100 TELEOSTEI: ACANTHOPTERI. — XX. 



Head 4f; depths. D. XVIII - 1 7 - IX. A. II-18-VIII. L. 1\ 



feet. Tropical America, N. in summer, a favorite food fish. (Lat., 

 Bpotted.) 



126. SARDA Cuvier. (Lat. name, from Sardinia, where it 



abounds.) 



266. S. sarda (Bloch.) Bonito. Steel-blue, with several black- 

 ish streaks obliquely downward and forward from back. Head 34; 

 depth 4£. D. XXI -1,13 -VII. A. 11-13- VII. L.4feet. At- 

 lantic, abundant X. to Cape Cod. (Eu.) 



127. ALBACORA Jordan (gen. nov.) 



(Orcynus and Thynnus Cuvier, both names preoccupied.) (Albacore, 

 a word said to be of Moorish origin.) 



a. Pectoral fins short, about reaching 9th dorsal spine, and 6 to 7 iu body. 

 (Albacvra.) 



267. A. thynnus (L.). Great Tunny. Albacore. Very ro- 

 bust. Dark blue, dusky below with obscure paler spots. Head 3f ; 

 depth 4. D. XIV- 1, 12 -VIII. A. II -12 -VIII. L. 12 to 15 

 feet. Atlantic, everywhere, one of the largest of fishes, sometimes 

 reaching 1500 lbs. (Bvvvos, tunny.) (Eu.) 



128. GYMNOSARDA Gill. (Euthynnus Liitken.) 

 (yv/jLvos, naked ; Sarda.) 

 a. Lateral line abruptly curved behind second dorsal. 



268. G. pelamis (L.). Oceanic Bonito. Bluish ; four brown 

 stripes on each side of belly. Head 3^ ; depth 4. D. XV- 12- 

 VIII. A. 12 -VII. Atlantic, scarce, W. (Eu.) (rreXa^vs, tunny.) 

 aa. Lateral line without abrupt curve. 



269. G. alletterata (Rafinesque). Little Bonito. Bluish; no 

 stripes on lower parts ; several oblique wavy dark streaks above 

 lateral line, about 5 blackish spots below P. Head 3| ; depth 4j. 

 D. XV - 1 2 - VIII. A. 1 2 - VII. L. 2£ feet. Warm seas, rarely 

 X. (Eu.) (From alletteratu, the Sicilian name.) 



129. AUXIS Cuvier. (av£is, a young tunny.) 



270. A. thazard (Lacepede). Frigate Mackerel. Blue, 

 somewhat mottled with darker. Head 4 ; depth 4^. D. X - 1 2 - 

 VIII. A. 13 -VII. L. 18. Warm seas, occasional schools on 

 our coast. (Eu.) (From tassard, the French name.) 



130. SCOMBER (Artedi) Linnaeus. (o-KOfxfipos, Scomber, 



mackerel.) 

 a. Air bladder none; top of head without translucent area. (Scomber.) 



271. S. scombrus L. Common Mackerel. Dark blue 

 above, silvery below, the lcwer parts unmarked; eye moderate; 



