536 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



Largely dull brown, paler below and with leaden gray sheen. 

 Each scale with 1 or 2 yellowish spots. Top of head brownish dusky, 

 sides largely with silvery sheen. Fins dull brownish, membranes 

 of dorsal, anal, and caudal mostly dusky. 



Queensland. 



13 examples. A.N.S.P. Queensland (wrongly labeled "New Zealand"). Dr. 

 J. Haast. Length, 292r-591 mm. 



Family CHANIDAE 



Body oblong, compressed. Abdomen broad, rounded or flattened. 

 Snout depressed. Eye completely covered with broad adipose lids. 

 Mouth small, lower jaw with small symphyseal tubercle. Maxillary 

 short, wide, excluded from mouth gape, without supplemental bone. 

 Mandible overlapped by upper jaw. No teeth. Gill membranes 

 broadly united, free from isthmus. Pseudobranchiae moderate and 

 accessory branchial organ in cavity behind gill cavity, Branchi- 

 ostegals 4, wide. Mucous membrane of oesophagus raised in spiral 

 fold. Air bladder large. Intestine with many convolutions. Ver- 

 tebrae 45. Scales small, firm, adherent, cycloid. Lateral line com- 

 plete, tubes simple. Dorsal opposite ventral. Anal shorter than 

 dorsal. Caudal long and deeply forked. Pectorals low. Ventral 

 rays 10 to 12. 



Large fishes of the Indo-Pacific. One living genus, besides several 

 as fossils from European Cretaceous and Eocene deposits. 



Genus CHANOS Lacepede 



Chanos Lacepede, Hist. Nat. Poiss., vol. 5, p. 395, 1803. (Type, Chanos arabicus 



Lac^p^de, monotypie.) 

 Lutodeira Van Hasselt, Algemein Konst. Letterbode, p. 333, May 1823. (Type, 



Lutodeira indica Van Hasselt, monotypie). — Van Hasselt, Bull. Sci. Nat. 



Ferussac, vol. 2, p. 92, 1824. (Type, Lutodeira indica Van Hasselt.) 

 Lutodira Aqassiz, Nomencl. Zool. Index Univ., p. 217, 1846. (Type, Lutodeira 



indica Van Hasselt.) 

 Scoliostomus Rijppbxl, Atlas Reise Nordl. Afrika, Fische, p. 17, 1828. (Type, 



Lutodeira indica Van Hasselt.) 

 Ptycholcpis (not Agassiz 1832) Gray, in Dieffenbaeh, Travels in New Zealand, 



vol. 2, p. 218, 1842. (Type, Mugil salmoneus (Forster) Schneider.) 



Body fusiform. Belly not keeled. Head depressed. Eye large. 

 Mouth terminal, transverse. Upper edge of upper jaw formed by 

 premaxillaries, with which front end of maxillary firmly joined. 

 Gill rakers very fine and numerous. Scales silvery, rows arranged 

 longitudinally. Head naked. Dorsal and anal with basal scaly 

 sheaths. Lateral line with simple tubes. Caudal forked, long. Pec- 

 toral low. Ventral rays 10 to 12. 



One species. 



