DOUBLY-SPOTTED GOBY. 



287 



same slender, flexible character as those of the dorsal ; the 

 tail nearly square, with a conspicuous dark spot at the base 

 of the caudal rays. 



The prevailing colour of the head and upper parts of the 

 body is a nutmeg brown, produced by a double series of 

 diagonal lines taking opposite directions ; the under part of 

 the head, body, pectoral and ventral fins, very pale brown, 

 almost white. 



The two spots on each side, and the darker brown colour, 

 distinguish this species from G. minutus which is next to be 

 noticed. 



