EXOCGETID^E. XLII. 9 3 



keeled; eye very large, scales minute; D. elevated behind. Green, 

 sides silvery ; young with round dark spots. D. 25. A. 26. Lat. 1. 

 520. L. 40. W. Indies, occasional N. (Lat., gaping.) 



99. SCOMBERESOX Lacepede. (SCOMBER -|- Esox.) 

 a. Jaws produced in a slender beak; the snout longer than rest of head. 



223. S. saurus (Walbaum). SAURY. SKIPPER. Fins small; 

 C. forked. Olive, sides with distinct silvery band. Head 3 ; 

 depth 9. D. 9 -VI. A. 12 -VI. Lat. 1.110. L. 18. Open Atlan- 

 tic, not rare ; in large schools, skipping along the surface. (#w.) 

 (An old name, " lizard-fish.") 



100. HEMIRAMPHUS Cuvier. (^-, half ; pd/i$os, beak.) 



a. Ventrals inserted midway between eye and base C.; A. about as long as 

 D., both with 14 to 16 rays; last ray of D. not produced. 



224. H. unifasciatus Ranzani. HALF-BEAK. Green; lower 

 jaw red ; sides with a silvery band. Head 4^ ; depth 6 to 7^. Lat. 1. 

 54. L. 12. W. Indies, etc. ; the typical form with shortish jaw, 

 from Florida Keys, S. Var. roberti, Cuv. & Val., more slender, 

 with longer lower jaw, longer than rest of head, ranges N. to Cape 

 Cod. (Lat., one-banded.) (From Va., S., occurs H. balao Le 

 Sueur, with V. midway between middle of P. and base of C.) 



101. EULEPTORHAMPHUS Gill. (euXcTrros, very slender; 

 pdfji<pos> beak.) 



225. E. longirostris (Cuvier). Lower jaw much longer than 

 rest of head; no lateral band. Head 6f ; depth 10. D. 22. A. 19. 

 L. 18. Open sea, occasional N. to Cape Cod. (Lat., long- 

 snouted.) 



102. PAREXOCCETUS Bleeker. (napa, near; Exoccetus.') 



226. P. mesogaster (Bloch). Second ray of P. divided ; D. very 

 high. Blue; sides silvery; D. largely black, other fins pale. Head 

 4f; depth 5. D. 12. A. 13. Lat. 1. 38. L. 6. Open sea, N. to 

 R. I. (p*(ros, middle ; yaorf)p, the position of V.) 



103. HALOCYPSELUS Weinland. (5\s, sea; atyfAoff, 



swallow.) 



227. H. evolans (L.). Second ray of P. divided; A. nearly as 

 long as D. ; D. low ; P. dark above, pale below ; other fins pale ; 

 V. white. Head 4 ; depth 5J. D. 13. A. 13. Lat. 1. 42. L. 9. 

 Open sea, N. to Cape Cod. (Lat., flying away.) 



104. EXOCCETUS 1 (Artedi) Linnaeus. (FLYING-FISHES.) 

 (The flying-fishes live in the open sea, swimming in large schools. 



They will " fly " a distance of from a few rods to more than an 



1 For a detailed account of the American Flying-fishes, see Jordan & Meek, Proc. 

 U. S. Nat Mus., 1885, p. 44. 



