﻿34 



The Philippine Journal of Science 



1914 



Table XXIII. — Rats destroyed on vessels by sulphur fumigation. 



(Fiscal year 1912.) 









Found in- 













Vessels 



fumi- 



Month. 























g'ated. 



Steamers. 



Schooners. 



River cr 



aft. 



All vessels. 



tn 











■a 





1 



i-o 







■o 







'O 







1 

 ^ 



en T- 







Is 



V 

 « 



§ 



a 



is 



Is 



u 



i 





bo 



B 



w 



1 



2 



o 



1 



July _ 



51 



165 



216 



6 



49 



55 



4 



16 



20 



61 



230 



291 



24 



5 



29 



August .-_ 



125 



211 



336 



5 



9 



14 



14 



11 



25 



144 



231 



375 



40 



fi 



46 



September 



51 



98 



149 



37 



46 



83 



4 



7 



11 



92 



151 



243 



25 



9 



34 



October... 



66 



75 



141 



3 







3 















69 



75 



144 



11 



2 



13 



November 



46 



87 



133 



174 



32 



206 







1 



1 



220 



120 



340 



16 



1 



17 



December. 



45 



174 



219 



1 



7 



8 











1 



46 



181 



227 



13 



7 



20 



January .. 



22 



108 



130 



17 



16 



53 



6 



14 



20 



45 



158 



203 



36 



11 



47 



February . 



100 



193 



293 



9 



10 



19 















109 



203 



312 



22 



5 



27 



March 



84 



459 



543 



3 



5 



8 



4 



5 



9 



91 



469 



560 



29 



10 



39 



April 



70 256 



326 



10 



16 



26 



3 







3 



83 



272 



355 



18 



6 



24 



May 



27 1 170 



197 



40 



38 



78 



1 



4 



5 



68 



212 



280 



25 



4 



29 



June 



Total.. 



26 1 37 



62 







8 



8 



4 



7 



11 



29 



52 



81 



13 



7 



20 



712 2.033 2,745 



1 i 1 



305 



256 



561 1 



1 



40 



65 



105 



1,057 



2,354 



1 



3.411 



272 



73 



345 



Table XXIV. — Kinds of vessels on which rats and mice were destroyed. 



(Fiscal year 1912.) 



Kind of vessel. 



Number of 

 vessels. 



Number of — 



Average number 

 in all vessels. 



Average number 



in vessels having 



rats. 



Percent- 

 age of 

 vessels 

 having 

 rats. 



Total. 



Hav- 

 ing 

 rats. 



Hav- 

 ing 

 no 



rats.^ 



Mice. 



Rats. 



Rats 

 and 

 mice. 



Mice. 



Rats. 



Rats 

 and 

 mice. 



Mice. 



Rats. 



Rats 

 and 

 mice. 



Steamers 



Schooners 



River craft . 



223 



72 

 50 



175 

 57 

 40 



48 

 15 

 10 



712 



305 



40 



2,033 



256 



65 



2,745 

 561 

 105 



3.19 

 4.24 



0.80 



9.12 

 3.55 

 1.30 



12.31 



7.79 

 2.10 



4.07 

 5.35 

 1.00 



11.62 

 4.49 

 1.62 



15.69 

 9.84 

 2.62 



78.48 

 79.17 

 80.00 



All vessels. 



345 



272 73 



1,057 



2.364 3,411 



3.06 



6.82 



9. 88 3. 89 



8.65 



12.54 



78.84 



