﻿Mr. 
  G. 
  A. 
  Boulenger 
  on 
  neio 
  Fishes. 
  .'577 
  

  

  XLII. 
  — 
  Description 
  of 
  a 
  new 
  Cichliil 
  Fish 
  /rem 
  M^ashonaland. 
  

   By 
  G. 
  A. 
  Boulenger, 
  F.R.S. 
  

  

  (Published 
  by 
  permission 
  of 
  the 
  Trustees 
  of 
  the 
  British 
  Museum.) 
  

  

  Pehnatochromis 
  darlingi. 
  

  

  Depth 
  of 
  body 
  equal 
  to 
  length 
  of 
  head, 
  2f 
  times 
  in 
  total 
  

   length. 
  Head 
  2^- 
  times 
  as 
  long 
  as 
  broad 
  ; 
  snout 
  as 
  long 
  as 
  

   broad, 
  with 
  slightly 
  convex 
  upper 
  profile, 
  a 
  little 
  longer 
  than 
  

   eye, 
  which 
  is 
  of 
  times 
  in 
  length 
  of 
  head 
  and 
  slightly 
  exceeds 
  

   interorbital 
  width 
  or 
  least 
  depth 
  of 
  pvseorbital 
  ; 
  jaws 
  equal 
  

   in 
  front 
  ; 
  mouth 
  extending 
  to 
  below 
  anterior 
  border 
  of 
  eye 
  ; 
  

   3 
  series 
  of 
  teeth 
  in 
  each 
  jaw, 
  outer 
  rather 
  large 
  ; 
  4 
  series 
  of 
  

   scales 
  on 
  the 
  cheek, 
  the 
  depth 
  of 
  the 
  scaly 
  part 
  below 
  the 
  eye 
  

   slightly 
  less 
  than 
  diameter 
  of 
  eye. 
  Gill-rakers 
  very 
  short, 
  

   9 
  on 
  lower 
  part 
  of 
  anterior 
  arch. 
  Dorsal 
  XV 
  11 
  ; 
  spines 
  

   increasing 
  in 
  length 
  to 
  the 
  last, 
  which 
  measures 
  \ 
  length 
  of 
  

   head 
  ; 
  longest 
  soft 
  ray 
  § 
  length 
  of 
  head. 
  Anal 
  III 
  8 
  ; 
  third 
  

   spine 
  longest, 
  stronger 
  but 
  a 
  little 
  shorter 
  than 
  last 
  dorsal. 
  

   Pectoral 
  pointed, 
  a 
  little 
  shorter 
  than 
  head, 
  reaching 
  vertical 
  

   of 
  origin 
  of 
  anal. 
  Ventral 
  extending 
  a 
  little 
  beyond 
  origin 
  

   of 
  anal. 
  Caudal 
  rounded. 
  Caudal 
  peduncle 
  a 
  little 
  longer 
  

   than 
  deep. 
  Scales 
  very 
  feebly 
  denticulate, 
  32 
  ^| 
  ; 
  lateral 
  lines 
  

   ijj. 
  Brownish 
  above, 
  whitish 
  beneath, 
  with 
  seven 
  very 
  in- 
  

   distinct 
  darker 
  cross-bars 
  ; 
  a 
  dark 
  bar 
  below 
  anterior 
  third 
  of 
  

   eye; 
  dorsal 
  fin 
  with 
  round 
  dark 
  brown 
  spots. 
  

  

  Total 
  length 
  110 
  mm. 
  

  

  A 
  single 
  specimen 
  from 
  the 
  Makabusi 
  Kiver 
  (Zambesi 
  

   System) 
  near 
  Salisbury, 
  Mashonaland, 
  presented 
  to 
  the 
  

   British 
  Museum 
  by 
  Mr. 
  J. 
  ff. 
  Darling. 
  

  

  AllieoMo 
  P. 
  welwitschiij 
  Blgr. 
  

  

  XLIII. 
  — 
  Description 
  of 
  a 
  new 
  Fish 
  of 
  the 
  Genus 
  Polypterus 
  

   from 
  Liberia. 
  By 
  G. 
  A. 
  Boulenger, 
  F.R.S. 
  

  

  (Published 
  by 
  permission 
  of 
  the 
  Trustees 
  of 
  the 
  British 
  Museum.) 
  

  

  Polypterus 
  lowei. 
  

  

  Body 
  subcylindrical. 
  Head 
  If 
  to 
  If 
  times 
  as 
  long 
  as 
  

   broad, 
  6 
  times 
  in 
  total 
  length, 
  with 
  lateral 
  eyes 
  and 
  convex 
  

   Ann. 
  & 
  Mag. 
  N. 
  Hist. 
  Ser. 
  8. 
  Vol. 
  vii. 
  25 
  

  

  