﻿[69] 
  

  

  CATALOGUE 
  OP 
  THE 
  FISHES 
  OF 
  NORTH 
  AMERICA. 
  857 
  

  

  241.-SARDA 
  Cuvier. 
  (216) 
  

  

  771. 
  Sarda 
  sarda 
  Bloch. 
  Eu. 
  N. 
  (674) 
  

  

  772. 
  Sarda 
  chilensis 
  Cuv. 
  & 
  Val. 
  C. 
  P. 
  (675) 
  

  

  242.— 
  ORCYNUS 
  Cuvier. 
  (217) 
  

  

  773. 
  Orcynua 
  alalonga 
  Gruelin. 
  Eu. 
  S. 
  C. 
  O. 
  (676) 
  

  

  774. 
  Orcynus 
  thynnus 
  Linnseus. 
  Eu. 
  S. 
  N. 
  O. 
  (677) 
  

  

  243.— 
  EUTHYNNUS 
  Lutken. 
  (218) 
  

  

  775. 
  Euthynnus 
  alliteratus 
  Rafinesque. 
  S. 
  W. 
  Eu. 
  (678) 
  

  

  776. 
  Euthynnus 
  pelamys 
  Linnaeus. 
  Eu. 
  S. 
  O. 
  (679) 
  

  

  Family 
  LXXXV.— 
  CARANGID^. 
  1 
  (75) 
  

  

  244.— 
  DECAPTERUS 
  Bleeker. 
  (220) 
  

  

  777. 
  Decapterus 
  punctatus 
  Agassiz. 
  S. 
  W. 
  (682) 
  

  

  1 
  The 
  following 
  analysis 
  of 
  genera 
  of 
  Carangidce 
  may 
  be 
  substituted 
  for 
  that 
  given 
  

   in 
  the 
  synopsis 
  : 
  

   a. 
  Premaxillaries 
  protractile. 
  

  

  b. 
  Pectoral 
  fins 
  long, 
  falcate 
  ; 
  anal 
  similar 
  to 
  soft 
  dorsal, 
  its 
  base 
  longer 
  than 
  ab- 
  

   domen 
  ; 
  maxillary 
  with 
  a 
  supplemental 
  bone. 
  {Carangince.) 
  

   c. 
  Dorsal 
  outline 
  more 
  strongly 
  curved 
  than 
  ventral 
  outline. 
  

   d. 
  Dorsal 
  and 
  anal 
  each 
  with 
  a 
  single 
  detached 
  finlet 
  ; 
  body 
  slender 
  . 
  Decapterus. 
  

   dd. 
  Dorsal 
  and 
  anal 
  without 
  unlets. 
  

  

  e. 
  Lateral 
  line 
  with 
  well-developed 
  scutes 
  for 
  its 
  entire 
  length 
  ; 
  body 
  elon- 
  

   gate 
  Trachurus. 
  

  

  ee. 
  Lateral 
  line 
  with 
  scutes 
  on 
  its 
  straight 
  posterior 
  portion 
  only 
  (these 
  some- 
  

   times 
  very 
  few 
  and 
  small, 
  especially 
  in 
  those 
  species 
  with 
  

   the 
  body 
  much 
  compressed). 
  

   /. 
  Shoulder 
  girdle 
  with 
  a 
  deep 
  cross-furrow 
  at 
  its 
  junction 
  with 
  the 
  

   isthmus, 
  above 
  which 
  is 
  a 
  fleshy 
  projection; 
  body 
  elon- 
  

   gate 
  Trachurops. 
  

  

  ff. 
  Shoulder 
  girdle 
  normal 
  ; 
  its 
  surface 
  even 
  ; 
  body 
  deeper. 
  

  

  g. 
  Body 
  oblong 
  or 
  more 
  or 
  less 
  elevated, 
  not 
  as 
  below 
  Caranx. 
  

  

  gg. 
  Body 
  broad-ovate, 
  very 
  strongly 
  compressed, 
  its 
  outlines 
  everywhere 
  

   trenchant, 
  the 
  anterior 
  profile 
  nearly 
  vertical 
  ; 
  scutes 
  al- 
  

   most 
  obsolete 
  Vomer. 
  

  

  eee. 
  Lateral 
  line 
  without 
  any 
  scutes 
  ; 
  body 
  short 
  and 
  elevated, 
  strongly 
  com- 
  

   pressed 
  Selene. 
  

  

  cc. 
  Dorsal 
  outline 
  less 
  strongly 
  curved 
  than 
  ventral; 
  body 
  much 
  compressed, 
  its 
  

   outlines 
  everywhere 
  trenchant 
  ; 
  armature 
  of 
  lateral 
  line 
  obsolete 
  or 
  nearly 
  so. 
  

  

  Cbloroscombrus. 
  

   bb. 
  Pectoral 
  fin 
  short, 
  not 
  falcate. 
  

  

  h. 
  Maxillary 
  without 
  supplemental 
  bone 
  ; 
  anal 
  fin 
  similar 
  to 
  soft 
  dorsal, 
  

   its 
  base 
  much 
  longer 
  than 
  abdomen; 
  tail 
  unarmed. 
  

   (Traehynotince.) 
  

  

  d. 
  Forehead 
  convex 
  ; 
  teeth 
  small 
  or 
  deciduous 
  Trachynotus. 
  

  

  hh. 
  Maxillary 
  with 
  a 
  distinct 
  supplemental 
  bone 
  ; 
  anal 
  fin 
  shorter 
  than 
  

   soft 
  dorsal, 
  its 
  base 
  not 
  longer 
  than 
  abdomen. 
  (Seriolince.) 
  

   i. 
  Dorsal 
  spines 
  low 
  and 
  weak 
  ; 
  pectoral 
  fins 
  short. 
  

   j. 
  Dorsal 
  and 
  anal 
  fins 
  without 
  finlets. 
  

  

  I: 
  Membrane 
  of 
  dorsal 
  spines 
  disappearing 
  with 
  age 
  . 
  Naucrates. 
  

  

  kk. 
  Membrane 
  of 
  dorsal 
  spines 
  persistent 
  Seriola. 
  

  

  jj. 
  Dorsal 
  and 
  anal 
  fins 
  each 
  with 
  a 
  detached 
  two-rayed 
  finlet. 
  

  

  Elagatis. 
  

  

  ii. 
  Dorsal 
  spines 
  strong, 
  ending 
  in 
  very 
  long 
  filaments 
  ; 
  pectoral 
  fins 
  

  

  elongate 
  Nematistius. 
  

  

  