﻿122 
  ANNUAL 
  REPORT 
  SMITHSONIAN 
  INSTITUTION, 
  1922. 
  

  

  Racial 
  groups 
  and 
  figures 
  in 
  the 
  Natural 
  History 
  Building 
  of 
  the 
  United 
  States 
  

  

  National 
  Museum, 
  by 
  Walter 
  Hough. 
  

   Notes 
  on 
  the 
  dances, 
  music, 
  and 
  songs 
  of 
  the 
  ancient 
  and 
  modern 
  Mexicans, 
  by 
  

  

  Auguste 
  Genin. 
  

   The 
  Ralph 
  Cross 
  Johnson 
  collection 
  in 
  the 
  National 
  Gallery 
  at 
  Washington, 
  

  

  D. 
  C., 
  by 
  George 
  B. 
  Rose. 
  

  

  REPORT 
  FOR 
  1921. 
  

  

  The 
  report 
  of 
  the 
  executive 
  committee 
  and 
  proceedings 
  of 
  the 
  

   Board 
  of 
  Regents 
  of 
  the 
  Institution, 
  and 
  the 
  report 
  of 
  the 
  secretary, 
  

   both 
  forming 
  part 
  of 
  the 
  annual 
  report 
  of 
  the 
  Board 
  of 
  Regents 
  to 
  

   Congress, 
  were 
  issued 
  in 
  pamphlet 
  form 
  in 
  November, 
  1921. 
  

  

  Report 
  of 
  the 
  executive 
  committee 
  and 
  proceedings 
  of 
  the 
  Board 
  of 
  Regents 
  

   of 
  the 
  Smithsonian 
  Institution 
  for 
  the 
  year 
  ending 
  June 
  30, 
  1921. 
  18 
  pp. 
  

   (Publ. 
  2660.) 
  

  

  Report 
  of 
  the 
  Secretary 
  of 
  the 
  Smithsonian 
  Institution 
  for 
  the 
  year 
  ending 
  

   June 
  30, 
  1921. 
  119 
  pp. 
  (Publ. 
  2659.) 
  

  

  The 
  general 
  appendix 
  to 
  this 
  report, 
  which 
  was 
  in 
  press 
  at 
  the 
  

   close 
  of 
  the 
  year, 
  contains 
  the 
  following 
  papers 
  : 
  

  

  The 
  daily 
  influence 
  of 
  astronomy, 
  by 
  W. 
  W. 
  Campbell. 
  

  

  Cosmogony 
  and 
  stellar 
  evolution, 
  by 
  J. 
  H. 
  Jeans. 
  

  

  The 
  diameters 
  of 
  the 
  stars, 
  by 
  A. 
  Danjon. 
  

  

  Isotopes 
  and 
  atomic 
  weights, 
  by 
  F. 
  W. 
  Aston. 
  

  

  Modifying 
  our 
  ideas 
  of 
  nature: 
  The 
  Einstein 
  theory 
  of 
  relativity, 
  by 
  Henry 
  

  

  Norris 
  Russell. 
  

   The 
  alkali 
  problem 
  in 
  irrigation, 
  by 
  Carl 
  S. 
  Scofield. 
  

   An 
  outline 
  of 
  geophysical-chemical 
  problems, 
  by 
  Robert 
  B. 
  Sosman. 
  

   The 
  yielding 
  of 
  the 
  earth's 
  crust, 
  by 
  William 
  Bowie. 
  

   The 
  age 
  of 
  the 
  earth, 
  by 
  the 
  Right 
  Hon. 
  Lord 
  Rayleigh, 
  W. 
  J. 
  Sollas, 
  J. 
  W. 
  

  

  Gregory, 
  and 
  Harold 
  Jeffreys. 
  

   The 
  department 
  of 
  geology 
  of 
  the 
  U. 
  S. 
  National 
  Museum, 
  by 
  George 
  P. 
  Merrill. 
  

   Some 
  observations 
  on 
  the 
  natural 
  history 
  of 
  Costa 
  Rica, 
  by 
  Robert 
  Ridgway. 
  

   The 
  historic 
  development 
  of 
  the 
  evolutionary 
  idea, 
  by 
  Branislav 
  Petronievics. 
  

   The 
  heredity 
  of 
  acquired 
  characters, 
  by 
  L. 
  Cu€not. 
  

  

  Breeding 
  habits, 
  development, 
  and 
  birth 
  of 
  the 
  opossum, 
  by 
  Carl 
  Hartman. 
  

   Some 
  preliminary 
  remarks 
  on 
  the 
  velocity 
  of 
  migratory 
  flight 
  among 
  birds, 
  

  

  with 
  special 
  reference 
  to 
  the 
  Palaearctic 
  region, 
  by 
  R. 
  Meinertzhagen. 
  

   A 
  botanical 
  reconnaissance 
  in 
  southeastern 
  Asia, 
  by 
  A. 
  S. 
  Hitchcock. 
  

   Ant 
  acacias 
  and 
  acacia 
  ants 
  of 
  Mexico 
  and 
  Central 
  America, 
  by 
  W. 
  E. 
  Safford. 
  

   The 
  fall 
  webworm, 
  by 
  R. 
  E. 
  Snodgrass. 
  

   Collecting 
  insects 
  on 
  Mount 
  Rainier, 
  by 
  A. 
  L. 
  Melander. 
  

   The 
  science 
  of 
  man 
  : 
  Its 
  needs 
  and 
  prospects, 
  by 
  Karl 
  Pearson. 
  

   Pigmentation 
  in 
  the 
  old 
  Americans, 
  with 
  notes 
  on 
  graying 
  and 
  loss 
  of 
  hair, 
  

  

  by 
  Ales' 
  Hrdltfka. 
  

   Ancestor 
  worship 
  of 
  the 
  Hopi 
  Indians, 
  by 
  J. 
  Walter 
  Fewkes. 
  

   The 
  Indian 
  in 
  literature, 
  by 
  Herman 
  F. 
  C. 
  Ten 
  Kate. 
  

   Leopard-men 
  in 
  the 
  Naga 
  Hills, 
  by 
  J. 
  H. 
  Hutton. 
  

   A 
  new 
  era 
  in 
  Palestine 
  exploration, 
  by 
  Elihu 
  Grant. 
  

   The 
  alimentary 
  education 
  of 
  children, 
  by 
  Marcel 
  Labbg. 
  

   A 
  fifty-year 
  sketch 
  history 
  of 
  medical 
  entomology, 
  by 
  L. 
  O. 
  Howard. 
  

   Laid 
  and 
  wove, 
  by 
  Dard 
  Hunter. 
  

   Lead, 
  by 
  Carl 
  W. 
  Mitman. 
  

   William 
  Crawford 
  Gorgas, 
  by 
  Robert 
  E. 
  Noble. 
  

  

  