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 Giinther. Cat. Brit. Mus. VII. 1868, p. 378. 
Osteoglossum jardinii 5. Kent. Proc. Roy. Soc. Queensland. VIII. 1892, p. 105. 
Scleropages leichhardti Max Weber. Notes Leyden Mus. XXXII. 1910, p.226. 
Bie? D202 AL eas Paes) Nees lide ot inert 
Elongate. Height 3°/,—4, equal to head, eye about 7, about 
as long as snout. Gape of mouth very oblique. Maxillary 
reaching far behind eye. Barbels very smal]. 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 11—-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. 
1. Chanos Lacépede. 
(LACEPEDE Hist. Nat. d. Poissons. V, 1803, p. 395). 
For characters of the single genus see those of the family. 
