38 BULLETIN 10 0, UNITED STATES NATIONAL MUSEUM 



blackish brown to black. In some examples spots very large, even 

 greater than eye or 7 or 8 along extent of lateral line. In others 15 

 or 20 small spots or dots would extend along lateral line. Sometimes 

 spots very numerous, closely crowded, and in others very few, scat- 

 tered and even absent from sections of the back and vertical fins. 

 Paired fins pale brown. 



India, Ceylon, Andamans, East Indies, Siam, Philippines, China, 

 Queensland. Besides living along the shores of these countries it also 

 enters tidal waters and rivers. The young are quite different from 

 the adult, with a bony keel from the eye to the shoulder ending in a 

 spine. When transformed, largely on account of their contrasted 

 color pattern, they are sometimes exported as aquarium fishes. It is 

 also said to be a foul feeder and not much used as a food fish. The 

 variation in our series is very great in the size and number of dark 

 spots on the body. 



9059 and 9060. Abuyog, Leyte Island. July 26, 1909. Length 175 to 223 mm. 

 Twenty-six examples. Anilao River, Passi, Iloilo Province. January 13, 



1909. Length 107 to 152 mm. 

 20131. Bacoor, Luzon market. June 15, 1908. Length 130 mm. 

 One example. Basut River, Luzon. June 15, 1909. Length 26 mm. 

 5360. Bumbum Island. September 25, 1909. Length 115 mm. 

 One example. Below Mindanao River mouth, Cotabato. May 20, 1908. 



Length 28 mm. 

 5847. Cotabato market. May 20, 1908. Length 150 mm. 

 21530. Cotabato, Rio Grande, Mindanao. October 26, 1903. Length 78 mm. 

 6714. Cavite market. December 1, 1908. Length 160 mm. 

 Seven examples. Cebu dock. September 5, 1909. Length 20 to 27 mm. 

 6059. Dumaca River, Luzon. February 25, 1909. Length 110 mm. 

 6542. Iloilo market. March 28, 1908. Length 91 mm. 



21948 to 21950. Iwahig River, Palawan. April 4, 1909. Length 76 to 130 mm. 

 11395 and 11396. Joni River, Tayabas. February 25, 1909. Length 60 to 123 



mm. 

 12317. Maagnas, Lagonoy Gulf, Luzon. June 17, 1909. Length 100 mm. 

 19754 to 19756. Malampaya River, Palawan. December 26, 1908. Length 78 



to 98 mm. 

 6773. Manila Bay. April 7, 1909. Length 255 mm. 



Five examples. Nato River, Luzon. June 17, 1909. Length 17 to 27 mm. 

 9636. Nato River, Luzon. June 18, 1909. Length 15 to 156 mm. Six examples. 

 One example. Nato River, Luzon. June 19, 1909. Length 25 mm. 

 19629, 21995. Near mouth of Tayabas River, Luzon. February 25, 1909. 



Length 57 to 73 mm. 

 5350 and 5351. Nonucan River, Camp Overton, Mindanao. August 6, 1909. 



Length 88 to 95 mm. 

 Two examples. Pangauran River, Port Caltora. December 16, 1908. 



Length 28 to 42 mm. 

 6733. Passi, Panay, Iloilo. January 14, 1909. Seven examples. Length 138 



to 164 mm. 

 19637. Pancol, Palawan Island. December 25, 1908. Length 67 mm. 

 7324, 7326 to 7329. Pucot River, Mariveles. January 29, 1909. Length 70 

 to 94 mm. 



