6. Copidoglanis Giinther. 

 (GiiNTHER. Cat. Brit. Mus. V. 1864, p. 25). 



(Neosilurus Steindachner, Eumeda Castelnau, Lambertia Perugia, 

 Anyperistius Ogilby). 



Elongate, tail tapering, head more or less depressed, mouth 

 transverse, rounded in front, lips thick, papillated. Upperlip 

 prominent, anterior nostril a short tube in the frontpart of 

 of the upperlip, posterior nostril a narrow slit behind nasal 

 barbel. A maxillary barbel at the end of the upperlip, a mandi- 

 bulary one near the corner of the mouth and two mentals ones 

 between the mandibulary barbels. Origin of first dorsal con- 

 spicuously behind origin of pectorals, with a serrated spine. 

 Caudodorsal generally wanting, but it may extend, in different 

 degrees, forward, never reaching farther than above origin 

 of anal. Anal many-rayed, confluent with caudal. Ventrals 



with ii 13 rays. Pec- 

 torals with 8 12 rays 

 and a denticulated spine. 

 Conical teeth in the up- 

 per jaw in two square 

 patches. Front row of 

 mandibulary teeth coni- 

 cal, the other ones mo- 

 larlike as those on the 

 vomer. Lateral line 

 more or less conspicu- 

 ous. No axillary porus. 

 First branchial arch with 

 stout gillrakers, few in 

 number and at its inner- 

 side with a membrane, 

 the free edge of which 

 is fringed or has roun- 

 ded processes, which 

 partly may get inde- 

 pendent (Fig. 96, 97). 

 Second and third bran- 

 Fig. 97. Part of the first gillarch of Copido- chial arch with sh rt > 

 glanis ater (Perugia) X 2 i seen from inner side, weak processes Oil the 

 m membrane, r gillrakers, k gillfilaments. sides fadng each Qthen 



Gillmembranes united, forming a deep notch, free from the isthmus. 



Fig. 96. Part of first gillarch of Copidoglanis 

 novae-guinea M. Web. seen from inner side X 

 4.5, m membrane, r gillrakers, k gillfilaments. 



