ORGANIC POISONS 255 



REFERENCES TO SECTION II. 



CARBON BISULPHIDE. Singer, Journ. Soc. Chem. Ind., 1889, p. 93. 

 PETROLEUM. " Paraffin Emulsions," Journ. Board Agric., 1914-15, 

 P- 732. 



Duncan, " Insect Pests and Plant Diseases in the Vegetable and 

 Fruit Garden," p. 38 (Constable). 



SOAP. Eyre, Salmon and Wormald, " The Fungicidal Properties of Certain 

 Spray Fluids," Journ. Agric. Set., 1916, p. 463 ; 1919, p. 283. 



TAR PRODUCTS. Allen, " Organic Analysis," vol. iii., pp. 346-389. 



Boulton, " Antiseptic Treatment of Timber," Journ. Soc. Chem. 

 Ind., 1884, p. 622. 



Collins and Hall, " The Use of Coal-tar Creosote and Naphthalene 

 for Preserving Wooden Fences," Journ. Soc. Chem. Ind., 1914, p. 466. 



Collins, " A Portable Plant for the Distillation of Wood," Journ. 

 Soc. Chem. Ind., 1917, p. 68. 



TOBACCO. " Growth and Extraction," Journ. Board Agric., 1912-13, 

 pp. 486, 491, 1040. 

 Collins, " Plant Products " (Bailliere, Tindall & Cox), p. 154. 



PYRETHRUM. Shaw, " Market and Kitchen Gardening " (Lockwoo'd), 

 p. 412. 



Yamomoto, " The Insecticidal Principle of Chrysanthemum Cine- 

 rarifolium," Journ. Chem. Soc., 1919, A. i. 465 ; Journ. Soc. Chem. 

 Ind., 1919. P. 790 A. 



HELLEBORE. Newsham, " The Horticultural Note Book " (Lockwood), 

 P- 379- 



GENERAL. Lodeman, " The Spraying of Plants," pp. 115-180 (Macmillan). 



