156 TELEOSTEI. ACANTHOPTEHYGII. 



length of the arch equals that of the straight portion, the height of 

 the more developed plates y ] - 4 of the body. Colour greenish along 

 the back, becoming dull silvery white below ; an indistinct oper- 

 cular spob present. Soft dorsal and anal stained with black in 

 their highest portions. 



Hob. Seas of India to the Malay Archipelago. A specimen in 

 the Madras Museum is 28 inches long. 



916. (9.) Caranx ferdau. 



Scomber ferdau, Forsk. Descr. Anim. p. 55, no. 71. 



Caranx ferdau, Day, Fish. India, p. 217, Suppl. p. 789 (see synon.). 



D. 7-8 | 1/24-28. P. 21. A. 2 ] 1/22. C. 17. Sc. 1. 25. 



Length of head 4, height of body 3f to 4| in the total length. 

 Eyes with a narrow posterior adipose lid, diameter from4| to 4| 

 in length of head, 1| to 2 diameters from end of snout. Dorsal 

 and abdominal profiles about equally convex. Jaws of about equal 

 length ; the maxilla reaches to below the middle of the orbit. 

 Greatest height of preorbital equals | of a diameter of the orbit. 

 Teeth villiform in both jaws, on vomer and palate ; tongue sca- 

 brous. Fins spines of first dorsal increase in length to the third, 

 which is f of height of body ; anterior portion of second dorsal 

 f height of body. Pectoral falciform and -fc of total length. 

 Anterior portion of anal commences below seventh dorsal ray, and is 

 as high as first portion of that fin. Caudal deeply forked. Scales 

 present on cheeks, upper portion of opercle, behind the eyes, 

 also on body, but not on chest in front of ventral fins. A scaly 

 sheath along bases of soft dorsal and anal fins. Lateral line 140 

 scales, in its first half makes a long low curve to below the 13th 

 dorsal ray, the height of the arch being equal to i or -^ of its length. 

 The keeled scales developed below the end of the second dorsal fin. 

 Colour greenish along the back, the young having five transverse 

 oval spots or bars on the side of the body. No opercular spot. 



Hab. Eed Sea, east coast of Africa, seas of India to the Malay 

 Archipelago. 



917. (10.) Caranx crumenophthalnms. 



Scomber crumenophthalmus, Block, Ich. t. 343. 

 Caranx crumenophthalnius, Day, Fish. India, p. 217, pi. xlix, fig. 1 

 (see synon.). 



D. 8 | 1/24-26. P. 21. A. 2 | 1/21-22. C. 21. Sc. 1. 27-32 (36). 

 Length of head 3 1 to 4, height of body 4| to 4| in the total 

 length. Eyes with a broad posterior and an anterior adipose lid, 

 diameter 3 to 3| in length of head, 1 diam. from end of snout, 

 and | apart. Dorsal and abdominal profiles about equally convex. 

 Lower jaw the longer ; the maxilla reaches to below the first third 

 of the eye. Height of the preorbital scarcely equals the diameter 

 ot the eye. Teetlin single row in both jaws, in a A-shaped band 



