, Bleek. Verb. Batav. Gen. xxv. 1853, p. 20 ; A. Dum. Hist. 



"Poiss. ii. p. 572 (1870). 

 Jlemithylacus leiaspis, Kaup, Cat. Lophobr. Fish, p. 61 (1856) ; A. Dum. t. c. 



p. 599 ; Sauv. Hist. Madag., Poiss. p. 507, pi. 2. fig. 5 (1870). 

 Cmlonotus liaspis, Gunth. Cat. Fish. viii. p. 188 (1870). 

 Hemitliylacus goudotii, Kanp, op. cit. p. 76. 



Ccelonotus vaillanti, JuiUerat, Bull. Soc. Philom. (7) iv. 1880, p. 176 ; Sauv. 

 op. cit. p. 508, pi. xlix. b. fig. 6. 

 Head and body about f of total length ; bony rings 17-18 + o2-3o ; 



