480 



The Philipimie Journal of Science 



19U 



Table XIX. — Amnial diameter groiuth of Shorea teysmanniana (tiaong) . 

 Northern Laguna forest, Laguna Province, Luzon — Continued. 



No. of trees in class. 



Diameter class in centimeters. | 



40 to 50. 50 to 60. 



70 to 80. 



^f^- Growth. ^,^- Growth, 

 eter. i i eter. 



1 



Diam- /-,„.^.. 

 eter. Growth. 



1.- 

 2- 

 3- 



4 





1 1 

 48.7 ! 0.099 ' 56.0 0.395 



49.3 1 0.000 { 52.6 0.493 



40.6 j 0.724 53.1 0.427 



72.9 

 70.5 



1.332 

 0.888 



46.3 j 0.772 

 46.5 ! 0.460 



( 







5 



1 







6 



43.6 0.865 

 49.9 0.412 

 44.6 1.032 



1 ... 



__J i 



7 







8.. 

 9- 

















10 i i ..... 









11 ...1 





i 



12 1 





i 



13 Ill 





""i 



14..... i 



1 





15 . i 



) 





16 _ 







17.. 1 1 .„. 



j 





Total 



1 Average 



Years in claas 



1 1 







1 4.354 1 1 1.315 



i 0.544 1 i 0.429 



18.3 ' 23.3 



! 2.220 



..-1....1 1.110 



9.0 j 



Table XX. — Annual growth of Shorea polyspenna (tanguUe) . Northern 

 Laguna forest, Laguna Province, Luzon. 



[Wameter and growth are given in centimeters.] 



No. of tree in class. 



Diameter class in centimeters. 



to 10. 10 to 20. 



1 



1 

 20 to 30. 30 to 40. 



1 



Diam- r~»nrH. Diam- 

 eter. Growth, gjgj. 



1 1 



Growth. 



Diam- 1 r-^-,^y. 

 eter. G'°'^h. 



1 



Diam- n^^^v. 

 eter. Growth. 



1.. . ... 



7.0 0.312 



19.4 



0.132 



20.3 0.148 



29.4 0.460 

 26.7 0.606 

 26.7 j 0.164 

 28.0 I 0.955 



32.8 

 38.6 

 3L6 



0.197 

 0.668 

 0.132 



2 



8.7 ! 0.231 



13.8 0.411 



3 



4 



^;: :::::::::: ;:;:t 



35.2 



n.fiio 



5 



1 ! 1 





6— 



1 



24.5 0.313 





7 . 



1 



24.4 i 0.263 

 24.2 ' 0.263 



1 



8. 







---|--- 



9 









21.6 i 0.263 

 24.4 1 0.526 





10.... 



1 









Total. — 



Average 



Years in class 









1 



0.543 



0.271 



36.9 



1 0.643 



! 0.271 



36.9 



1 3.963 j 1.497 



\ 0.396 1 0.374 



25. 3 26. 7 



