﻿[67] 
  CATALOGUE 
  OF 
  THE 
  FISHES 
  OF 
  NORTH 
  AMERICA. 
  355 
  

  

  Family 
  LXXXL— 
  ELAOATID^. 
  (71) 
  

  

  230.— 
  ELACATE 
  Cuvier. 
  (208) 
  

  

  756. 
  Elacate 
  Canada 
  Linnaeus. 
  S. 
  W. 
  O. 
  (061) 
  

  

  Family 
  LXXXIL— 
  XIPHIID^E. 
  (72) 
  

  

  231.— 
  XIPHIAS 
  Linnaeus. 
  (209) 
  

  

  757. 
  Xiphias 
  gladius 
  Linnseus. 
  O. 
  N. 
  S. 
  W. 
  C. 
  (662) 
  

  

  232.— 
  TETRAPTURUS 
  Rafinesque. 
  (210) 
  

  

  758. 
  Tetrapturus 
  albidus 
  Poey. 
  W. 
  S. 
  (663) 
  

  

  233.— 
  ISTIOPHORUS 
  Lacepede. 
  (211) 
  

  

  759. 
  Iatiophorus 
  americanus 
  1 
  Cuv. 
  &. 
  Val. 
  (665) 
  

  

  Family 
  LXXXIIL— 
  TRICHIUBLTL3E. 
  (73) 
  

  

  234.— 
  TRICHIURTJS 
  Linnaeus. 
  (212) 
  

  

  760. 
  Trichiurua 
  lepturus 
  Linnseus. 
  O. 
  S 
  W. 
  P. 
  (666) 
  

  

  235.— 
  BENTHODESMUS 
  Goode 
  & 
  Bean. 
  (212 
  6.) 
  

  

  761. 
  Beiithodesrnus 
  elongattis 
  Clarke. 
  B. 
  (6666.) 
  

  

  236.— 
  LEPIDOPUS 
  Gouan. 
  

  

  762. 
  Lepidopus 
  caudatus 
  Euphrasen. 
  O. 
  P. 
  

  

  1 
  The 
  genuine 
  Tstiophorus 
  gladius 
  is 
  an 
  East 
  Indian 
  species, 
  not 
  known 
  from 
  our 
  

   «oasts. 
  The 
  American 
  species 
  is 
  : 
  

  

  IsHophorus 
  americanus 
  C 
  iiv. 
  & 
  Val. 
  Sail-fish 
  ; 
  Spike-fish. 
  Bluish-biack, 
  paler 
  below 
  ; 
  

   dorsal 
  dusky-bluish 
  ; 
  its 
  membranes 
  with 
  many 
  nearly 
  round 
  black 
  spots, 
  from 
  £to 
  J 
  

   diameter 
  of 
  orbit. 
  Snout, 
  from 
  eye, 
  2+ 
  times 
  length 
  of 
  rest 
  of 
  head. 
  Lower 
  jaw 
  2-J- 
  

   in 
  head. 
  Front 
  of 
  eye 
  nearly 
  midway 
  between 
  tip 
  of 
  lower 
  jaw 
  and 
  edge 
  of 
  opercle. 
  

   Interorbital 
  space 
  broad, 
  flattish, 
  If 
  in 
  postorbital 
  part 
  of 
  head. 
  Maxillary 
  reaching 
  

   to 
  slightly 
  beyond 
  eye, 
  which 
  is 
  3£ 
  in 
  postorbital 
  part 
  of 
  head 
  and 
  10 
  in 
  suout. 
  

   Sword 
  narrow, 
  regularly 
  tapering, 
  depressed, 
  its 
  upper 
  and 
  lower 
  surfaces 
  both 
  

   rounded, 
  its 
  edges 
  blunt 
  aud 
  rougher 
  than 
  its 
  upper 
  side. 
  For 
  its 
  eutire 
  length 
  it 
  is 
  

   nearly 
  twice 
  as 
  broad 
  as 
  deep. 
  Breadth 
  of 
  snout 
  at 
  the 
  middle 
  point 
  betweeu 
  its 
  

   tip 
  and 
  the 
  eye 
  contained 
  25 
  times 
  in 
  its 
  length 
  from 
  the 
  eye. 
  Longest 
  dorsal 
  spine 
  

   § 
  total 
  length 
  of 
  head. 
  Ventrals 
  lf 
  ; 
  in 
  head. 
  Pectorals 
  3f. 
  Caudal 
  lobes 
  1$. 
  D. 
  

   XLI-7; 
  A. 
  9-7. 
  Head 
  2f 
  (3£ 
  in 
  length 
  with 
  caudal) 
  ; 
  depth 
  about 
  6. 
  Length 
  of 
  speci- 
  

   men 
  described 
  (Key 
  West) 
  6 
  feet. 
  

  

  West 
  Indies 
  and 
  warmer 
  parts 
  of 
  the 
  Atlantic, 
  north 
  to 
  Cape 
  Cod 
  and 
  France. 
  Dif- 
  

   fering 
  from 
  the 
  East 
  Indian 
  i". 
  gladius 
  in 
  the 
  longer 
  aud 
  slenderer 
  sword 
  and 
  in 
  the 
  

   shorter 
  dorsal 
  fin. 
  

  

  (? 
  Mdkaira 
  nigricans 
  Lacepede, 
  Hist. 
  Nat. 
  Poiss. 
  IV, 
  668, 
  1803. 
  Mistiophorus 
  americanus 
  

   Cuv. 
  & 
  Val., 
  VIII, 
  303, 
  1831 
  ; 
  ? 
  Hisiiophorus 
  gracilirostris 
  C. 
  & 
  V., 
  VIII, 
  308 
  ; 
  1 
  Histi- 
  

   4>phorm 
  ancipitirostris 
  Cuv. 
  & 
  Val., 
  VIII, 
  309. 
  I 
  here 
  restore 
  the 
  original 
  orthography 
  

   of 
  the 
  name 
  Istiophoms.) 
  

  

  2 
  Lepidopus 
  Gouan. 
  

  

  (Gouan, 
  Hist. 
  Poiss. 
  1770, 
  185 
  ; 
  type 
  Lepidopus 
  gouani 
  Bl. 
  & 
  Schu. 
  = 
  Trichiurus 
  cau- 
  

   datus 
  Euphrasen.) 
  

  

  This 
  genus 
  differs 
  from 
  Trichiurus 
  chiefly 
  in 
  the 
  less 
  elongate 
  form 
  of 
  the 
  tail, 
  which 
  

  

  