﻿REVISION 
  OF 
  THE 
  GENERA 
  OF 
  MULLETS 
  SCHULTZ 
  395 
  

  

  HETEHOilUJIL 
  

   (M 
  Cy 
  Po 
  Ai< 
  Lt) 
  

  

  CESTRAEUS 
  

   (F 
  Ct 
  P3 
  Aa 
  Lf 
  ) 
  

  

  CHENIiu'UOlL 
  

   (M 
  Cy 
  ?c 
  A" 
  L: 
  

  

  UYXTJS 
  

   (M 
  Cy 
  P3 
  A.i 
  Lt) 
  

  

  TSAOHTdTOMA 
  

  

  (? 
  ct 
  Ps 
  fA 
  I',) 
  

  

  NE0!.rEaJ3 
  

   (M 
  Cy 
  P3 
  Aa 
  Lf) 
  

  

  JCTURUS 
  

   (F 
  Ct 
  P3 
  Aa 
  Lw) 
  

  

  UDGILID 
  STOCK 
  

   Figure 
  32. 
  — 
  Diagram 
  of 
  the 
  possible 
  relationships 
  of 
  genera 
  of 
  the 
  Mugilidae. 
  Letters 
  

   in 
  the 
  parentheses 
  under 
  each 
  genus 
  indicate 
  some 
  of 
  the 
  characters 
  used 
  in 
  forming 
  an 
  

   opinion 
  as 
  to 
  the 
  general 
  evolutionary 
  trends. 
  (Aa. 
  — 
  Adipose 
  eyelid 
  absent; 
  Ap. 
  — 
  Adi- 
  

   pose 
  eyelid 
  present; 
  Ct. 
  — 
  Ctenoid 
  scales; 
  Cy. 
  — 
  Cycloid 
  scales; 
  F. 
  — 
  Fresh-water 
  habitat; 
  

   Lf. 
  — 
  Lower 
  lip 
  folded 
  downward; 
  Lt. 
  — 
  Lower 
  lip 
  with 
  thin 
  edge 
  projecting 
  forward; 
  

   Lw. 
  — 
  Lower 
  lip 
  thickish; 
  M. 
  — 
  Marine 
  habitat 
  and 
  entering 
  brackish 
  waters; 
  Pc. 
  — 
  Front 
  

   edge 
  of 
  prcorbital 
  straight 
  and 
  the 
  maxillary 
  and 
  premaxiilary 
  extending 
  in 
  the 
  same 
  

   general 
  line 
  as 
  front 
  edge 
  of 
  preorbital; 
  Ps. 
  — 
  Front 
  edge 
  of 
  preorbital 
  concave 
  or 
  deeply 
  

   notched, 
  the 
  maxillary 
  and 
  premaxiilary 
  bent 
  at 
  an 
  abrupt 
  angle 
  posteriorly, 
  and 
  exposed 
  

   below 
  prcorbital.) 
  

  

  U 
  t- 
  COVCHNIItNT 
  PRIMTINS 
  OfFICIi 
  II4« 
  

  

  