92 TELEOSTEI : SYNENTOGNATIII. — XVI. 



b. Body little compressed, its breadth more than ! its (greatest depth. 



'Ivi.o&uuus, 97. 

 bb. Hodv much comprebsed, its lireadtli not half its greatest depth. 



Athlennes, 98.. 

 aa. Jaws with minute teeth or none. 



c. Maxillary gniwn fast to premaxillary ; one or both jaws produced in 

 a long beak. 

 d. D. and A. with finlets; scales small; both jaws produced. (Scom- 



bei-esocincB) JScom»eke8<>x, !)l». 



dd. D. and A without finlets; upper jaw short, the lower nnicli pro- 

 duced, (//emiriimphince. ) 

 e. Pectorals moderate, not longer than head without beak; body 



rather stout; sexes similar IlKMnjAMi'HUS, 100. 



ee. Pectorals very long, twice head without beak; V. short; body 

 very slender, almost band-like . EuLErxoRHAMi'MUS, 101. 

 ec. Maxillary distinct from premaxillary ; both jaws short, (/.'xoccb- 

 lituf.) 



J". Koof of mouth with teeth; body elliptical in cross-section: V. 

 long, inserted behind middle of body; D. high, its base about 

 equal to anal base; snout and lower jaw short. 



PaI{KX()C<KTU8. 102. 

 ff. Roof of mouth nearly toothless; body quadrate in cross-seclion ; 

 P. long, about reaching base of C. 

 ff. Ventrals inserted anteriorly, n\ueh nearer (ip of snout than 

 base of C, small, not used as organs of (light. 



IlAU>CYr.SELUS, 10.3. 



fff/. Ventrals inserted posteriorly, nearer ba.se of C. than snout, 



used as organs of flight. Exociktus, 104. 



97. TYLOSURUS Cocco. (rvXos, callus, /. e. keel ; ovpa, tail.) 



a. Caudal peduncle depressed, with a dermal keel. 



b. D. and A. short, each of 14 to 16 rays; last rays of D. low; jaws slender. 



220. T. marinus (Bloch & Schneider). Gar-fish. Bill-fish. 



Needle-fish. Silver Gar. 

 Scales and bones grreen : green, a silvery lateral hand ; a dark 

 baron opercles; P. pale. Head 2|; depth 5^ in head. Lat. 1. 300. 

 L. 4 feet. Maine to Texas, abundant ; ascending rivers. 

 bb. D. and A. long, each of 21 to 24 rays ; last rays of D. sometimes ele- 

 vated; caudal keel black. 



221. T. acus (Lacepede). IIound-kisii. Acimon. Beak 

 long, twice rest of head. Green, no lateral stripe.. Lat. 1. 380. L. 

 6 feet. West Indies and Mediterranean ; occasional N. to Cape 

 Cod. (ICii.) (I. at., needle.) 



98. ATHLENNES ^ Jordan & Fordice. (d^Xfi'wjf, without niu- 



cosity, an ancient epithet applied to Belone belone.) 



222. A. hians (C'uv. & Val.). Jaws long and very slender, the 

 upper arclied at base, so that the mouth cannot be closed ; tail not 



• Thig name wni inadvertually printed " AthUnius," and may roiuain so ; " AbUi^ 

 net" wait lutendod. 



