﻿14 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol.98 
  

  

  axillary 
  scale 
  of 
  pelvics 
  present 
  ; 
  teeth 
  minute 
  in 
  a 
  narrow 
  

   villiform 
  band 
  on 
  both 
  jaws 
  ; 
  mouth 
  small, 
  maxillary 
  not 
  reach- 
  

   ing 
  to 
  opposite 
  orbit 
  ; 
  scale 
  margins 
  entire 
  or 
  crenulate. 
  

   36ffl. 
  Vertebrae 
  usually 
  14 
  to 
  16+22 
  to 
  26; 
  anus 
  in 
  middle 
  third 
  of 
  

   length 
  between 
  anal 
  origin 
  and 
  pelvic 
  bases 
  or 
  closer 
  to 
  i)elvic 
  

   bases 
  than 
  anal 
  origin, 
  at 
  tips 
  of 
  pelvic 
  fin 
  rays 
  or 
  in 
  front 
  of 
  

   their 
  tips; 
  origin 
  or 
  first 
  dorsal 
  notably 
  in 
  advance 
  of 
  a 
  

   vertical 
  line 
  through 
  anal 
  origin 
  ; 
  ixjlvic 
  insertions 
  about 
  

   equidistant 
  between 
  anal 
  origin 
  and 
  upper 
  angle 
  of 
  pectoral 
  

   fin 
  base 
  (Lago 
  de 
  Maracaibo, 
  and 
  Colombia 
  on 
  Atlantic 
  

  

  side) 
  Adenops, 
  new 
  genus 
  

  

  36&. 
  Vertebrae 
  usually 
  18 
  to 
  20+23 
  to 
  25 
  ; 
  anus 
  in 
  front 
  of 
  anal 
  origin 
  

   a 
  distance 
  of 
  about 
  one-fourth 
  the 
  way 
  to 
  pelvic 
  bases, 
  notably 
  

   behind 
  tips 
  of 
  pelvic 
  rays; 
  origin 
  of 
  first 
  dorsal 
  over 
  anal 
  

   origin 
  or 
  a 
  trifle 
  in 
  advance 
  of 
  it; 
  pelvic 
  insertions 
  closer 
  to 
  

   anal 
  origin 
  than 
  upper 
  angle 
  of 
  pectoral 
  fin 
  base 
  (New 
  York 
  

   to 
  Florida 
  and 
  Gulf 
  coast 
  of 
  Mexico 
  and 
  West 
  Indies). 
  

  

  Membras 
  Bonaparte 
  

   356. 
  Dorsal 
  surface 
  of 
  snout 
  without 
  four 
  glandlike 
  depressions 
  ; 
  anus 
  

   more 
  than 
  three 
  times 
  closer 
  to 
  anal 
  origin 
  than 
  to 
  pelvic-fin 
  

   bases, 
  usually 
  just 
  in 
  front 
  of 
  anal-fin 
  origin 
  ; 
  pelvic 
  insertions 
  

   midway 
  between 
  anal 
  origin 
  and 
  some 
  point 
  on 
  pectoral-fin 
  base 
  

   or 
  closer 
  to 
  anal 
  origin. 
  

   37o. 
  Vertebrae 
  13 
  or 
  14+24 
  to 
  27 
  (based 
  on 
  three 
  counts) 
  ; 
  posterior 
  

   margins 
  of 
  scales 
  entire; 
  belly 
  somewhat 
  compressed; 
  as- 
  

   cending 
  premaxillary 
  process 
  a 
  broad-based, 
  short, 
  triangular- 
  

   shaped 
  platelike 
  bony 
  projection 
  ; 
  anal-fin 
  origin 
  much 
  closer 
  

   to 
  middle 
  of 
  length 
  of 
  head 
  than 
  to 
  caudal-fin 
  base; 
  scaly 
  

   sheath 
  present 
  at 
  least 
  anteriorly 
  along 
  base 
  of 
  anal 
  fin. 
  

   38o. 
  Origin 
  of 
  first 
  dorsal 
  fin 
  slightly 
  behind 
  or 
  over 
  anal-fin 
  

   origin 
  ; 
  teeth 
  in 
  a 
  narrow 
  band 
  on 
  jaws 
  in 
  two 
  or 
  three 
  

   rows. 
  

   39o. 
  Anal 
  fin 
  with 
  3 
  to 
  8 
  small 
  scales 
  in 
  a 
  single 
  row 
  along 
  

   anterior 
  base 
  of 
  anal 
  fin 
  ; 
  silvery 
  lateral 
  band 
  con- 
  

   stricted 
  to 
  a 
  line 
  on 
  caudal 
  peduncle 
  and 
  broadening 
  

   again 
  into 
  a 
  triangle 
  at 
  caudal 
  base; 
  scales 
  in 
  a 
  lateral 
  

   series 
  from 
  upper 
  end 
  of 
  gill 
  opening 
  to 
  hypural 
  fan 
  

   38 
  to 
  40 
  ; 
  predorsal 
  scales 
  13 
  to 
  16 
  ; 
  scales 
  around 
  caudal 
  

   peduncle 
  12 
  ; 
  maxillary 
  reaching 
  vertical 
  of 
  a 
  point 
  

   about 
  midway 
  between 
  anterior 
  border 
  of 
  orbit 
  and 
  

   anterior 
  border 
  of 
  pupil 
  when 
  mouth 
  is 
  tightly 
  closed; 
  

   vertebrae 
  in 
  one 
  count 
  13+24 
  (Gulf 
  of 
  California 
  to 
  

  

  Peru) 
  Eiirystole 
  Jordan 
  

  

  39&. 
  Anal-fin 
  base 
  with 
  a 
  wide 
  scaly 
  sheath 
  of 
  two 
  rows 
  in 
  

   width 
  along 
  most 
  or 
  all 
  of 
  its 
  length 
  ; 
  silvery 
  lateral 
  

   band 
  scarcely 
  or 
  only 
  very 
  slightly 
  constricted 
  on 
  

   caudal 
  peduncle, 
  never 
  constricted 
  to 
  a 
  thin 
  line 
  ; 
  scales 
  

   in 
  lateral 
  series 
  58 
  to 
  65; 
  predorsal 
  scales 
  23 
  to 
  28; 
  

   scales 
  aroimd 
  caudal 
  peduncle 
  16 
  to 
  18; 
  maxillary 
  not 
  

   or 
  barely 
  reaching 
  vertical 
  of 
  front 
  edge 
  of 
  orbit 
  when 
  

   mouth 
  is 
  tightly 
  closed 
  ; 
  vertebrae 
  in 
  one 
  count 
  14+26 
  

   (Gulf 
  of 
  California 
  to 
  Peru 
  and 
  Gal&pagos 
  Islands). 
  

  

  Nectarges 
  Myers 
  and 
  Wade 
  

  

  