FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 759 



tabas). — Weber and Beaufort, Fishes ludo-Australiau Archipelago, vol. 2, 



p. 310, fig. 134 (upper teeth), 1913 (Djainbi and Bagan Api Api, Sumatra; 



Banjermassin and Balikpapan, Borneo). — Vinciguerra, Ann. Mus. Civ. Stor. 



Nat. Genova, ser. 3, vol. 10, p. 607, 1926 (Sarawak). — Hardenberg, Treubia, 



vol. 13, livr. 1, p. 116, 1931 (Bagan Si Api Api). 

 Arius coelatus Bleeker, Versl. Meded. Akad. Wet. Amsterdam, vol. 16, p. 353, 



1864 (Bangkok) ; Nederland. Tijdschr. Dierk., vol. 2, pp. 34, 175, 1865 



(Siam).— Day, Fishes of Malabar, p. 17S, 1865. 

 Tachysurus caelatus Fowler, Journ. Bombay Nat. Hist. Soc, vol. 32, No. 2, 



p. 256, 1927 (Bombay) ; Proe. Acad. Nat. Sci. Philadelphia, vol. 87, p. 100, 



fig. 21, 1935 (Paknam; Bangkok); vol. 89, p. 144, 1937 (Paknam).— 



Suvatti, Index Fish. Siam, p. 62, 1937 (Maenam Cau Phaya ; Maenam 



Bangpakong ; Lang Suam ; Maenam Maeklong ; Sriracha ; Pattani ; 



Songkhla; Maenam Canthaburi). — Fowler, Proe. Acad. Sci. Philadelphia, 



vol. 89, p. 144, 1937 (Paknam); List Fish. Malaya, p. 49 (249), 1938 



(reference). 

 Afius aequiharMs Valenciennes, Hist. Nat. Poiss., vol. 15, p. 68, 1840 (type 



locality: Rangoon; Bengal). — Bleeker, Verb. Batav. Genootsch. (Bengal), 



vol. 25, p. 56, 1853 (reference). 

 Arius granosus Valenciennes, Hist. Nat. Poiss., vol. 15, p. 69, 1840 (type local- 

 ity: Pondicberry). — Bixeker, Verb. Batav. Genootsch. (Bengal), vol. 25, 



p. 56, 1853 (reference). 

 Arius coelatoides Bleeker, Nat. Geneesk. Arch. Nederl.-Indie, vol. 3, pt. 2, p. 



159, 1846 (type locality: Batavia). 

 AjHus microgastropterygius Bleeker, Nat. Geneesk. Arch. Nederl.-Indie, vol. 3, 



pt. 2, p. 160, 1846 (type locality: Batavia). 

 Aj-ius clypeaster Bleeker, Nat. Geneesk. Arch. Nederl.-Indie, vol. 3, pt. 2, p. 161, 



1846 (type locality: Batavia). 

 Ai'ius clypeastroides Bleeker, Nat. Geneesk. Arch. Nederl.-Indie, vol. 3, pt. 2, 



p. 161, 1846 (type locality: Batavia). 

 Arius chondropterygius Bleeker, Nat. Geneesk. Arch. Nederl.-Indie, vol. 3, pt. 2, 



p. 162, 1846 (type locality: Batavia). 

 Arius melanopterygius Bleeker, Verb. Batav. Genootsch. (Madura), vol. 22, 



p. 10, 1849 (type locality: Madura Straits near Kammal and Surabaya). 



Depth 4% to 42/3; head 3%, width I14 to 1%. Snout 2% to 3 in 

 head, eye 4% to 6I/3, 1% to 2% in snout, 2 to 31/2 in interorbital ; 

 mouth width 2% to 2% in head; maxillary barbel reaches % to % 

 in pectoral fin, outer mental to pectoral origin or % in fin and inner 

 mental little shorter; teeth in villiform bands in jaws of about 5 or 

 6 irregular rows and ovate areas of similar teeth on each palatine; 

 front nostril larger, close to snout end in profile and hind one about 

 midway in snout, higher, without barbels; interorbital elevated con- 

 vexly, 2 to 2% in head; sides and upper surface of head as occipital 

 bones, buckler and humeral process rugose striate; broad occipital 

 fontanel narrows behind and extends to base of keeled occipital 

 buckler, base of which li^ its length and bony bridge complete to 

 dorsal. Gill rakers 6 + 8, lanceolate, slender, 1% in gill filaments or 

 2 in eye. 



156861—40 49 



