﻿[59] 
  CATALOGUE 
  OF 
  THE 
  FISHES 
  OF 
  NORTH 
  AMERICA. 
  847 
  

  

  Order 
  V.— 
  SYNENTOGNATHI. 
  (Q) 
  

   Family 
  LXVIII.— 
  BELONIDiE. 
  1 
  (57 
  pt) 
  

  

  194.— 
  TYLOSURUS 
  =Cocco. 
  (161) 
  

  

  654. 
  Tylosurus 
  hians 
  Cuv. 
  & 
  Val. 
  W. 
  (696) 
  

  

  655. 
  Tylosurus 
  fodiator 
  3 
  Jordan 
  & 
  Gilbert. 
  P. 
  

  

  656. 
  Tylosurus 
  crassus 
  4 
  Poey. 
  W. 
  (600 
  6.) 
  

  

  657. 
  Tylosurus 
  caribbaeus 
  Le 
  Sueur. 
  W. 
  (597) 
  

  

  658. 
  Tylosurus 
  notatus 
  Poey. 
  W. 
  (598) 
  

  

  659. 
  Tylosurus 
  sagitta 
  5 
  Jordan 
  & 
  Gilbert. 
  W. 
  

  

  660. 
  Tylosurus 
  marlnus 
  Block 
  & 
  Schneider. 
  N. 
  S. 
  (599) 
  

  

  661. 
  Tylosurus 
  exilis 
  Girard. 
  C. 
  (600) 
  

  

  662. 
  Tylosurus 
  stolzmanni 
  6 
  Steindachner. 
  P. 
  

  

  'According 
  to 
  Dr. 
  Gill 
  the 
  structure 
  of 
  the 
  skeleton 
  in 
  Belone, 
  Tylosurus 
  and 
  Pota- 
  

   morrhaphis 
  differs 
  so 
  much 
  from 
  that 
  of 
  the 
  other 
  Scomberesocidce 
  that 
  these 
  genera 
  

   should 
  be 
  placed 
  in 
  a 
  distinct 
  family, 
  Belonidce. 
  

  

  2 
  The 
  identification 
  of 
  our 
  species 
  of 
  Tylosurus 
  may 
  be 
  aided 
  by 
  the 
  following 
  key. 
  

   a. 
  Body 
  strongly 
  compressed, 
  somewhat 
  band-like, 
  about 
  twice 
  as 
  deep 
  as 
  broad 
  ; 
  

  

  beak 
  slender, 
  the 
  upper 
  jaw 
  strongly 
  arched 
  at 
  base 
  ; 
  dorsal 
  and 
  anal 
  

  

  very 
  long, 
  the 
  posterior 
  rays 
  elevated 
  ; 
  D. 
  24 
  ; 
  A. 
  25 
  Hians. 
  

  

  aa. 
  Body 
  subcylindrical, 
  or 
  not 
  greatly 
  compressed. 
  

  

  o. 
  Dorsal 
  and 
  anal 
  long, 
  each 
  with 
  20 
  or 
  more 
  rays, 
  their 
  posterior 
  rays 
  prolouged 
  

   in 
  the 
  young, 
  short 
  in 
  the 
  adult; 
  scales 
  small; 
  beak 
  strong, 
  with 
  

   large 
  teeth 
  ; 
  lateral 
  line 
  passing 
  into 
  a 
  dark-colored 
  keel 
  on 
  tail, 
  no 
  

   bluish 
  lateral 
  band 
  ; 
  size 
  large. 
  

   c. 
  Beak 
  very 
  strong, 
  not 
  twice 
  as 
  long 
  as 
  rest 
  of 
  head 
  ; 
  body 
  comparatively 
  

   stout 
  ; 
  depth 
  about 
  14. 
  

  

  (1. 
  Dorsal 
  rays 
  about 
  19 
  ; 
  anal 
  17. 
  Fodiator. 
  

  

  dd. 
  Dorsal 
  rays 
  about 
  23. 
  A. 
  23 
  Crassus. 
  

  

  ec. 
  Beak 
  twice 
  or 
  more 
  length 
  of 
  rest 
  of 
  head; 
  body 
  comparatively 
  slender; 
  

  

  depth 
  about 
  18, 
  D. 
  about 
  25, 
  A. 
  about 
  24 
  CARiBBiEUS. 
  

  

  bb. 
  Dorsal 
  and 
  anal 
  short, 
  each 
  with 
  less 
  than 
  20 
  rays; 
  the 
  last 
  rays 
  not 
  prolonged; 
  

  

  beak 
  long 
  and 
  slender 
  ; 
  sides 
  with 
  a 
  bluish 
  lateral 
  band 
  ; 
  size 
  small. 
  

  

  e. 
  Caudal 
  j>eduncle 
  posteriorly 
  compressed, 
  the 
  lateral 
  line 
  not 
  dark 
  and 
  not 
  

  

  forming 
  a 
  keel. 
  

  

  /. 
  Body 
  very 
  broad, 
  robust; 
  dorsal 
  very 
  short, 
  its 
  lobe 
  orange-red 
  in 
  life; 
  

  

  maxillary 
  hidden 
  by 
  preorbital. 
  D. 
  13 
  ; 
  A. 
  14 
  Notatus. 
  

  

  ff. 
  Body 
  very 
  slender, 
  subterete; 
  dorsal 
  moderate, 
  not 
  red 
  ; 
  maxillary 
  not 
  

  

  hidden 
  by 
  preorbital. 
  Eye 
  small. 
  D. 
  14, 
  A. 
  16 
  Sagitta. 
  

  

  e. 
  Caudal 
  peduncle 
  posteriorly 
  depressed; 
  lateral 
  line 
  forming 
  a 
  slight 
  keel 
  

   which 
  is 
  blackish 
  in 
  color; 
  eye 
  rather 
  large; 
  D. 
  15; 
  A. 
  18..Marinus. 
  

   ee. 
  Caudal 
  peduncle 
  depressed, 
  with" 
  a 
  strong 
  keel; 
  maxillary 
  not 
  entirely 
  

   hiddeu. 
  D. 
  15 
  or 
  16 
  ; 
  A. 
  17. 
  

  

  g. 
  Pectorals 
  plain 
  olivaceous 
  ; 
  dorsal 
  and 
  anal 
  lobe 
  pale 
  Exilis. 
  

  

  gg. 
  Pectorals 
  abruptly 
  black 
  at 
  tip 
  ; 
  dorsal 
  and 
  anal 
  lobes 
  blackish 
  ... 
  

  

  Stolzmanni. 
  

  

  3 
  Tylosurus 
  fodiator 
  Jordan 
  & 
  Gilbert, 
  Proc. 
  U. 
  S. 
  Nat. 
  Mus., 
  18^1, 
  459. 
  Mazatlan. 
  

  

  4 
  Belone 
  crassa 
  Poey, 
  Memoriae 
  Cuba, 
  II, 
  1860, 
  291 
  = 
  Tylosurus 
  gladius 
  Bean, 
  Proc. 
  

   U. 
  S. 
  Nat. 
  Mus., 
  1882, 
  430= 
  Tylosurus 
  crassus 
  Jordan, 
  Proc. 
  U. 
  S. 
  Nat. 
  Mus., 
  1884, 
  

   112 
  (not 
  Belone 
  jonesi 
  Goode). 
  Pensacola 
  southward. 
  

  

  B 
  Tylosurus 
  sagitta 
  Jordan 
  & 
  Gilbert, 
  Proc. 
  U. 
  S. 
  Nat. 
  Mus., 
  1884, 
  25. 
  Key 
  West. 
  

  

  H 
  Belone 
  stolzmanni 
  Steindachner, 
  Ichthyol. 
  Beitriige, 
  VII, 
  21, 
  1878 
  = 
  Tylosurus 
  

   sierrxta 
  Jordan 
  & 
  Gilbert, 
  Proc. 
  U. 
  S. 
  Nat. 
  Mus., 
  1881, 
  458. 
  Gulf 
  of 
  California 
  to 
  

   Peru. 
  

  

  