﻿U. 
  S. 
  NATIONAL 
  MUSEUM 
  

  

  PROCEEDINQS, 
  VOL. 
  XX 
  PL. 
  LXl 
  

  

  100% 
  

  

  293a 
  3T 
  32 
  

  

  123456789 
  to 
  

  

  CURVE 
  VI. 
  

  

  Distribution 
  Chart 
  showing 
  Percentage 
  of 
  Genera 
  distributed 
  according 
  to 
  Steere'S 
  Law, 
  in 
  each 
  Family 
  of 
  Philippine 
  Land 
  Birds. 
  Four 
  Units 
  of 
  horizontal 
  Space 
  are 
  given 
  to 
  each 
  Genus 
  of 
  a 
  Family. 
  

  

  1. 
  PodarmdsB. 
  

  

  2. 
  Meropidae. 
  

  

  3. 
  Fringillidse. 
  

  

  4. 
  Hirundinidae. 
  

   6. 
  OriolidEe. 
  

  

  6. 
  Paridee. 
  

  

  7. 
  Pittidee. 
  

  

  8. 
  Ploceida?. 
  

  

  9. 
  Tumicidffi. 
  

   10. 
  Zosteropidte. 
  

  

  11. 
  Caprimulgidae. 
  

  

  12. 
  Dicfeidae. 
  

   1.3. 
  LanlUlae. 
  

  

  14. 
  Treronidae. 
  

  

  15. 
  Sylviidee, 
  

  

  16. 
  NectariniidaB. 
  

  

  17. 
  Muf?cicapid£e. 
  

  

  18. 
  BuboDidae. 
  

  

  19. 
  Alcedinidae. 
  

  

  20. 
  Cuculidffi. 
  

  

  21. 
  Falconidee. 
  

  

  22. 
  Certhiidse. 
  

  

  23. 
  Peristeridae. 
  

   ^. 
  Cypselidse. 
  

   25. 
  Campopbagl 
  

  

  26. 
  Timeliidae. 
  

  

  27. 
  Pycnonotidte. 
  

  

  28. 
  Paittaclda!. 
  

  

  29. 
  Corvidffi. 
  

  

  30. 
  Eurytemldse. 
  

  

  31. 
  Capltonidm. 
  

  

  32. 
  Dlcnirldip. 
  

  

  83. 
  BucerotidiB. 
  

  

  84. 
  Plcidffi. 
  

  

  