54 



length of liead. Maxillary reaches to ^•ertical of about ;f the 

 distance between point of snout and anterior margin of eye. 

 Profile from origin of dorsal to point of snout convex. 



Dorsal 17, commences a little nearer to base of caudal 

 than to point of snout, and | of its base is situated in advance 

 of the ventrals ; anterior rays nearly ■' length of head, pos- 

 terior margin of fin slightly concave. Pectorals I length of 

 head. Ventrals over | length of head, inserted below last 

 I- of dorsal. Anal, 8 ; about ^ length of dorsal and ^ height. 

 Caudal forked, upper lobe longest and about \\^ length of 

 head. Lat. L. 70, nearly straight ; lat. tr. j''.^. 



Colour (of preserved specimen), silvery, darker above. 



(This description is of the Natal specimen). 



Family 3. CHANID/E. 



Premaxillaries joined to anterior edge of maxillaries. No 

 teeth. Branchiostegels, 4 ; pseudobranchise well developed. 

 An accessory branchial organ. Lateral line well developed. 

 Eye with adipose eyelid. Abdomen broad, fiat. 



CHANOS, Lacep. 



Lacepede. Hist. Nat. Poiss. v. 395 (1803). 

 Lutodeira {\\\\h\) Ruppel, Neue Wirbelthiere Abvssinia, 18, 

 (1835)- 



l^ 





Clia Ill's Siilmoiicii.s (Altt-r Dav). 



Ptycholepis. (iray, Dieffenbach's Travels in New Zealand, 

 II, 218 (1842?). 



The only genus in this family. 



Chanos salmoneus, Forst, 



Day, Fishes of India, p. 651 (see synonymy) Gilchrist & 

 Thompson, Ann. S. Afr. Mus. VL p. 271 (Natal). 



Depth of body, 3I- times in total length excluding caudal ; 

 length of liead, 4- times. Snout, j.; diameter of eye, which is. 

 i^ times in interorbital width and 3,';, times in length of head. 

 Eyes, subcutaneous ; upper surface of head flat ; upper jaw 

 overhangs lower, maxillary reaches almost to vertical of 

 anterior margin of eye ; opercle nearly twice as high as broad. 



