FISHES OF THE PHILIPPINE ISLANDS AND ADJACENT SEAS 757 



caudal deeply notched, upper lobe longer or 3 times middle rays; 

 pectoral 1% in head, spine flattened, smooth on basal half, serrate 

 on upper half on both edges, 1% in head. 



Blackish brown above, with metallic sheen on sides, passing to 

 bright silvery below lateral line. Lower and under part of trunk 

 and under side of head whitish. Dorsal blackish, lower half of 

 adipose fin deep red brown by transmitted light, blackish brown as 

 viewed directly. Caudal pale brown, clear posteriorly. Upper side 

 of pectoral dusky, under side and both sides of ventrals white. 

 Length, 340 mm. (Herre.) 



Philippines. Herre says its elongate snout and thick lips render 

 it noticeable when seen among the common catfishes of Laguna de 

 Bay. He also notes great mortality in November 1925 at Manila, 

 due to flagellate protozoans. 



TACHYSURUS MACULATUS (Thunberg) 



Silurus maculaius Thtjnberg, Kon. Vet. Akad. Nya Handl. Stockholm, vol. 

 13, p. 31, pi. 1, fig. 2 (2 figs.), 1792 (type locality: Japan). 



Arius maculatiis Hardexbkrg, Tieubia, vol. 12, livr. 1, p. 116, 1931 (Bagan 

 Si Api Api). 



Tachysurus rnaculatus Fowlee, List Fish. Malaya, p. 50, 1938 (reference). 



Tachysurus sinensis Lac^pede, Hist. Nat. Poiss., vol. 5, pp. 150, 151, pi. 5, 

 fig. 2, 1803 (type locality: Noue=on Chinese painting). — Rutteb, Proc. Acad. 

 Nat Sci. Philadelphia, 1807, p. 57 (Swatow). — Jordan and Evermann, Proc. 

 U. S. Nat. Mus., vol. 25, p. 321, 1902 (Formosa, Suwata). — Jordan and Rich- 

 ardson, Mem. Carnegie Mus., vol. 4, p. 168, 1909 ( copied ) .—Fowler, Proc. 

 Acad. Nat. Sci. Philadelphia, 1929, p. 601 (Hong Kong). 



Arius sinensis Valenciej^nes, Hist. Nat. Poiss., vol. 15, p. 72, 1840 (Touraiue). — 

 Richardson, Ichth. China Japan, p. 284, 1846 (copied). — GtJNTHER, Cat. 

 Fish. Brit. Mus., vol. 5, p. 159, 1864 (copied). — Sauvage and DeThiersant, 

 Ann. Sci. Nat., ser. 6, vol. 1, Zool., p. 7, 1874 (China). 



? Arius arius Vauenctennes, Hist. Nat. Poiss., vol. 15, p. 102, 1840 (type local- 

 ity: Pondicherry). — BLEasKEB, Verh. Batav. Genootsch. (Bengal), vol. 25, 

 p. 56, 1853 (reference). 



Pimelodus tachisurus VALENCiEiffNES, Hist. Nat. Poiss., vol. 15, p. 163, 1840 

 (on Lac^pede). — Richardson, Ichth. China Japan, p. 286, 1846 (China). 



Arius falcarius Richardson, Voy. Sulphur, Ichth., p. 134, pi. 62, figs. 7-9, 

 1844 (type locality: China) ; Ichth. China Japan, p. 284, 1846 (Canton).— 

 GtJNTHEE, Cat. Fishes British Mus., vol. 5, p. 168, fig. (teeth and occiput), 

 18()4 (Formosa, China, Canton, Amoy, type of Arius falcarius) ; Fishes 

 of Zanzibar, p. 114, 1866.^Sauvage and DeThiersant, Ann. Sci. Nat., 

 ser. 6, vol. 1, Zool., p. 7, 1874 ( China ) .—Day, Fishes of India, pt. 3, p. 463, 

 pi. 106, fig. 5, 1877; Fauna British India, Fishes, vol. 1, p. 182, 1889.— 

 ViiNciGUERRA, Ann. Mus. Civ. Stor. Nat. Genova, ser. 2, vol. 9, 1889, p. 

 240, 1890 (Rangoon).— Elera, Cat. Fauna Filip., vol. 1, p. 571, 1895 (Luzon, 

 Laguna de Bay). — Babtlett, Sarawak Gazette, vol. 26, No. 368, p. 182, 

 1896 (Moratabas).— Seale, Philippine Journ. Sci., vol. 9, p. 60, 1914 (Hong 

 Kong). — Wu, Contr. Biol. Lab. Sci. Soc. China, vol. 5, No. 4, p. 50, fig. 

 41, 1929 (Amoy). 



