98 



BULLETIN 180, UNITED STATES NATIONAL MUSEUM 



snout blackish ; margin of scales on upper sides brownish ; dorsal fin rays 

 VII, I, 9 or 10; anal III, 10 or 11; pectoral 13; gill rakers 7 or 8+1 + 22 

 or 23; scales 4 or 5+28 or 29+6 (see table 9). 



Ambassis laf a Jordan and Seale 

 16. A narrow silvery band along midaxis, distinct posteriorly with faint shad- 

 ing of brown ; tip of spinous dorsal blackish ; tip of lower jaw blackish ; 

 dorsal fin rays VII, I, 9; anal III, 10, pectoral 13; gill rakers 8+1+21; 

 scales 3+28 or 29-f-5 Ambassis vaivasensis Jordan and Seale 



Genus AMBASSIS Cuvier and Valenciennes 



Ambassis (Commerson) Cuvier and Valenciennes, Histoire naturelle des pois- 

 sons, vol. 2, p. 176, 1828. [Type, Centropomus ambassis Lacep^de (A. com- 

 mersoni Cuvier and Valenciennes=iS'c'fae??a safgha Forsk&l) .] 



AMBASSIS LAFA Jordan and Seale 



Ambassis laf a Jordan and Seale. Bull. U. S. Bur. Fish., vol. 25 (1905), p. 253, 

 fig. 46, 1906. 



115007, Tutuila Island, stream at village of Pago Pago, June 2, 1939, 7 specimens. 



51818 (type and 32 paratypes, of Ambassis laf a Jordan and Seale), Vaisigano 

 River, Apia, Samoa, Jordan and Kellogg. 



AMBASSIS VAIVASENSIS Jordan and Seale 



Ambassis vaivasensis Jordan and Seale, Bull. U. S. Bur. Fish., vol. 25 (1905), p. 

 254, fig. 47, 1906. 



51819 (type and 20 paratypes of Ambassis vaivasensis Jordan and Seale), 

 Vaivase River, Apia, Samoa, Jordan and Kellogg. 



Table 9. — Counts made on species of Ambassis from the Samoan Islands 



