﻿XII 
  LIST 
  OF 
  ILLUSTRATIONS 
  

  

  The 
  origin, 
  occurrence, 
  composition, 
  and 
  physical 
  properties 
  

  

  OP 
  THE 
  MINERAL 
  IdDINGSITE 
  

  

  By 
  Clarence 
  S. 
  Ross 
  and 
  Earl 
  V. 
  Shannon 
  

  

  Facing 
  page 
  

   1-2. 
  Photomicrographs 
  of 
  Iddingsite-bearing 
  rocks 
  20 
  

  

  A 
  REVISION 
  OF 
  THE 
  PARASITIC 
  WASPS 
  OF 
  THE 
  GENUS 
  MlCROBRACON 
  

   OCCURRING 
  IN 
  AMERICA 
  NORTH 
  OF 
  MEXICO 
  

  

  By 
  C. 
  F. 
  W. 
  Muesebeck 
  

  

  1 
  . 
  Details 
  of 
  Microbracon 
  84 
  

  

  2. 
  Wings 
  of 
  species 
  of 
  Microbracon 
  84 
  

  

  Unusual 
  forms 
  of 
  fossil 
  crinoids 
  

  

  By 
  Frank 
  Springer 
  

  

  1-26. 
  Unusual 
  forms 
  of 
  fossil 
  crinoids 
  98 
  

  

  The 
  Indian 
  medical 
  exhibit 
  of 
  the 
  Division 
  of 
  Medicine 
  in 
  

   the 
  United 
  States 
  National 
  Museum 
  

  

  By 
  Charles 
  Whitebread 
  

  

  1. 
  History 
  of 
  medicine 
  exhibits 
  — 
  East 
  gallery 
  1 
  

  

  2. 
  Indian 
  medicine 
  exhibit 
  1 
  

  

  Revision 
  of 
  bugs 
  of 
  the 
  family 
  Cryptostemmatidae 
  in 
  the 
  

   collection 
  of 
  the 
  United 
  States 
  National 
  Museum 
  

  

  By 
  W. 
  L. 
  McAtee 
  and 
  J. 
  R. 
  Malloch 
  

  

  1. 
  Structural 
  characters 
  of 
  Cryptostemmatinae 
  42 
  

  

  2. 
  Structural 
  characters 
  of 
  Schizopterinae 
  42 
  

  

  3. 
  Wings 
  of 
  Schizopterinae 
  42 
  

  

  4. 
  Hypopygial 
  characters 
  of 
  Schizopterinae 
  42 
  

  

  The 
  dragon 
  god 
  (Dai-Ja) 
  in 
  Idzumo, 
  Japan 
  (A 
  Japanese 
  Tale) 
  

   By 
  I. 
  M. 
  Casanowicz 
  

  

  1. 
  The 
  dragon 
  god 
  (Dai-Ja) 
  in 
  Idzumo, 
  Japan. 
  1 
  

  

  Eggs 
  of 
  a 
  new 
  species 
  of 
  nematoid 
  worm 
  from 
  a 
  shark 
  

  

  By 
  G. 
  A. 
  MacCallum 
  

  

  1. 
  Eggs 
  of 
  Capillaria 
  carcharhini, 
  new 
  species 
  2 
  

  

  TWO 
  NEW 
  LARVAL 
  NEMATODES 
  BELONGING 
  TO 
  THE 
  GENUS 
  POR- 
  

   ROCAECUM 
  FROM 
  MAMMALS 
  OF 
  THE 
  ORDER 
  INSECTIVORA 
  

  

  By 
  Benjamin 
  Schwartz 
  

  

  1. 
  New 
  larval 
  nematodes 
  of 
  the 
  genus 
  Porrocaecum 
  8 
  

  

  Occurrence 
  of 
  the 
  crinoid 
  genus 
  Apiocrinus 
  in 
  America 
  

  

  By 
  Frank 
  Springer 
  

  

  1. 
  Apiocrinus 
  and 
  other 
  crinoid 
  genera 
  6 
  

  

  