﻿884 
  REPORT 
  OF 
  COMMISSIONER 
  OF 
  FISH 
  AND 
  FISHERIES. 
  [96] 
  

   Family 
  CXI.— 
  EMBIOTOCIDiB. 
  (93) 
  

  

  355.— 
  HYSTEROCARPUS 
  Gibbons. 
  (307) 
  

  

  1132. 
  Hysterocarpus 
  traski 
  Gibbons. 
  T. 
  (923) 
  

  

  356.— 
  ABBONA 
  Girard. 
  (308) 
  

  

  1133. 
  Abeona 
  minima 
  Gibbons. 
  C. 
  (924) 
  

  

  1134. 
  Abeona 
  aurora 
  Jordan 
  & 
  Gilbert. 
  C. 
  (925) 
  

  

  357.— 
  BRACHYISTIUS 
  Gill. 
  (308 
  6.) 
  

  

  1135. 
  Brachyistius 
  frenatus 
  Gill. 
  C. 
  (920) 
  

  

  1136. 
  Brachyistius 
  rosaceus 
  Jordan 
  & 
  Gilbert. 
  C. 
  (927) 
  

  

  358.— 
  MICROMETRUS 
  Gibbons. 
  (309) 
  

  

  1137. 
  Micrometrus 
  aggregatus 
  Gibbons. 
  C. 
  (928) 
  

  

  359.— 
  HOLCONOTUS 
  Agassiz. 
  (310) 
  . 
  

   § 
  Hypocriticliihys 
  Gill. 
  

  

  1138. 
  Holconotus 
  analis 
  Ales. 
  Agassiz. 
  C. 
  (929) 
  

  

  $ 
  Hyperprosopon 
  Gibbons. 
  

  

  1139. 
  Holconotus 
  argenteus 
  Gibbons. 
  C. 
  (930) 
  

  

  1140. 
  Holconotus 
  agassizii 
  Gill. 
  C. 
  (931) 
  

  

  § 
  Holconotus. 
  

  

  1141. 
  Holconotus 
  rhodoterus 
  Agassiz. 
  C. 
  (933) 
  

  

  360.— 
  AMPHISTICHUS 
  Agassiz. 
  (310 
  6.) 
  

  

  1142. 
  Amphistichus 
  argenteus 
  Agassiz. 
  C. 
  (933) 
  

  

  361.— 
  HYPSURUS 
  Ales. 
  Agassiz. 
  (311) 
  

  

  1143. 
  Hypsurus 
  caryi 
  Agassiz. 
  C. 
  (934) 
  

  

  362.— 
  DITREMA 
  Scblegel. 
  (312) 
  

   § 
  Tceniotoca 
  Ales. 
  Agassiz. 
  

  

  1144. 
  Ditrema 
  laterale 
  Agassiz. 
  C. 
  (935) 
  

  

  brigbtly 
  silvery; 
  tip 
  of 
  spinous 
  dorsal 
  usually 
  black, 
  other 
  fins 
  pale 
  ; 
  slenderer 
  than 
  

   any 
  other 
  of 
  the 
  American 
  species; 
  the 
  snout 
  rather 
  sharp 
  ; 
  the 
  outlines 
  of 
  the 
  body 
  

   notangular 
  ; 
  eye 
  rather 
  large, 
  3 
  in 
  head, 
  nearly 
  equal 
  to 
  the 
  llattish 
  interorbital 
  space 
  ; 
  

   premasillary 
  groove 
  linear, 
  naked, 
  formed 
  as 
  in 
  G. 
  gracilis; 
  fins 
  low; 
  the 
  lougest 
  

   dorsal 
  spines, 
  2 
  in 
  head 
  ; 
  anal 
  spines 
  short 
  ; 
  pectoral 
  short, 
  1£ 
  in 
  head 
  ; 
  head, 
  3J 
  ; 
  depth, 
  

   3|; 
  D, 
  IX, 
  10; 
  A, 
  II, 
  8; 
  scales, 
  4— 
  45— 
  10 
  ; 
  L.,4 
  inches. 
  West 
  Indies, 
  north 
  to 
  Cedar 
  

   Key, 
  Florida. 
  Well 
  distinguished 
  from 
  all 
  related 
  species 
  by 
  the 
  presence 
  of 
  but 
  two 
  

   anal 
  spines. 
  The 
  only 
  other 
  species 
  with 
  two 
  anal 
  spines 
  is 
  G. 
  rhombeus 
  C. 
  & 
  V., 
  an 
  

   ally 
  of 
  G. 
  olisthostoma. 
  

  

  (THapferus 
  lefroyi 
  Goode, 
  Am. 
  Journ. 
  Sci. 
  Arts, 
  1874, 
  123 
  ; 
  Eucinostomm 
  lefroyi 
  Goode, 
  

   Bull. 
  U. 
  S. 
  Nat. 
  Mus.V., 
  1876, 
  39 
  ; 
  Eucinostomn* 
  produclus 
  Poey, 
  Ann. 
  Lye. 
  N. 
  Y., 
  XI, 
  59, 
  

   187G 
  ; 
  Evermann 
  & 
  Meek, 
  Proc. 
  Ac. 
  Nat. 
  Sci. 
  l'hila., 
  1883, 
  118.) 
  

  

  