﻿48 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol.98 
  

  

  Genus 
  ATHERINOPSIS 
  Girard 
  

  

  Atherinopsis 
  Giiuvrd, 
  Proc. 
  Acad. 
  Nat. 
  Sci. 
  Philadelphia, 
  vol. 
  7, 
  p. 
  134, 
  1854 
  (geno- 
  

   type: 
  Athei-inopsis 
  calif 
  orniensis 
  Girard). 
  

  

  My 
  generic 
  diagnosis 
  is 
  based 
  on 
  numerous 
  specimens 
  of 
  A. 
  cali- 
  

   f 
  orniensis 
  from 
  California 
  as 
  follows: 
  types, 
  U. 
  S. 
  N. 
  M. 
  Nos. 
  351 
  

   and 
  352 
  ; 
  and 
  the 
  following 
  nontype 
  material 
  : 
  U. 
  S. 
  N. 
  M. 
  Nos. 
  354, 
  

   17015, 
  and 
  24882. 
  

  

  I 
  have 
  examined 
  the 
  holotype 
  of 
  Atherinopsis 
  sonorae 
  Osburn 
  and 
  

   Nichols, 
  U. 
  S. 
  N. 
  M. 
  No. 
  87544, 
  and 
  it 
  belongs 
  in 
  this 
  genus. 
  

  

  Genus 
  ATHERINOPS 
  Steindachner 
  

  

  Figure 
  Id 
  

  

  Atheririops 
  Steindachner, 
  Sltz. 
  Akad. 
  Wiss. 
  Wien, 
  vol, 
  72, 
  p. 
  89 
  (p. 
  61 
  in 
  reprint), 
  

   1875 
  (genotype: 
  Atherinopsis 
  afflnis 
  Ayi'es). 
  

  

  Colpichthys 
  Hubbs, 
  Proc. 
  Acad. 
  Nat. 
  Sci. 
  Philadelphia, 
  vol. 
  69, 
  p. 
  67, 
  1918 
  (geno- 
  

   type: 
  Atherinops 
  regis 
  Jenkins 
  and 
  Evermann). 
  

  

  The 
  generic 
  diagnosis 
  is 
  based 
  on 
  numerous 
  specimens 
  of 
  A. 
  afjinis 
  

   from 
  California 
  : 
  U. 
  S. 
  N. 
  M. 
  Nos. 
  15036, 
  17019, 
  17020, 
  26680, 
  54790, 
  

   73672, 
  83558, 
  121847, 
  and 
  125271. 
  

  

  In 
  addition, 
  U. 
  S. 
  N. 
  M. 
  Nos. 
  67292, 
  119315, 
  and 
  125329 
  are 
  speci- 
  

   mens 
  of 
  A. 
  regis 
  from 
  the 
  Gulf 
  of 
  California. 
  The 
  three 
  types 
  of 
  A. 
  

   regis 
  Jenkins 
  and 
  Evermann, 
  U. 
  S. 
  N. 
  M. 
  No. 
  39632, 
  have 
  been 
  exam- 
  

   ined, 
  and 
  I 
  fail 
  to 
  find 
  any 
  good 
  reason 
  why 
  the 
  genus 
  Colpichthys 
  

   was 
  needed. 
  

  

  Atherinops 
  oregonia, 
  holotype 
  U. 
  S. 
  N. 
  M. 
  No. 
  74762, 
  has 
  been 
  

   examined 
  and 
  belongs 
  in 
  this 
  genus, 
  along 
  with 
  the 
  following 
  species 
  

   or 
  subspecies 
  : 
  affi/nis^ 
  Uttoralis, 
  magdalenae, 
  insularum^ 
  cedroscensis, 
  

   and 
  guadcdupae. 
  

  

  EXPLANATION 
  OF 
  PLATES 
  

  

  The 
  plates 
  are 
  reproductions 
  of 
  part 
  of 
  the 
  figures 
  on 
  plates 
  6 
  to 
  10 
  

   of 
  Clementina 
  Borsieri's 
  paper 
  in 
  Annali 
  di 
  Agricoltura 
  for 
  1902, 
  No. 
  

   233, 
  jiublished 
  in 
  1904, 
  on 
  the 
  species 
  of 
  Atherina 
  of 
  Europe. 
  

  

  Plate 
  1 
  

  

  1, 
  Atherina 
  hcpsetus 
  Linnaeus: 
  «, 
  Four 
  of 
  the 
  haemal 
  arches; 
  6, 
  premaxillaries 
  

  

  and 
  maxillaries 
  ; 
  c, 
  dorsal 
  view 
  of 
  head. 
  

  

  2, 
  Hepsetia 
  ioyeri 
  (Risso) 
  : 
  a, 
  Premaxillaries 
  and 
  maxillaries; 
  b, 
  four 
  of 
  the 
  

  

  haemal 
  arches. 
  

  

  Plate 
  2 
  

  

  1, 
  Atherina 
  presbyter 
  Cuvier 
  and 
  Valenciennes 
  : 
  a, 
  Five 
  of 
  the 
  haemal 
  arches 
  ; 
  

  

  6, 
  premaxillaries 
  and 
  maxillaries. 
  

  

  2, 
  Hepsetia 
  mochon 
  (Cuvier 
  and 
  Valenciennes) 
  : 
  a, 
  Four 
  of 
  the 
  haemal 
  arches; 
  6, 
  

  

  premaxillaries 
  and 
  maxillaries. 
  

  

  3, 
  Hepsetia 
  rissoi 
  (Cuvier 
  and 
  Valenciennes) 
  : 
  a, 
  Premaxillaries 
  and 
  maxillaries 
  ; 
  

  

  6, 
  four 
  of 
  the 
  haemal 
  arches. 
  

  

  U. 
  S, 
  GOVERNMENT 
  PRINTING 
  OFFICE: 
  lS4a 
  

  

  