ANALYSKS MK I N>K< ' TI < "I I >KS AND I-T N< i I ( I I ) !:>. 51 



Composition of potassium fi/milif. 



[NO. lITii. I A- \V.] 



IVr edit. 



Id. jj 



Potassium _>!. |s 



Sodium _:;. 74 



Chlorin s. 



Carl'onic aci.l ra.lical I. '.is 



Moisture . S'J 



100.00 



The al)o\ -e analyses show that both samples of potassium cyanid an- 

 very impure, although the second sample contains just about the 

 amount of cyanogen demanded by theory. 



NoM'OlSONors I'OTATO-Urci DKSTKOYKK. 



Composition <>f nonpoisonout potato-bug </t'x/rtn/i r. 



[No. l:i7.j 



I'cr cent. 



Moisture 0.00 



Nitrogen 08 



Ash 7i>. sr> 



Potassium oxid 00 



Calcium oxid 68. 20 



Magnesium oxid 7. L'i 



Ferric oxid and alumina 1 . 38 



Phosphorus pentoxid Trace. 



Insoluble before calcination 7. L". 



Insoluble after calcination 1 . r>( ) 



As this analysis is not complete, no opinion as to the substance^ of 

 which the mixture is composed can be expressed. 



XOXPOlSONors INSECT EXTERMINATOR. 



[No. 151.] 



This sample contained 78.12 per cent of lime and 3.61 per cent crude 

 carbolic acid, determined as ether extract. It had an odor of carbolic 

 acid and appeared to be partly composed of carbolate of lime. 



X. O. DUST. 



[No. 176.] 



Composition of A*. 0. Dust. 



Per cent. 



Moisture 6. 98 



Organic and volatile matter 53. 69 



Carbon dioxid 3. 40 



Carbolic acid.. Trace. 



