640 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



reaches about % in eye, length 1% in head from snout tip ; teeth on 

 vomer, palatines, pterygoids and tongue; interorbital low. Gill 

 rakers about 32, somewhat longer than gill filaments, shorter than 

 half of eye. 



Scales 38 to 41 in medial lateral series; 10 or 11 transversely; firm, 

 smooth, border rounded and irregularly crenulated. About 16 pre- 

 dorsal bony scutes (shown by Regan to be ends of supraneural bones 

 projecting) ; ventral scutes 19 + 10. 



D. in, 12 or 13, first branched ray ll^ in total head length; A. in, 

 14 to 16, first branched ray 2^/^; caudal 3% in rest of body, well 

 forked ; least depth of caudal peduncle 2 in head ; pectoral 1^4 5 ven- 

 tral 1%- 



Yellowish. Head, abdomen, and median lateral band silvery. 

 Two rows of black dots along back. Black dots on end of snout, top 

 of head and in row along each side of base of anal. Caudal dotted 

 with black, dots more crowded at margin. Length, 90 mm. (Weber 

 and Beaufort.) 



India, Ceylon, Burma, Siam, Pinang, Singapore, Java, Banka, 

 China. 



10 examples. Sebatic Island, Borneo. October 1, 1909. Length, 50-55 mm. 

 Genus POTAMALOSA Ogilby 



Potamalosa Ogilby, Proc. Linn. Soc. New South Wales, vol. 4, pt. 3, 1896, p. 504, 

 1897. (Type, Potamalosa novae-hollandiae (not Valenciennes) Ogilby= 

 Clupea richmondia Macleay.) 



Body oblong, strongly compressed. Eye moderate, adipose lids 

 little developed. Mouth oblique, lower jaw projecting. Maxillary 

 broad. Teeth in jaws, on palatines and tongue, vomer and ptery- 

 goids toothless. Suborbital longer than deep. Gill rakers moder- 

 ate^ rather short, stout, serrulate. Pseudobranchiae rather small. 

 Branchiostegals 8 or 9. 



Scales moderate, adherent, free edge rounded, entire. Bases of 

 caudal and paired fins scaly. Elongate scale in ventral axil. Dorsal 

 scutes prominent, not so strong as those of abdomen, which begin 

 on front of throat. Vertebrae 46. Dorsal fin inserted well before 

 middle of body. Anal rays 18 or less. Caudal forked. Pectorals 

 small, pointed, rays 16 or 17. Ventral rays 8, fin inserted below 

 front fourth of dorsal. 



POTAMALOSA RICHMONDIA (Macleay) 



Clupea richmondia Macleay, Proc. Linn. Soc. New South Wales, vol. 4, pt. 3, 

 p. 380, 1880 (type locality: Kichmond River, New South Wales) ; vol. 6, p. 

 259, 1881 (reference).— Ogilby, Cat. Fishes New South Wales, p. 56, 1886 

 (compiled). 



Clupea richmondi Kent, Great Barrier Reef, p. 370, 1893 (Queensland). 



