902 Bulletin 47, United States National Museum. 



1288. SERIOLA DORSALIS (Gill). 

 (YELLOW-TAIL.) 



Head 4 ; depth 4. D. V to VII-I, 35 to 39; A. II-I, 21. Body regularly 

 fusiform, somewhat compressed, tapering to the sharp snout and slender 

 caudal peduncle. Maxillary barely reaching front of pupil, 2 in head, 

 mouth not very large. Gill rakers long and strong. Head naked, except 

 on the cheeks ; finsscaleless. Caudal keel moderate ; caudal lobes nearly 

 equal. Spines of moderate development, the free anal spines disappear- 

 ing with age; pectorals shorter than ventrals, which are half length of 

 head ; longest dorsal ray f height of body. Pyloric ccEca very numerous. 

 Bright steel blue above ; sides dull silvery, an irregular yellowish lateral 

 band ; fins dusky yellowish green ; caudal dull yellow ; young with 10 

 indistinct dark bands, twice as wide as their intervals, the second between 

 the second and fifth dorsal spines ; dorsal and anal fins nearly black, the 

 anterior angle of the latter lighter. Length 3 feet. Pacific Coast, from 

 Point Concepcion southward to Mazatlan ; abundant in summer about the 

 Santa Barbara Islands. An excellent food-fish and much sought after by 

 anglers, (dorsalis, pertaining to the back, from the long dorsal.) 

 Halatractus dorsalis, GILL, Proc. Ac. Nat. Sci. Phila., 1863, 84, Cape San Lucas. (Coll. Xantus.) 

 Seriola lalandi, JORDAN & GILBERT, Proc. U. S. Nat. Mus., 1880, 456; not of CUVIER & VALEN- 

 CIENNES. 



Seriola dorsalis, JORDAN & GILBERT, Proc. U. S. Nat. Mus., 1882, 270 and 359; ROSA SMITH, Proc. 

 U. S. Nat. Mus., 1883, 234; JORDAN, Proc. U. S. Nat. Mus., 1884, 123; GOODE, Fishery Indus- 

 tries of U. S., 331, pi. 108, 1884; JORDAN, Catalogue, 72, 1885; JORDAN & GILBERT, Synopsis, 

 444, 1883; in part. 



1289. SERIOLA ZONATA (Mitchill). 



(RUDDER-FISH ; SHARK'S PlLOT.) 



Head 3* ; depth 3. D. VII-I, 38 ; A. II-I, 21. Head longer than deep ; 

 profile descending in a gentle curve; top of head to base of dorsal fin 

 compressed. Mouth small, nearly horizontal ; maxillary reaching to below 

 the middle of orbit. Pectorals small, rounded, as long as eye and snout ; 

 ventrals f length of head. Vent behind middle of body. Bluish above, 

 white below ; sides with about 6 broad black bars, these forming three 

 large blotches on the dorsal and two on the anal ; the bars growing faint 

 or disappearing with age^ an oblique dark band from the spinous dorsal 

 to the eye, the space above this olivaceous ; spinous dorsal black ; ven- 

 trals mostly black. Length 2 to 3 feet. Cape Cod to Cape Hatteras ; the 

 banded young rather common northward, (zonatus, banded.) 

 Scomber zonatus, MITCHILL, Trans. Lit. and Philos. Soc. N. Y., 1815, 427, New York Bay. 

 Seriola zonata, G()NTHER, Cat., n, 465, 1860; JORDAN & GILBERT, Synopsis, 445, 1883. 



Represented south of Cape Hatteras by 



1289a. SERIOLA ZONATA CAROL1NENSIS, Holbrook. 



Very similar to Seriola zonata, but more elongate, and paler in color. 

 Head 3 ; depth 4| ; eye 6fr. D. V to VII-I, 36 or 37 ; A. II-I, 19 to 21. 

 Body subfusiform, more slender, highest at origin of second dorsal, thence 



