- 472 - 
ILISCH, T7. (2039) 
1923. PROTECTING PLANTS AGAINST ANIMAL PESTS, FUNGI, ETC. German Paten 
484, 489. Sept. 8. [in German. Abstract in Chem. Abs. 24: 
1177. 1930.] 
The juice or extract of a plant, e.g., tobacco, which is not 
liable to attack by the pests to be warded off is introduced into 
the sap stream of the plant to be protected. 
KOBIOLKE, A. M. (2040) 
1928. VACUUM, HEAT AND POISONOUS FUME TREATMENT TO DESTROY BORER, 
LARVAE, BEETLES, ETC., IN TIMBER. United States Patent 
1,672,326, June 5. [Abstract in Chem. Abs. 22: 2635. 1928.] 
Tobacco fumes may be used in this apparatus. 
VINCENT-RENTSCH, M. (2041) 
1928. VINE VJASH. Swiss patent 131,744. Nov. 19. [Abstract in Chem. 
Abs. 23: 5001. 1929.] 
A wash for destroying vermin on vines is prepared by digesting 
tobacco with garlic bulbs and adding mineral oil to the digest. 
KONIG, C. (2042) 
1930. PREPARATION FOR DESTROYING GRUBS, BLIGHT, ETC. Swiss Patent 
140,348, Jan. 29. [Abstract in Chem. Abs. 25: 768. 1931.] 
The preparation contains tobacco extract (14 percent strength), 
ferrous sulphate, slaked lime or calcium carbide residue and ammonium 
sulphide. 
HEADLEE, T. J. (2043) 
1934. NICOTINE INSECTICIDE. United States Patent 1,958,407, May 15. 
[Abstract in Chem. Abs. 28: 4532. 1934.] 
A solution containing nicotine and substantially pure sodium 
oleate or potassium oleate is suitable for effective use even when 
highly diluted. 
4 . Species of I ns ects Named, 1901-193 3 
GARMAN, H. (2044) 
1901. ENEMIES OF CUCUMBERS AMD RELATED PLANTS. Ky. Agr. Expt. Sta. 
Bull. 91, pp. 1-56, illus. 
Against the striped cucumber beetle (Di abrotica vitta ta) 
tobacco dust and tobacco decoction have often been recommended 
by various persons (p. 9). Under remedial treatment for the 
melon aphid (Aphis gossy pii) tobacco decoction, Rose Leaf Insecti- 
cide, Skabcure Dip (containing 40 percent nicotine), Nikoteen punk, 
