335 



! / 2 longer than the eye. Yellowish brown, with a silvery hue 

 on belly and sides. Fins hyaline, or the distal part of dorsal, 

 pectorals, anal and lobes of caudal are darkish. Length about 

 140 mm. 



Habitat: South New Guinea ("Varen"-river, a tributary 

 of Lorentz-river!). 



In fresh and brackish water. 



6. Fam. BAGRIDAE. 



Dorsal fin short, with a pungent spine and 6 to 7 soft rays, 

 placed anteriorly in advance or partly above the ventrals, 

 which have 6 rays. Adipose fin longer or shorter than dorsal, 

 always well developed, opposite to the anal which has in 

 indo-australian species less than 20 rays. Pectorals lateral, with 

 a pungent spine. Caudal forked. Head conical or more or less 

 depressed, covered by thick or thin skin or the headshields 

 are even naked. Anterior and posterior nostrils wide apart, the 

 latter with a barbel. A pair of maxillary, mandibulary and 

 mental barbels present. Eyes subcutaneous or with a free orbital 

 margin. Mouth transverse or crescentic, at the lower side of 

 the snout, the upper jaw being more or less prominent. 

 Villiform teeth in the jaws in a band; on the palate in a 

 patch or in an uninterrupted semicrescentic band; by exception 

 (Bagrichthys) large movable labial teeth in the lower jaw. Gill- 

 membranes free from the isthmus, nearly totally separated or 

 united. 7 13 branchiostegals. 



Synopsis of the genera. 



A. Orbital margin free. No movable labial teeth. Gill- 

 membranes nearly totally separated Macrones p. 336. 



B. Eyes covered by skin. 



1. Lower jaw with large movable labial teeth. Branchial 

 membranes united. Teeth on hindborder of dorsal 



spine directed upward Bagrichthys p. 345. 



2. No labial teeth. 



a. Gill-membranes totally united. Teeth on hindborder 



of dorsal spine directed upward Bagrohtes p. 347. 



b. Gill-membranes nearly totally separated. Hindborder 

 of dorsal spine smooth or with the teeth directed 



downward Leiocassis p. 351. 



