106 TELEOSTEI: ACANTHOPTERI. — XX. 



Head 4f ; depth 6. D. XVIII - 1 7 - IX. A. II - 1 8 - VIH. L. 2^ 

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

 spotted.) 



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 3|- ; 

 depth 4. D. XXI -1,13 -VII. A. 11-13- VH. L. 4 feet. Atr 

 lantic, abundant N. to Cape Cod. (iJu.) 



127. ALB AC OR A 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 in body. 



(Albacora.) 



267. A. thynnus (L.). Great Tunnt. Albacoke. Very ro- 

 bust. Park blue, dusky below with obscure paler spots. Head 3| ; 

 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. (6vi/vos, tunny.) (^Eu.) 



128. GYMNOSARDA GiU. (Euthynnus Liitken.) 

 (yvfivos, 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.) (weXa/iur, 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 J ; depth 4 J. 

 D. XV-12-VIIL A. 12-VIL L. 2^ feet. Warm seas, rarely 

 N. (jBu.) (From alletleratu, the Sicilian name.) 



129. AUXIS Cuvier. (av^U, a young tunny.) 



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

 somewhat mottled with darker. Head 4 ; depth 4^. D. X- 12- 

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

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



130. SCOMBER (Artedi) Linnteus. (o-Kd/i|3por, Scomber, 

 mackerel.) 

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



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

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



