﻿476 
  JOURNAL 
  OF 
  the; 
  WASHINGTON 
  ACADEMY 
  OF 
  SCIENCES 
  VOL. 
  12, 
  NO. 
  21 
  

  

  69. 
  Lewis, 
  Isabel 
  M. 
  Splendors 
  of 
  the 
  sky. 
  

  

  70. 
  McKready, 
  Kelvin. 
  A 
  beginner's 
  star 
  book. 
  

  

  71. 
  Turner, 
  H. 
  H. 
  A 
  voyage 
  through 
  space. 
  

  

  72. 
  Berry, 
  Arthur. 
  A 
  short 
  history 
  of 
  astronomy. 
  

   Chemistry 
  : 
  

  

  73. 
  Slosson, 
  E. 
  E. 
  Creative 
  chemistry. 
  

  

  74. 
  Hendrick, 
  Ellwood. 
  Everyman' 
  s 
  chemistry. 
  

  

  75. 
  Fuller, 
  Henry 
  C. 
  The 
  story 
  of 
  drugs. 
  

  

  76. 
  Eabre, 
  Jean 
  Henri. 
  The 
  wonder 
  book 
  of 
  chemistry. 
  

  

  77. 
  Duncan, 
  Robert 
  Kennedy. 
  The 
  chemistry 
  of 
  commerce. 
  

  

  78. 
  Martin, 
  Geoffrey. 
  Modern 
  chemistry 
  and 
  its 
  wonders. 
  

  

  79. 
  SoDDY, 
  Frederick. 
  The 
  interpretation 
  of 
  radium. 
  

  

  80. 
  Venable, 
  F. 
  p. 
  a 
  short 
  history 
  of 
  chemistry. 
  

  

  81. 
  Smith, 
  Edgar 
  Fahs. 
  Chemistry 
  in 
  America. 
  

   Physics 
  : 
  

  

  82. 
  SoDDY, 
  Frederick, 
  Matter 
  and 
  energy. 
  

  

  83. 
  Mills, 
  John. 
  Within 
  the 
  atom. 
  

  

  84. 
  Einstein, 
  Albert. 
  Relativity. 
  

  

  85. 
  Fleming, 
  J. 
  A. 
  Waves 
  and 
  ripples 
  in 
  water, 
  air, 
  and 
  aether. 
  

  

  86. 
  Miller, 
  Dayton 
  C. 
  The 
  science 
  of 
  musical 
  sounds. 
  

  

  87. 
  Bragg, 
  William. 
  The 
  world 
  of 
  sound. 
  

  

  88. 
  LucKiESH, 
  Marion. 
  Color 
  and 
  its 
  applications. 
  

  

  89. 
  Boys, 
  C. 
  V. 
  Soap 
  bubbles: 
  their 
  colours 
  and 
  the 
  forces 
  which 
  mould 
  

   them. 
  

  

  90. 
  Mach, 
  Ernst. 
  Popular 
  scientific 
  lectures. 
  

  

  91. 
  SoDDY, 
  Frederick. 
  Science 
  and 
  life. 
  

   Mathematics: 
  

  

  92. 
  Whitehead, 
  A. 
  N. 
  Introduction 
  to 
  mathematics. 
  

  

  93. 
  Conant, 
  Levi 
  Leonard. 
  The 
  number 
  concept, 
  its 
  origin 
  and 
  develop- 
  

   ment. 
  

  

  94. 
  VouNG, 
  John 
  Wesley. 
  Lectures 
  on 
  the 
  fundamental 
  concepts 
  of 
  

   algebra 
  and 
  geometry. 
  

  

  95. 
  Shaw, 
  James 
  Byrnie. 
  Lectures 
  on 
  the 
  philosophy 
  of 
  mathematics. 
  

  

  96. 
  De 
  Morgan, 
  Augustus. 
  On 
  the 
  study 
  and 
  difficulties 
  of 
  mathematics. 
  

  

  97. 
  Smith, 
  David 
  Eugene. 
  Number 
  stories 
  of 
  long 
  ago. 
  

   History 
  of 
  science: 
  

  

  98. 
  Libby, 
  Walter. 
  An 
  introduction 
  to 
  the 
  history 
  of 
  science. 
  

  

  99. 
  Sedgwick, 
  W. 
  T., 
  and 
  Tyler, 
  H. 
  W. 
  A 
  short 
  history 
  of 
  science. 
  

   100. 
  White, 
  Andrew 
  D. 
  A 
  history 
  of 
  the 
  warfare 
  of 
  science 
  with 
  theology 
  

  

  in 
  Christendom. 
  

  

  