﻿On 
  a 
  new 
  Species 
  o/Tabanidaj/rom 
  British 
  Guiana. 
  213 
  

  

  width 
  ; 
  maxillary 
  extending- 
  to 
  below 
  posterior 
  border 
  of 
  eye. 
  

   Gill-rakers 
  rather 
  long 
  and 
  slender, 
  12 
  on 
  lower 
  part 
  of 
  

   anterior 
  arch. 
  Dorsal 
  II 
  8, 
  2^ 
  times 
  as 
  distant 
  from 
  head 
  or 
  

   from 
  root 
  of 
  caudal. 
  Anal 
  III 
  8, 
  originating 
  below 
  middle 
  of 
  

   dorsal. 
  Pectoral 
  § 
  length 
  of 
  head. 
  Caudal 
  deeply 
  notched. 
  

   Caudal 
  peduncle 
  twice 
  as 
  long 
  as 
  deep. 
  Scales 
  48 
  S, 
  3-J- 
  De 
  ~ 
  

   tween 
  lateral 
  line 
  and 
  ventral 
  ; 
  lateral 
  scales 
  with 
  16 
  to 
  18 
  

   radiating 
  strong 
  keels 
  terminating 
  in 
  spines 
  ; 
  lateral 
  line 
  30. 
  

   Olive-brown 
  above, 
  whitish 
  on 
  the 
  sides, 
  with 
  five 
  olive-brown 
  

   longitudinal 
  streaks 
  running 
  between 
  the 
  series 
  of 
  scales, 
  

   silvery 
  white 
  beneath 
  ; 
  a 
  large 
  black 
  ocellar 
  spot, 
  edged 
  

   with 
  yellow, 
  at 
  the 
  root 
  of 
  the 
  caudal; 
  dorsal 
  and 
  caudal 
  

   greyish, 
  other 
  fins 
  whitish. 
  

  

  Total 
  length 
  200 
  mm. 
  

  

  A 
  single 
  specimen 
  from 
  Boca 
  de 
  Calima, 
  Choco, 
  5200 
  ft., 
  

   from 
  the 
  collection 
  of 
  Mr. 
  M. 
  G. 
  Palmer. 
  

  

  Curimatus 
  lineopunctatus. 
  

  

  Depth 
  of 
  body 
  2\ 
  to 
  2§ 
  times 
  in 
  total 
  length, 
  length 
  of 
  

   head 
  4 
  times. 
  Head 
  nearly 
  twice 
  as 
  long 
  as 
  deep, 
  upper 
  

   profile 
  scarcely 
  concave 
  at 
  occiput 
  ; 
  eye 
  a 
  little 
  longer 
  than 
  

   snout, 
  a 
  little 
  shorter 
  than 
  interorbital 
  width, 
  3 
  times 
  in 
  

   length 
  of 
  head 
  ; 
  adipose 
  eyelid 
  rudimentary. 
  Gill-rakers 
  

   short, 
  16 
  or 
  17 
  on 
  lower 
  part 
  of 
  anterior 
  arch. 
  Dorsal 
  III 
  9, 
  

   its 
  origin 
  nearer 
  end 
  of 
  snout 
  than 
  root 
  of 
  caudal. 
  Anal 
  

   III 
  7. 
  Pectoral 
  f 
  length 
  of 
  head, 
  not 
  reaching 
  ventral. 
  

   Belly 
  not 
  keeled 
  behind 
  the 
  ventrals. 
  Caudal 
  deeply 
  forked, 
  

   a 
  little 
  longer 
  than 
  head. 
  Caudal 
  peduncle 
  as 
  long 
  as 
  deep. 
  

   Scales 
  40-42^-, 
  6-7 
  between 
  lateral 
  line 
  and 
  ventral. 
  Steel- 
  

   grey 
  above, 
  silvery 
  white 
  beneath, 
  the 
  scales 
  on 
  the 
  sides 
  

   with 
  round 
  black 
  spots 
  forming 
  regular 
  longitudinal 
  series 
  ; 
  

   a 
  large 
  round 
  black 
  blotch 
  on 
  the 
  caudal 
  peduncle. 
  

  

  Total 
  length 
  135 
  mm. 
  

  

  Five 
  specimens 
  from 
  Novita, 
  Rio 
  Tamana, 
  Choco, 
  150- 
  

   200 
  (t., 
  from 
  the 
  collection 
  of 
  Mr. 
  M. 
  G. 
  Palmer. 
  

  

  XXIII. 
  — 
  Entomological 
  Notes 
  from 
  the 
  London 
  School 
  of 
  

   Tropical 
  Medicine. 
  — 
  No. 
  I. 
  Description 
  of 
  a 
  new 
  Species 
  

   of 
  Tabanidre 
  from 
  British 
  Guiana. 
  By 
  SOPHIA 
  L. 
  M. 
  

   Summers, 
  M.A., 
  B.Sc* 
  

  

  The 
  species 
  described 
  below 
  is 
  near 
  ]) 
  ichdacera 
  testacea, 
  

  

  Macq., 
  which, 
  as 
  Miss 
  Ricardo 
  states, 
  has 
  not 
  the 
  typical 
  

  

  * 
  Communicated 
  by 
  Lt.-Colonel 
  A. 
  Alcock, 
  CLE., 
  F.R.S. 
  

  

  