14 



Buccal incubation has been recorded in this fish by FUHR- 

 MANN (Ann. Sc. Nat. Paris XX. 1905). 



2. Scleropages leichhardti Giinther. 



Scleropages leichhardti Giinther. Ann. Mag. Nat. Hist. XIV. 1864, p. 196. 

 Osteoglossum leichhardti Gunther. Cat. Brit. Mus. VII. 1868, p. 378. 

 Osteoglossum jardinii S. Kent. Proc. Roy. Soc. Queensland. VIII. 1892, p. 105. 

 Scleropages leichhardti Max Weber. Notes Leyden Mus. XXXII. 1910, p. 226. 



B. ?; D. 20; A. 31 ; P. ?; V. 5; L.I. 35; L. tr. 34. 



Elongate. Height 3 3 / 4 4, equal to head, eye about 7, about 

 as long as snout. Gape of mouth very oblique. Maxillary 

 reaching far behind eye. Barbels very small. Pectorals more 

 than 4 times in length. Darker above, light below, with light 

 stripes and spots on the head and on the scales of the 

 dorsal surface. Length 700 mm. 



Habitat: New Guinea (Digul river). Queensland. 



The occurrence of this species in New Guinea is based on 

 a photo. 



5. Fam. CHANIDAE. 



Oblong, moderately compressed, head depressed. Scales 

 cycloid, small, adherent, silvery, longitudinally striped. Head 

 naked. Scales forming a sheet along the base of dorsal and 

 anal. Axillary scales above and below pectorals and ventrals ; 

 a lateral line consisting of scales with a single tube. Mouth 

 terminal, small, transverse, bordered above by intermaxillaries, 

 which exclude from the gape the short and broad maxillaries, 

 which have no supplemental bone. The mandibles are overlapped 

 by the upper jaw. They have a symphysial tubercle, fitting 

 into a notch between the intermaxillaries. No teeth. Dorsal 

 fin opposite to ventrals, longer than short anal. Ventrals well 

 developed, with n 12 rays. Caudal very long, forked to the 

 base, its upper lobe the longest. Gillmembranes totally united, 

 free from isthmus, 4 branchiostegals. Pseudobranchiae well 

 developed. Gillrakers in two diverging rows, exceedingly fine 

 and numerous. 



i. Chanos Lacepede. 



(LACfepfcDE Hist. Nat. d. Poissons. V, 1803, p. 395). 

 For characters of the single genus see those of the family. 



