ICIlTHYOIJiOV. 219 



E. El.ocITlI, C'llV. ft V;il. 



is. v.; I). A; IMS; V. i; k.-^; C. 17. 



Sii])raorl)it;il sorratocl. Chest scaled. Second dorsal spine longest, third ami 

 fourtli serrated anteriorly below. Colour silvery, with a dark blotch over the na])e, 

 and a black mark bi'tween the third and sixth dorsal spines. Vertical zigzag yellow 

 lines during life on the back and sides. Base of pectoral dark behind. 



Akyab. 



E. IlKKVIEOSTKIS, CuV. ct Val. 



B. v.; D. A; P. 18; V. a ; a. ^V; C. 17. 



Siqiraorbital edge serrated. Chest scaleless. Dorsal spines strong and com- 

 pressed, the tliird and fourth strongly serrated over tlieir lower half and quarter 

 rcspectivi'ly. Spinous dorsal with a black blotch from the tliird to tlio seventh spines. 

 A brown blotch on the nape. IV'ctoral black at its base posteriorly. A narrow 

 yellow band from above the eye to the centre of the tail. 



E. IN'SIDIATEIX, Bloch. 



B. v.; D. -A— rV; P. 18; V. i ; A. vV ; C. 17. 



Supraorbital edge finely serrated. Chest scaled. Dorsal spines weak. The 

 first minute, the second, third, and fourth subequal: Colour, back bluish silver, 

 belly whitish silver, the whole slightly glossed with gold. A dark mark in tlie 

 axilla, and sometimes a black streak from the eye to the throat, wliieh meets its fellow. 

 Three or four horizontal lines of bi'onzy black spots forming vertical bands along tho 

 upper half of tho body. Spinous dorsal tippi>d with black. Ventral wliite. Pectoral 

 yellow. Caudal yellowish, stained at the end witli brown. 



Akyab and coast of Burma, ascending tidal rivers. 



E. Kucoxicus, Ham. Buch. 



Pyn-leh-nga-zyn-zat, or Pyn-leh-nga-hpyu-thek. 

 B. V. ; D. iV ; P. 18 ; V. i ; A. VV ; C. 17. , 



Supraorbital edge sen-ated. The second dorsal spine longest. Scales much (2 or 

 3 times) larger than in E. insidiatrix, but deciduous and often wanting. Colours much 

 as in the last. 



Coast of Burma. This is oftener captured in tidal rivers and estuaries than the 

 last. 



Gazza, IluppeU. 



Resembles Eiiuula, but possesses a pair of upper canine-like teeth. 



G. jtiNCTA, Bloch. 



B. v.; D. -,V; P. 17; V. 1; A. -,V ; C. 19. 



Supraorbital edge serrated. A row of pointed teeth in the prcmaxillaries and 

 a pair of canine-like ones at the symphysis. In the mandible, villiform teeth with 

 an outer row of large conical ones. Colour silvery, with irregular bluish or yellowish 

 lines descending over the back. The axilla black. 



The Andamans. 



To this family, Carangida;, belong the curious fishes known to seamen as pilot- 

 fish {Xai(crates), several of which may be frequently seen in close attendance on 

 sharks when swimming round a vessel. "Why the ' pilot fish ' should thus accompany 

 the shark is not known. 



Fainilij Stromateidae. 



Branchiostegals o to 7. Pseudobranchice. Barbed teeth extend into the oesophagus. 

 The long dorsal tin without spines (or rudimentary ones only). 



