﻿[41] 
  

  

  CATALOGUE 
  OF 
  THE 
  FISHES 
  OF 
  NORTH 
  AMERICA. 
  829 
  

  

  Family 
  XL 
  VI.— 
  HALOSAUKID^. 
  1 
  

   126.— 
  HALOSAURUS 
  Giinther. 
  

  

  488. 
  Halosaurus 
  macrochir 
  Giinther. 
  B. 
  

  

  Family 
  XL 
  VII.— 
  STOMIATID^. 
  (45) 
  

  

  127.— 
  STOMIAS 
  Cuvier. 
  (134) 
  

  

  489. 
  Stomias 
  ferox 
  Reinhardt. 
  B. 
  (470) 
  

  

  128.— 
  HYPERCHORISTUS 
  2 
  Gill. 
  

  

  490. 
  Hyperchoristus 
  tamieri 
  Gill. 
  B. 
  

  

  1 
  Family 
  HALOSAURID^S. 
  

  

  Body 
  elongate, 
  compressed 
  posteriorly, 
  tapering 
  into 
  a 
  very 
  long 
  and 
  slender 
  tail, 
  

   which 
  hecomes 
  compressed 
  and 
  narrowed 
  into 
  a 
  sort 
  of 
  filament. 
  Abdomen 
  rounded. 
  

   Scales 
  rather 
  small, 
  cycloid, 
  deciduous. 
  Sides 
  of 
  head 
  scaly 
  ; 
  lateral 
  line 
  present, 
  

   running 
  along 
  the 
  sides 
  of 
  the 
  belly, 
  its 
  scales, 
  in 
  the 
  known 
  species, 
  enlarged, 
  each 
  

   in 
  a 
  pouch 
  of 
  black 
  skin 
  with 
  a 
  phosphorescent 
  organ 
  at 
  its 
  base. 
  No 
  barbels. 
  Head 
  

   subcorneal, 
  depressed 
  anteriorly, 
  the 
  flattened 
  snout 
  projecting 
  beyond 
  the 
  mouth. 
  

   Mouth 
  inferior, 
  horizontal, 
  of 
  moderate 
  size, 
  its 
  anterior 
  margin 
  formed 
  by 
  the 
  pre- 
  

   maxillaries, 
  its 
  lateral 
  margin 
  by 
  the 
  maxillaries, 
  which 
  are 
  of 
  moderate 
  width. 
  

   Teeth 
  small, 
  in 
  villiform 
  bands, 
  on 
  the 
  jaws, 
  vomer, 
  palatines, 
  and 
  tongue. 
  Eye 
  

   rather 
  large. 
  Facial 
  bones 
  with 
  large 
  muciferous 
  cavities. 
  Preopercle 
  produced 
  

   behind 
  in 
  a 
  large 
  flat 
  process, 
  "replacing 
  the 
  sub- 
  and 
  interoperculum." 
  Bones 
  of 
  

   head 
  unarmed. 
  Gills 
  4, 
  a 
  slit 
  behind 
  the 
  fourth. 
  Pseudobranchiaj 
  none. 
  Gill-rakers 
  

   short. 
  Gill 
  membranes 
  separate, 
  free 
  from 
  tho 
  isthmus. 
  Branchiostegals 
  numerous 
  

   (about 
  14). 
  Dorsal 
  fin 
  short, 
  rather 
  high, 
  inserted 
  behind 
  ventrals 
  and 
  before 
  vent. 
  

   No 
  adipose 
  fin; 
  no 
  caudal 
  fin. 
  Anal 
  fin 
  extremely 
  long, 
  extending 
  from 
  tho 
  vent 
  to 
  

   the 
  tip 
  of 
  the 
  tail 
  (its 
  rays 
  about 
  200 
  in 
  number). 
  Ventrals 
  moderate, 
  not 
  very 
  far 
  

   back. 
  Pectorals 
  rather 
  long, 
  narrow, 
  inserted 
  high. 
  No 
  axillary 
  scales. 
  Air 
  blad- 
  

   der 
  large, 
  simple. 
  Stomach 
  ca;cal 
  ; 
  pyloric 
  cceca 
  in 
  moderate 
  number 
  ; 
  intestines 
  

   short. 
  Ovaries 
  closed. 
  No 
  phosphorescent 
  spots. 
  A 
  single 
  genus, 
  with 
  about 
  5 
  

   species 
  ; 
  fishes 
  of 
  the 
  deep 
  sea. 
  (Halouauridec 
  Giinther, 
  VII, 
  482.) 
  

  

  Halosaurus 
  Johnson. 
  

  

  (Johnson, 
  Proc. 
  Zocil. 
  Soc. 
  London, 
  1863, 
  400 
  ; 
  type 
  Halosaurus 
  oweni, 
  Johnson, 
  from 
  

   Madeira). 
  Characters 
  of 
  the 
  genus 
  included 
  above. 
  ("AA.S, 
  sea; 
  davpoS, 
  lizard.) 
  

  

  Halosaurus 
  macrochir 
  Giinther. 
  

  

  Everywhere 
  blackish, 
  tho 
  color 
  nearly 
  uniform. 
  Snout 
  moderate, 
  its 
  length 
  from 
  

   mouth 
  7 
  in 
  length 
  of 
  head 
  ; 
  eye 
  small, 
  7| 
  in 
  head, 
  2 
  in 
  interorbital 
  space. 
  Length 
  of 
  

   head 
  slightly 
  greater 
  than 
  its 
  distance 
  from 
  ventral. 
  Maxillary 
  reaching 
  vertical 
  

   from 
  front 
  of 
  eye 
  ; 
  its 
  length 
  from 
  tip 
  of 
  snout 
  2^- 
  in 
  head. 
  Insertion 
  of 
  dorsal 
  en- 
  

   tirely 
  behind 
  the 
  ventrals. 
  Ventrals 
  midway 
  between 
  preopercle 
  and 
  front 
  of 
  anal, 
  

   their 
  length 
  2£ 
  in 
  head. 
  Pectorals 
  nearly 
  reaching 
  ventrals, 
  1 
  J 
  in 
  head. 
  Base 
  of 
  dorsal 
  

   3£ 
  in 
  head, 
  its 
  longest 
  ray 
  2. 
  B. 
  12. 
  D 
  1, 
  10, 
  or 
  11, 
  V. 
  9. 
  Deep 
  waters 
  of 
  tho 
  At- 
  

   lantic; 
  not 
  rare 
  in 
  the 
  Gulf 
  Stream. 
  

  

  (Giinther, 
  Ann. 
  Mag. 
  Nat. 
  Hist., 
  1878, 
  251 
  ; 
  Goode 
  & 
  Bean, 
  Bull. 
  Mus. 
  Comp. 
  Zool., 
  

   1882, 
  219. 
  Halosaurus 
  goodci 
  Gill, 
  Proc. 
  U. 
  S. 
  Nat. 
  Mus., 
  1883, 
  257.) 
  

  

  2 
  Hyperchoristus 
  Gill. 
  

  

  (Gill, 
  Proc. 
  U. 
  S. 
  Nat. 
  Mus., 
  1883, 
  256; 
  type, 
  Hyperchoristus 
  tanneri 
  Gill.) 
  

  

  "Stomiatids, 
  with 
  a 
  robust 
  claviform 
  body, 
  naked 
  skin, 
  teeth 
  on 
  the 
  jaws 
  nearly 
  

   uniserial, 
  but 
  in 
  several 
  groups, 
  of 
  which 
  the 
  successive 
  teeth 
  (about 
  4) 
  rapidly 
  

  

  