December, 1910.] 



Method of tapping 1 . 



m 



Ceara Rubber, 



Miscellaneous. 



Slight spiral 



Full herring bor o to wood 

 Full herringbone, knife and pricker... 

 £ spiral 



Two year old trees pricked vertically (1st time) one day after 

 removal of outer bark and thence every day until the whole 

 circumference was completed 



Weight Weight 

 No, of tree-i of bis- of scrap. Total 

 cuts. cuit. grms, grms. 



grms. 



Average per tree 

 for a month's 

 tapping. 

 1312 

 11-62 



24- 09 



25- 70 



37-76 



Method of tapping Row. 



Average 

 per tree. 











JrLOZ to. 











Full herring bone 



A 



31 



13 820 





350 



1170 



37 74 



5 spiral left to right 



B 



43 



13 1372 





497 



1269 



43-45 



| spiral right to left 



C 



31 



13 880 





410 



1290 



4161 











Plot 79. 











Vertical channels and 



A 





1145 





1245 



2390 





pricking 





B 



50 



10 1040 





1320 



2360 







c 





355 





515 



870 













Plot 81. 











Full herring bone 



A 



31 



13 1667 





385 



2052 



66-19 



\ spiral left to 



right 



B 



20 



13 1155 





310 



1465 



50 51 



\ spiral right to left 



C 



27 



13 995 





270 



1265 



45-85 











Plot 82. 











Full herring bone 



A 



34 



13 1575 





555 



2130 



62-64 



h spiral left to 



right 



B 



39 



13 1135 





255 



1390 



35-64 











Plot 88. 















A 



A. 



19 



13 715 





355 







Opposite quarters 



T3 

 J > 



14 



13 315 





190 





oo OD 







n 



17 



13 325 





375 





'X".9(l 



oo £.\y 



No. of 







Weight of Weight of 



Total 





Row. tappings. 



Trees. 



biscuit.grms. scrap, grms. 



grms. 



Average 











Plot 78. 











A 



14 



31 





770 



445 





1215 



39-19 











2090 ec. 











B 



14 







1245 



















3425 cc. 



563 







4204 



C 



14 



61 





830 



















2408 cc. 



547 





1377 



4 4 4 1 



44 41 











Plot 79. 











A 



13 







367 



887 





1254 





B 



13 



yo 





422 



945 





>OK)i 



sura 



C 



14 







1000 



1675 





2075 













Plot 81. 











A 



14 



31 





1859 











B 









7364 cc. 



292 





2151 



69-39 



14 



29 





1217 



















4143 cc. 



305 





1522 



52'48 



C 



13 



27 





820 



















2725 cc. 



277 





1097 



40-62 











Plot 82. 











A 



14 



34 





1443 



312 





11755 



51-61 











5155 cc. 



















Plot 83, 











A 



13 



19 





599 



672 





1271 



©3-89 



B 









1615 cc 









13 



14 





320 











C 









960 cc. 



218 





538 



38-42 



13 



17 





692 

















1115 cc. 



287 





975 



57-35 



