﻿REVISION 
  OF 
  THE 
  GENERA 
  OF 
  MULLETS 
  — 
  SCHULTZ 
  379 
  

  

  la. 
  Vpiitral 
  side 
  of 
  iiiatidihlc 
  with 
  4 
  bluntly 
  rounded 
  fleshy 
  lobes, 
  free 
  posteriorly; 
  

   two 
  strips 
  of 
  transverse, 
  close-set, 
  membranous 
  lamellae 
  along 
  lateral 
  edge 
  

   of 
  lower 
  jaw 
  on 
  each 
  side 
  externally; 
  mandible 
  bluntly 
  pointed; 
  lower 
  jaw 
  

   included, 
  without 
  teeth; 
  upper 
  jaw 
  with 
  a 
  narrow 
  band 
  of 
  villiform 
  teeth; 
  

   nostrils 
  close 
  together; 
  no 
  adipose 
  eyelid; 
  upper 
  lij) 
  forming 
  lip 
  of 
  snout; 
  

   scales 
  ctenoid 
  (fresh 
  and 
  brackish 
  waters 
  of 
  westiTii 
  tropical 
  Pacific). 
  

  

  Cestraeus 
  V^alencienncs 
  

   lb. 
  Mandible 
  without 
  the 
  4 
  fleshy 
  lobes 
  and 
  lamellae 
  as 
  described 
  al)ove. 
  

  

  iffi.l 
  pper 
  lip 
  not 
  forming 
  anterior 
  tip 
  of 
  head; 
  snoit 
  fleshy, 
  bluntly 
  rounded, 
  

   forming 
  anterior 
  tip 
  of 
  head, 
  snout 
  projecting 
  in 
  front 
  of 
  ui)per 
  lip, 
  the 
  

   latter 
  narrow, 
  inferior 
  in 
  position; 
  lower 
  jaw 
  included; 
  no 
  adipose 
  eyelid; 
  

   scales 
  ctenoid. 
  

   Sa. 
  I'ppt-r 
  jaw 
  with 
  a 
  band 
  of 
  incisorlikc 
  multicuspid 
  teeth 
  inside 
  of 
  thick 
  lips; 
  

   each 
  side 
  of 
  lower 
  jaw 
  with 
  a 
  patch 
  of 
  multicuspid 
  teeth 
  widely 
  sepa- 
  

   rated 
  at 
  symphysis; 
  nostrils 
  very 
  close 
  together 
  in 
  front 
  of 
  eye; 
  margin 
  

   of 
  lower 
  jaw 
  rounded, 
  lower 
  lips 
  thick; 
  no 
  symphyseal 
  knob 
  at 
  middle 
  

   of 
  lower 
  jaw 
  and 
  no 
  notch 
  in 
  middle 
  of 
  upper 
  lip; 
  scales 
  cliMioid 
  (fresh 
  

  

  waters 
  of 
  Central 
  America, 
  Mexico, 
  and 
  Cuba) 
  Joturus 
  Poey 
  

  

  oh. 
  Upper 
  and 
  lower 
  jaws 
  with 
  fine 
  teeth 
  in 
  a 
  single 
  row 
  in 
  each 
  jaw, 
  tips 
  

   simple, 
  none 
  of 
  the 
  teeth 
  with 
  bifid 
  or 
  nuilticuspid 
  tijjs; 
  nostrils 
  at 
  side 
  

   of 
  head 
  at 
  lower 
  level 
  of 
  orbit, 
  widely 
  spaced, 
  the 
  posterior 
  closer 
  to 
  eye 
  

   than 
  to 
  anterior 
  nostril; 
  margin 
  of 
  lower 
  jaw 
  angular, 
  not 
  rounded, 
  

   with 
  a 
  symphyseal 
  knob 
  and 
  upper 
  lip 
  with 
  pit 
  to 
  receive 
  it; 
  maxillary 
  

   and 
  premaxiUary 
  not 
  hooked 
  downward, 
  lower 
  lip 
  thin-edged, 
  teeth 
  in 
  

   both 
  jaws 
  eilifjrm, 
  i)Osterior 
  edge 
  of 
  pieorbital 
  very 
  narrow, 
  and 
  an- 
  

   terior 
  edge 
  nearly 
  straight, 
  not 
  with 
  a 
  concavity; 
  scali^s 
  ctenoid 
  (fresh 
  

  

  waters, 
  rarely 
  in 
  brackish 
  water, 
  India) 
  . 
  Bhinoraugil 
  Gill 
  

  

  ib. 
  Upper 
  lip 
  forming 
  anterior 
  tip 
  of 
  head 
  and 
  not 
  inferior 
  in 
  position 
  l^eiow 
  a 
  

   projecting 
  fleshy 
  snout. 
  

   4a. 
  L'pper 
  and 
  lower 
  jaws 
  with 
  thick 
  lips, 
  a 
  distinct 
  wide 
  band 
  of 
  teeth 
  

   inside 
  of 
  lips, 
  but 
  no 
  teeth 
  on 
  margin 
  of 
  lips; 
  lower 
  lip 
  not 
  directed 
  or 
  

   folded 
  downward; 
  tips 
  of 
  teeth 
  of 
  inner 
  rows 
  on 
  upper 
  jaw 
  bifid 
  or 
  

   trifid, 
  those 
  on 
  lower 
  jaw 
  simple 
  or 
  bifid; 
  anterior 
  margin 
  of 
  lower 
  

   jaw 
  broadly 
  rounded; 
  maxillary 
  reaching 
  past 
  front 
  of 
  orl)it 
  and 
  past 
  

   posterior 
  tip 
  of 
  prcorbital 
  bone; 
  lower 
  lip 
  thick, 
  not 
  thin 
  at 
  edge 
  and 
  

   not 
  bearing 
  teeth; 
  no 
  adipose 
  eyelid; 
  nostrils 
  close 
  together; 
  scales 
  

   ctenoid 
  (fre;h 
  waters, 
  tropical 
  New 
  World 
  westward 
  to 
  Hawaiian 
  

   Islands 
  and 
  Mauritius, 
  New 
  Zealand, 
  and 
  N(!W 
  South 
  Wales). 
  

  

  Agonostomus 
  Pvnnett 
  

   4b. 
  Teeth 
  and 
  li|»rf 
  not 
  as 
  in 
  //a. 
  

  

  5a. 
  Lower 
  lip 
  thick-edged, 
  without 
  thin 
  edge 
  and 
  not 
  directed 
  forward 
  

  

  horizontally 
  but 
  folded 
  or 
  directed 
  downward 
  so 
  that 
  lower 
  lip 
  fits 
  

  

  more 
  or 
  Ich.'s 
  snugly 
  Ixthind 
  ui)i)er 
  lip 
  when 
  moutli 
  is 
  closed; 
  margin 
  

  

  of 
  lower 
  jaw 
  angidar. 
  

  

  6a. 
  I-owcr 
  lip 
  bearing 
  HCliform 
  teeth 
  externally 
  on 
  edges, 
  these 
  arranged 
  

  

  i'l 
  a 
  narrow 
  or 
  wide 
  band. 
  

  

  7a. 
  Iloth 
  lipH 
  with 
  broad 
  edges 
  bearing 
  ext( 
  rnully 
  a 
  Ij.'uid 
  of 
  minute 
  

  

  teeth 
  in 
  several 
  clo-se-eet 
  rows, 
  most 
  of 
  teeih 
  having 
  bifid 
  tips; 
  

  

  lower 
  lip 
  directt^d 
  but 
  not 
  folded 
  downwani 
  and 
  without 
  free 
  

  

  inner 
  edge; 
  teeth 
  minute, 
  slender, 
  with 
  bifid 
  tips, 
  arranged 
  in 
  

  

  numerouH 
  clo.HC-set 
  rows 
  on 
  upper 
  pharyngeals; 
  noHtrih 
  very 
  

  

  close 
  together; 
  no 
  adipose 
  eyelid; 
  rear 
  end 
  of 
  prcorbital 
  bone 
  

  

  