﻿Classification 
  of 
  some 
  Tehostean 
  Fishes. 
  7 
  

  

  seems 
  to 
  have 
  I 
  6 
  pelvic 
  rays, 
  ami 
  is 
  otherwise 
  very 
  similar 
  

   to 
  Iloplostethns 
  or 
  Trachichthys. 
  

  

  Family 
  8. 
  Holocentrid*. 
  

  

  A 
  long 
  spinous 
  dorsal 
  ; 
  anal 
  with 
  4 
  spines 
  j 
  caudal 
  with 
  

   17 
  branched 
  rays; 
  pel 
  vies 
  thoracic, 
  of 
  a 
  spine 
  and 
  5 
  to 
  8 
  soft 
  

   rays. 
  Jaws 
  and 
  dentition 
  as 
  in 
  the 
  Berycidae 
  ; 
  two 
  supra- 
  

   maxillarie?, 
  the 
  posterior 
  large 
  and 
  sending 
  forward 
  a 
  pointed 
  

   process 
  above 
  the 
  small 
  anterior 
  one 
  ; 
  subocular 
  shelf 
  formed 
  

   by 
  several 
  suborbitals 
  ; 
  nasals 
  moderate, 
  separated 
  by 
  the 
  

   praemaxillary 
  processes, 
  not 
  convergent 
  anteriorly 
  ; 
  a 
  second 
  

   nasal 
  bone 
  on 
  each 
  side 
  below 
  the 
  nostrils. 
  Frontals 
  large, 
  

  

  Fig. 
  2. 
  

  

  -foty 
  

  

  Skull 
  of 
  Myripristis 
  murdjan, 
  from 
  above. 
  

  

  t«, 
  infra-nasal 
  ; 
  na, 
  nasal 
  ; 
  v, 
  vomer; 
  eth, 
  ethmoid 
  ; 
  soc, 
  supra-occipital 
  ; 
  

   f, 
  frontal; 
  p, 
  parietal; 
  sp, 
  sphenotic 
  (post-t'iontal) 
  ; 
  pt, 
  pterotic 
  

   (supra-temporal) 
  ; 
  ep, 
  epiotic 
  ; 
  t, 
  temporal 
  plate 
  ; 
  ptt, 
  post-temporal. 
  

  

  overlapping 
  the 
  parietals 
  and 
  supra-occipital, 
  which 
  scarcely 
  

   appear 
  on 
  the 
  dorsal 
  surface 
  of 
  the 
  cranium 
  ; 
  no 
  parietal 
  

   crests; 
  occipital 
  crest 
  not 
  extending 
  on 
  to 
  the 
  frontals, 
  which 
  

   have 
  a 
  pair 
  ot 
  low 
  longitudinal 
  ridges 
  bordering 
  a 
  median 
  

   groove 
  or 
  channel, 
  and 
  posteriorly 
  a 
  varying 
  number 
  of 
  ridges 
  

   radiating 
  backwards 
  ; 
  trunk-muscles 
  inserted 
  only 
  on 
  poste- 
  

   rior 
  surface 
  of 
  skull, 
  excavating 
  large 
  posterior 
  temporal 
  

   fossae, 
  which 
  are 
  roofed 
  by 
  the 
  frontals. 
  Hypocoracoids 
  

   narrowed 
  forward 
  below, 
  not 
  reaching 
  the 
  ventral 
  profile, 
  not 
  

   embracing 
  the 
  pelvic 
  bones, 
  which 
  are 
  loosely 
  attached 
  by 
  

   ligament 
  above 
  the 
  symphysis 
  of 
  the 
  cleithra. 
  Vertebras 
  26 
  

   or 
  27 
  ; 
  no 
  upturned 
  centra, 
  and 
  the 
  anterior 
  uroneural 
  anky- 
  

   losed 
  with 
  the 
  last 
  centrum. 
  

  

  