﻿REVISION 
  OF 
  THE 
  GENERA 
  OF 
  MULLETS 
  — 
  SCHULTZ 
  385 
  

  

  jaw 
  have 
  simple 
  tips, 
  but 
  the 
  inner 
  rows 
  of 
  teeth 
  have 
  bifid 
  or 
  trifid 
  

   tips, 
  at 
  least 
  in 
  the 
  atlults; 
  the 
  teeth 
  in 
  the 
  lower 
  jaw 
  usually 
  have 
  

   simple 
  tips, 
  but 
  occasionally 
  some 
  have 
  bifid 
  tips; 
  no 
  symphyseal 
  

   knob 
  on 
  lower 
  jaw: 
  scales 
  ctenoid: 
  front 
  edge 
  of 
  preorbital. 
  serrated 
  

   but 
  without 
  conspicuous 
  concavity, 
  nearly 
  straight; 
  maxillary 
  and 
  

   promaxillary 
  not 
  bent 
  downward 
  posteriorly 
  but 
  mostly 
  in 
  line 
  with 
  

   front 
  edge 
  of 
  preorbital; 
  nostrils 
  in 
  line 
  with 
  upper 
  edge 
  of 
  orbit, 
  very 
  

   close 
  together, 
  remote 
  from 
  groove 
  behind 
  upper 
  lip; 
  adipose 
  eyelid 
  

   absent; 
  villiform 
  teeth 
  on 
  vomer 
  and 
  palatines 
  but 
  apparently 
  absent 
  

   on 
  tongue; 
  posterior 
  edge 
  preorbital 
  very 
  wide; 
  margin 
  of 
  lower 
  jaw 
  

   rounded; 
  gill 
  membranes 
  extending 
  far 
  forward 
  not 
  broadly 
  connected 
  

   across 
  isthmus. 
  

  

  The 
  generic 
  diagnosis 
  is 
  based 
  on 
  the 
  description 
  by 
  Fontaine 
  en- 
  

   titled, 
  "Sur 
  La 
  Chitte 
  (Agonostoma 
  ieljairii 
  Glinther)" 
  in 
  Bull. 
  vSoc. 
  

   Zool. 
  France, 
  vol. 
  53, 
  pp. 
  38G-390, 
  figs. 
  1-4, 
  1928, 
  and 
  on 
  collections 
  

   in 
  the 
  National 
  Museum, 
  too 
  numerous 
  to 
  list 
  the 
  numbers 
  here, 
  

   but 
  from 
  Guadaloupe 
  Islands, 
  Secas 
  Island, 
  Mexico, 
  Panama, 
  Vene- 
  

   zuela, 
  and 
  Vsesi 
  Indies 
  (largely 
  from 
  Old 
  Providence 
  Island, 
  Jamaica, 
  

   Cuba, 
  Puerto 
  Rico, 
  and 
  Haiti). 
  There 
  are 
  a 
  few 
  specimens 
  from 
  New 
  

   Zealand 
  and 
  New 
  South 
  "Wales 
  and 
  one 
  from 
  the 
  Hawaiian 
  Islands. 
  

  

  Genus 
  CHAENOMUGIL 
  Gill 
  

  

  Chacnomugil 
  Gill, 
  Proc. 
  Acad. 
  Nat. 
  Sci. 
  Philadelphia, 
  18G3, 
  p. 
  169 
  (genotype, 
  

   Miigil 
  proboscidens 
  Giinther) 
  (west 
  coast 
  of 
  Central 
  America). 
  

  

  This 
  genus 
  is 
  characterized 
  by 
  the 
  broad, 
  thick, 
  pliable 
  lips 
  bearing 
  

   externally 
  a 
  band 
  of 
  small 
  teeth 
  with 
  bifid 
  tips 
  in 
  several 
  close-set 
  

   rows 
  on 
  both 
  upper 
  and 
  lower 
  jaws; 
  lower 
  lip 
  directed 
  downward 
  and 
  

   fitting 
  snugly 
  behind 
  the 
  upper 
  li[) 
  when 
  mouth 
  is 
  closed; 
  tip 
  of 
  lower 
  

   jaw 
  more 
  or 
  less 
  bluntly 
  pointed 
  but 
  symphyseal 
  knob 
  undeveloped; 
  

   scales 
  ctenoid; 
  front 
  edge 
  of 
  preorbital 
  flexible 
  without 
  concavity, 
  

   serrated 
  only 
  posteriorly; 
  maxillary 
  and 
  premaxillary 
  not 
  bent 
  down- 
  

   ward 
  posteriorly; 
  nostrils 
  in 
  line 
  with 
  uppr 
  edge 
  of 
  orbit, 
  very 
  close 
  

   together, 
  remote 
  from 
  groove 
  behind 
  broad 
  upper 
  lip; 
  adipose 
  eyehd 
  

   absent; 
  no 
  teeth 
  on 
  vomer 
  or 
  palatines 
  but 
  some 
  on 
  tongue; 
  posterior 
  

   edge 
  of 
  preorbital 
  wide, 
  serrated 
  ; 
  margin 
  of 
  lower 
  jaw 
  acutely 
  angular; 
  

   gill 
  membranes 
  extending 
  far 
  forward, 
  not 
  broadly 
  connected 
  across 
  

   isthmus. 
  

  

  I 
  have 
  studicfl 
  the 
  following 
  collections 
  of 
  ('. 
  ])roboscidens: 
  U. 
  S. 
  

   N. 
  M. 
  Nos. 
  465G3-4 
  and 
  125343 
  from 
  Clarion 
  Island; 
  Nos. 
  54541, 
  

   56343, 
  07578, 
  and 
  1070.-,n 
  from 
  Socorro 
  Ishuid 
  ; 
  No. 
  G5440 
  from 
  Chat- 
  

   ham 
  Island; 
  No. 
  f3544S 
  from 
  Culehra 
  Islnnd; 
  No. 
  128504 
  from 
  tho 
  

   Pearl 
  Islands; 
  No. 
  47471 
  from 
  MazatlAn; 
  No. 
  101045 
  from 
  Cupica 
  

   Bay, 
  Colonihia;and 
  Nos. 
  79778-81 
  , 
  797S0, 
  79829, 
  79830, 
  and 
  1 
  2857 
  1-2 
  

   from 
  Panama. 
  All 
  records 
  from 
  the 
  Pacific. 
  

  

  715201-40-2 
  

  

  