52 INSECTICIDE STl'DIKS. 



iVr cent. 

 Mineral matter ............................................... 39. 33 



Sand .................................................... 14. H<> 



Ferric oxid and alumina .................................. 2. 47 



( 'alcin in ox ill ........................................... 17. 10 



Majrm'siuni oxid ........................................ 2.09 



Phosphorus pentoxid ...................................... 40 



Potassium oxid ........................................... "2. "> s 



This mixture appears to be partly composed of carbonate of calcium 

 with an excess of lime. No opinion as to the character of the organic 

 and volatile matter can he based upon the data given. exclusive of the 

 carbolic acid alreadv mentioned. 



4 



KI.KCTKH 1 VKK.MIX KXTEKM I XATOR. 

 [No. 197.] 



This insecticide is chiefly a mixture of calcium carbonate and cal- 

 cium hydroxid with a very small amount of organic matter. Upon 

 examination in this laboratory the organic matter present was found 

 to consist of carbolic acid. 



TAK' oimr.M. 



[No. 281.] 



From the analyst's report this product would appear to consist of 

 silicate of iron mixed with calcium sulphate. The analysis does not 

 show the presence of sulphur and tobacco, both of which were found 

 on examining a sample of the product in this laboratory. 



AXTIXOXXIX. 



[No. 2S2.] 



A qualitative test of this substance showed that it contains dinitro- 

 . together with soap and glycerin. 



MISCKLLANKors U^l U> INSKCTH'IDKS AM) FIN< \ K 'I I >!>. 



KOU.KXK IXSK<TICII)K. 



of xii//tf,l t '* A'ox. .',<>:>, /;;.;, r,'t~>. 

 [No. :{o:.. ] 



I'tT crtit. 



Carbon liisiilphi*! ............................................. 47. S 



Mineral and -s-ntial oils ..................................... ll*. L' 



Watt-rand i-t-sidur ............................................ 40.0 



This analy>i> was made in accordance with the Tr\a> law (>cc p. 61) 

 regulating the sile <>t' Paris Green and other insecticides and U good 



only until May 1 



