106 BIBLIOGRAPHY OP ECONOMIC ENTOMOLOGY. 
1777. Wickson, E. J. Killing tree ants. <Pacific Rural Press, 15 
March, 1902, p. 183. 
1778. Wickson, E. J. Old scars of woolly aphis. Prionus borer and 
lilac moth. Kerosene emulsion for chicken lice. <Pacific 
Rural Press, 22 March, 1902, pp. 198-199. 
1779. Wickson, E. J. Wood ashes and woolly aphis. For red spider. 
<Pacific Rural Press, 29 March, 1902, p. 215. 
1780. Wickson, E. J. Spray treatment for canker worms. <Pacific 
Rural Press, 12 April, 1902, p. 217. 
1781. Wickson, E. J. The codlin moth: trap or spray. <Pacific 
Rural Press, 19 April, 1902, p. 263. 
1782. Wickson, E. J. Twig-boring beetles and pear blight. <Pacific 
Rural Press, 26 April, 1902, p. 279. 
1783. Wickson, E. J. Vine hoppers. Pear blister mite. Insects on 
rose bushes. <cPacific Rural Press, 3 May, 1902, p. 295. 
1784. Wickson, E. J. The grape-vine Hoplia. Bees and pear blight. 
<Pacific Rural Press, 10 May, 1902, p. 311. 
1785. Wickson, E. J. Brown apricot scale. Wood ashes and woolly 
aphis. Flea beetles in garden. <cPacific Rural Piess, 17 
May, 1902, pp. 326-327. 
1786. Wickson, E. J. Leaf aphis and cottony cushion scale. <Pacific 
Rural Press, 24 May, 1902, p. 342. 
1787. Wickson, E. J. Black scale on shrubbery. Watermelon 
aphis. <Pacific Rural Press, 31 May, 1902, p. 359. 
1788. Wickson, E. J. Treatment for leaf lice. <Pacific Rural Press, 
14 June, 1902. 
1789. Wickson, E. J. The grasshopper problem. <Pacific Rural 
'Press, 28 June, 1902, p. 422. 
1790. Wickson, E. J. Polycaon in grape vines. Melon aphis. 
<Pacific Rural Press, 28 June, 1902, p. 423. 
1791. Wickson, E. J. Grasshoppers. Plum aphis. <Paeific Rural 
Press, 12 July, 1902, pp. 18-19. 
1792. Wickson, E. J. Compressed grasshoppers suggested. <Pa- 
cific Rural Press, 19 July, 1902, p. 35. 
1793. Wickson, E. J. Cherry slug. Cabbage lice and cabbage worms. 
Cucumber and melon beetles. <cP&cific Rural Press, 26 July, 
1902, p. 51. 
1794. Wickson, E. J. Black scale and shot-hole. Vinehoppers. 
<Pacitic Rural Press, 9 August, 1902, p. 83. 
1795. Wickson, E. J. Apple leaf aphis. Peach moth in almond. 
Kissing bugs. <Pacific Rural Press, 16 August, 1902, p. 99. 
