﻿U. 
  S. 
  NATIONAL 
  MUSEUM 
  

  

  PROCEEDINGS, 
  VOL. 
  XX 
  PL. 
  LX 
  

  

  3 
  45 
  6 
  

  

  CURVE 
  V. 
  

  

  Distribution 
  Chart 
  showing 
  Relationship 
  between 
  Percentage 
  of 
  Species 
  distributed 
  in 
  accordance 
  with, 
  and 
  those 
  distributed 
  in 
  Opposition 
  to, 
  Steere-s 
  Law, 
  and 
  Number 
  of 
  Species 
  of 
  non-migratory 
  Land 
  Birds 
  

  

  KNOWN 
  FROM 
  EACH 
  ISLAND. 
  TWO 
  UNITS 
  OF 
  HORIZONTAL 
  SPACE 
  ARE 
  GIVEN 
  TO 
  EACH 
  SPECIES. 
  

  

  1. 
  Bazol. 
  

  

  2. 
  Cuyo. 
  

  

  3. 
  Sakuijok. 
  

  

  4. 
  Caniiguiii. 
  

  

  5. 
  Fufja 
  and 
  Lapac 
  

   C. 
  Cagayan 
  Sulu. 
  

  

  7. 
  Panaou. 
  

  

  8. 
  Bohol. 
  

  

  9. 
  Slbutu. 
  

  

  10. 
  Roniblon. 
  

  

  11. 
  Catanduanes. 
  

  

  12. 
  Dinagat. 
  

  

  13. 
  Marinduque. 
  

  

  14. 
  Balabac. 
  

  

  15. 
  Sibuyan. 
  

  

  16. 
  Tablas. 
  

  

  17. 
  Siquijor. 
  

  

  18. 
  Calamianes. 
  

  

  19. 
  Uuimaras. 
  

  

  20. 
  Masbate. 
  

  

  21. 
  TawiTawi. 
  

  

  22. 
  Siilu. 
  

  

  23. 
  Panay. 
  

  

  24. 
  Cebu. 
  

  

  25. 
  Leyte. 
  

   20. 
  Mindoro. 
  

  

  27. 
  Basilan. 
  

  

  28. 
  Palawan. 
  

  

  29. 
  Ne^os. 
  

  

  30. 
  Sainar. 
  

   81. 
  Mindanao. 
  

   32. 
  Luzon. 
  

  

  