CCELONOTTJS. 



85 



1. CCELONOTUS ARGULUS. 



Syvgnatlius argus (non Richards.), Peters, Mon. Berl. Ac. 1852, p. G85. 

 Calonotus argulus, Peters, Mon. Berl. Ac. 1855, p. 4G5, and Reise Mossanib. iv. 



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



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



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

 the iatero-dorsal ridges well marked. Snont a little shorter than post- 

 ocular part of head ; operculum witli radiating strice and a straight 



Fig. 70. 



Coelonotus argulus. 

 Type, after Peters (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 grey, with two superposed white ocellar spots with black 

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

 each 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. 



Fie. 71. 



Coelonotus liaspis. 

 Madagascar, after Sauvage (J. c). 



2. CCELONOTUS LTASPIS. 



Syngnathis leiaspis, Bleek. Vcrh. Batav. Gen. xxv. 1853, p. 20 ; A. Dum. Hist. 



Poiss. ii. p. 572 (1870). 

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



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

 Coelonotus liaspis, Giiiith. Cat. Fish. viii. p. 188 (1870). 

 Hemithylacus goudot'd, Kaup, op. cit. ]>. 76. 

 Coelonotus va'illanti, Juillerat, Bull. See. 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 + 32-35 ; 



7 Bou II/lii 



