﻿[127] 
  CATALOGUE 
  OF 
  THE 
  FISHES 
  OF 
  NORTH 
  AMERICA. 
  915 
  

  

  516.— 
  DINEMATICHTHYS 
  Bleeker. 
  (435) 
  

   § 
  Brosmophycis 
  Gill. 
  

  

  1532. 
  Dinematichthys 
  marginatus 
  Ayres. 
  C. 
  (1225) 
  

  

  1533. 
  Dinematichthys 
  ventralis 
  1 
  Gill. 
  P. 
  

  

  517— 
  BARATHRODEMUS 
  2 
  Goode 
  & 
  Bean. 
  

  

  1534. 
  Barathrodemus 
  manatinua 
  Goode 
  & 
  Bean. 
  B. 
  

  

  518.— 
  DICROLENE 
  3 
  Goode 
  & 
  Bean. 
  B. 
  

  

  1535. 
  Dicrolene 
  intronigra 
  Goode 
  & 
  Bean. 
  B. 
  

  

  1 
  Brosmophycis 
  ventralis 
  Gill, 
  Proc. 
  Ac. 
  Nat. 
  Sci. 
  Phila., 
  1863, 
  253. 
  Cape 
  San 
  Lucas, 
  

  

  southward. 
  

  

  2 
  Barathrodemus 
  Goode 
  & 
  Bean. 
  

  

  (Goode 
  & 
  Bean, 
  Bull. 
  Mus. 
  Comp. 
  Zool., 
  XIX, 
  1883, 
  200; 
  type 
  Barathrodemus 
  man- 
  

   atinus 
  G. 
  & 
  B. 
  ) 
  

  

  Body 
  brotuliform, 
  much 
  compressed 
  ; 
  head 
  compressed 
  ; 
  mouth 
  moderate. 
  Head 
  

   unarmed, 
  except 
  for 
  a 
  short 
  flattened 
  spine 
  at 
  upper 
  angle 
  of 
  opercle. 
  Snout 
  long, 
  

   projecting 
  far 
  beyond 
  premaxillaries, 
  its 
  tip 
  much 
  swollen 
  ; 
  jaws 
  subequal 
  in 
  front. 
  

   Teeth 
  minute, 
  in 
  villiform 
  bands 
  on 
  jaws, 
  vomer 
  and 
  palatines. 
  No 
  barbels. 
  An- 
  

   terior 
  nostrils 
  on 
  the 
  outer 
  angles 
  of 
  the 
  dilated 
  snout, 
  circular, 
  each 
  surrounded 
  by 
  

   a 
  cluster 
  of 
  mucous 
  tubes. 
  Posterior 
  nostrils 
  above 
  front 
  of 
  eye. 
  Gill 
  openings 
  

   wide, 
  the 
  membranes 
  not 
  united. 
  Gill-rakers 
  rather 
  few. 
  Body 
  and 
  head 
  covered 
  

   with 
  small, 
  thin, 
  scarcely 
  imbricated 
  scales. 
  Dorsal 
  and 
  anal 
  long. 
  Caudal 
  fin 
  

   separate, 
  long, 
  and 
  slender. 
  Ventrals 
  close 
  together, 
  far 
  in 
  front 
  of 
  pectorals, 
  each 
  

   reduced 
  to 
  a 
  single 
  bifid 
  ray. 
  Deep-sea 
  fishes. 
  (/3dpaQpov, 
  a 
  gulf 
  or 
  deep 
  abyss; 
  

   dfjuoi, 
  people.) 
  

  

  Barathrodemus 
  manaiinus 
  Goode 
  & 
  Bean. 
  

  

  Grayish 
  brown 
  ; 
  abdomen 
  black. 
  Snout 
  longer 
  than 
  eye, 
  its 
  form 
  resembling 
  that 
  

   of 
  the 
  manatee. 
  Maxillary 
  reaching 
  to 
  opposite 
  front 
  of 
  eye, 
  its 
  length 
  2\ 
  in 
  head. 
  

   Eye 
  5£ 
  in 
  head. 
  Insertion 
  of 
  dorsal 
  above 
  that 
  of 
  pectoral. 
  Ventrals 
  inserted 
  nearly 
  

   below 
  middle 
  of 
  opercle, 
  their 
  length 
  half 
  head. 
  Head 
  6 
  ; 
  depth 
  1\. 
  D. 
  106 
  ; 
  A. 
  86; 
  

   C 
  -f 
  5 
  + 
  ; 
  Lat. 
  1. 
  175. 
  Gulf 
  Stream, 
  latitude 
  33°. 
  (Goode 
  $ 
  Bean.) 
  

  

  (Goode 
  & 
  Bean, 
  Bull. 
  Mus. 
  Comp. 
  Zool., 
  XIX, 
  1883, 
  200.) 
  

   3 
  Dicrolene 
  Goode 
  & 
  Bean. 
  

  

  (Goode 
  & 
  Bean, 
  Bull. 
  Mus. 
  Comp. 
  Zool., 
  1883, 
  202, 
  XIX 
  ; 
  type 
  Dicrolene 
  introniger 
  

   G. 
  & 
  B.) 
  

  

  Body 
  brotuliform, 
  moderately 
  compressed 
  ; 
  head 
  somewhat 
  compressed, 
  the 
  mouth 
  

   large 
  ; 
  tip 
  of 
  maxillary 
  much 
  dilated. 
  Eye 
  large, 
  placed 
  high. 
  Head 
  with 
  supra- 
  

   orbital 
  spines 
  ; 
  several 
  strong 
  spines 
  on 
  the 
  preopercle 
  and 
  one 
  long 
  spine 
  at 
  upper 
  

   angle 
  of 
  opercle. 
  Snout 
  short, 
  not 
  projecting 
  ; 
  jaws 
  subequal. 
  Teeth 
  in 
  narrow, 
  

   villiform 
  bands 
  on 
  jaws, 
  head 
  of 
  vomer, 
  and 
  on 
  palatines. 
  No 
  barbel. 
  Gill 
  mem- 
  

   branes 
  separate. 
  Caudal 
  fin 
  small, 
  separate. 
  Dorsal 
  and 
  anal 
  fins 
  long. 
  Pectoral 
  

   with 
  several 
  of 
  its 
  lower 
  rays 
  separate 
  and 
  very 
  much 
  produced. 
  Ventrals 
  close 
  

   together, 
  under 
  front 
  of 
  operculum, 
  each 
  composed 
  of 
  a 
  single 
  bifid 
  ray. 
  Head 
  and 
  

   •body 
  covered 
  with 
  small 
  scales. 
  Lateral 
  line 
  incomplete. 
  Stomach 
  siphon 
  a 
  1 
  ; 
  

   pyloric 
  caeca 
  rudimentary; 
  intestine 
  short. 
  Deep 
  water. 
  (Aiupoo 
  5, 
  forked; 
  <k>\£vr], 
  

   arm.) 
  

  

  Dicrolene 
  introniger 
  Goode 
  & 
  Bean. 
  

  

  Opercular 
  spine 
  with 
  its 
  exposed 
  portion 
  half 
  as 
  long 
  as 
  eye, 
  which 
  is 
  as 
  wide 
  as 
  

   interorbital 
  space, 
  and 
  4 
  in 
  head. 
  Mouth 
  large, 
  the 
  maxillary 
  extending 
  beyond 
  eye, 
  

   its 
  length 
  considerably 
  more 
  than 
  half 
  head 
  ; 
  width 
  of 
  expanded 
  tip 
  of 
  maxillary 
  J 
  eye. 
  

   Boues 
  of 
  head 
  with 
  large 
  muciferous 
  cavities. 
  Length 
  of 
  caudal 
  half 
  distance 
  from 
  

  

  