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ously behind middle of eye. Origin of dorsal opposite to or slightly 

 behind extremity of pectorals. Pectorals 2^j.^ — 3 in length of 

 head. Ashy gray or blackish, vertical fins with a black margin. 

 Length of measured specimens from the Archipelago to 662 mm. 

 [Specimen of Bleeker's collection in the Leiden Museum 

 seen by us]. 



Habitat: Batu-Islands; Java (Karangbollong, Patjitan); 

 Celebes (Menado, Tanawangko) ; Solor; Letti. — Almost cos- 

 mopolitan, but not found in the Eastern Pacific. 



3. Congrellus Ogilby. 



(Ogilkv, Pioc. Linn. Soc. New South Wales, 1898, p. 286. — Co?igermuracna 

 Kaup, Cat. Apodal fish 1856, p. 108, (p. p.). — Cofigromuracna Giinther, 

 Cat. Brit. Mus. VIII. 1870, p. 40, (p.p.). — Oph'isonia (Swainson) Bleaker, Atl. 

 Ichth. IV. 1864, p. 27 (p.p.))- 



Very elongate, anteriorly subcylindrical, posteriorly com- 

 pressed. Anus more or less before middle of length; origin of 

 dorsal before, above or somewhat behind the base of the pectorals. 



Fig. 109. Congrellus anago (Schlegel). X.l'A- 



Dorsal, caudal and anal confluent. Pectorals well developed. 

 Head moderate, conical, much shorter or longer than or equal 

 to trunk; in its front part the bones with large muciferous 

 cavities. The snout may be prominent. Eyes large, covered 

 by skin, without free orbital margin. Posterior nostrils opposite 



