106 TELEOSTEI : ACANTHOPTERI. — XX. 
Head 42; depth 5. D. XVII-17-IX. A. 1-18-VIIL L. 23 
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 332; 
depth 41. D. XXI-1,13-VII. A.II-13-VII. L.4 feet. At- 
lantic, abundant N. to Cape Cod. (£u.) 
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 in body. 
( Albacora.) 
267. A.thynnus (L.). Great Tunny. ALBACORE. Very ro- 
bust. Dark blue, dusky below with obscure paler spots. Head 332; 
depth 4. D. XIV-1,12-VIII. A. [1-12-VIII. L. 12 to 15 
feet. Atlantic, everywhere, one of the largest of fishes, sometimes 
reaching 1500 lbs. (@dvvos, tunny.) (£u.) 
128. GYMNOSARDA Gill. (ELuthynnus Liitken.) 
(yupyds, 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 34; depth4. D. XV-12- 
VIII. A.12-VII. Atlantic, scarce, W. (£u.) (medapis, tunny.) 
aa, Lateral line without abrupt curve. 
269. G. alletterata (Rafinesque). Lirrte Bonrro. Bluish; no 
stripes on lower parts; several oblique wavy dark streaks above 
lateral line, about 5 blackish spots below P. Head 33; depth 44. 
D. XV-12-VIII. A. 12-VII. L. 24 feet. Warm seas, rarely 
N. (£u.) (From ailletteratu, the Sicilian name.) 
129. AUXIS Cuvier. (avé&is, a young tunny.) 
270. A. thazard (Lacépéde). Frigate Mackeret. Blue, 
somewhat mottled with darker. Head 4; depth 41. D. X-12- 
VIII <A. 13-VII. L. 18. Warm seas, occasional schools on 
our coast. (Hu.) (From tassard, the French name.) 
130. SCOMBER (Artedi) Linneus. (oxéu8pos, Scomber, 
mackerel.) 
a. Air bladder none; top of head without translucent area. (Scomber.) 
271. S. scombrus L. Common Mackeret. Dark blue 
above, silvery below, the lower parts unmarked; eye moderate ; 
