﻿0. 
  S. 
  NATIONAL 
  MUSEUM 
  

  

  PR0CEEDINQ8, 
  VOL. 
  XX 
  PL. 
  

  

  CURVE 
  III. 
  

  

  Distribution 
  Chart 
  showinq 
  Relationship 
  between 
  Number 
  of 
  Genera 
  of 
  non-migratory 
  Land 
  Birds 
  known 
  from 
  each 
  Island 
  and 
  Percentages 
  distributed 
  in 
  accordance 
  with, 
  and 
  in 
  Opposition 
  to, 
  Steere's 
  Law. 
  Four 
  

  

  horizontal 
  space 
  are 
  given 
  to 
  each 
  genus. 
  

  

  Units 
  of 
  

  

  1. 
  Cuvoand 
  Bazol. 
  

  

  2. 
  Sakuijok. 
  

   8. 
  Siassi. 
  

  

  4. 
  Fuga 
  and 
  Lapac. 
  

   B. 
  Camipiin. 
  

   e. 
  Cagayan 
  Sulu. 
  

   7. 
  Panaon. 
  

  

  8. 
  Bohol 
  and 
  Sibutu 
  

  

  9. 
  Catanduanes. 
  

  

  10. 
  Romblon. 
  

  

  11. 
  Dinagat. 
  

  

  13. 
  Marinduque. 
  

  

  13. 
  Siquijor. 
  

  

  14. 
  Bakbac. 
  

  

  15. 
  Sibuyan 
  (a) 
  and 
  Tablas 
  (6). 
  

   18. 
  Calamianes. 
  

  

  17. 
  Masbate. 
  

  

  18. 
  Tawi 
  Tawl 
  and 
  Quimaras. 
  

  

  19. 
  Panay. 
  

   ao. 
  Sulu. 
  

   21. 
  Cebu. 
  

  

  28. 
  I>eyte. 
  

   28. 
  Mindoro. 
  

  

  24. 
  Palawan. 
  

  

  25. 
  NegroB. 
  ^ 
  „ 
  ., 
  ... 
  

  

  26. 
  Bamar 
  (a) 
  and 
  Baallan 
  (b). 
  

  

  27. 
  Luzon. 
  

  

  28. 
  Mindanao. 
  

  

  