trials made at the South Dakota Station of various insecti- 

 cides, strong soapsuds gave better satisfaction than any other 

 remedy and proved highly efficacious. While most fluid 



wetting them, the soap solution readily penetrated the gray 

 powdery substance which covers their body, and killed them.— 

 South Dakota A K r. Exp. St a.. Bulletin No. JO, March, 1892. 



Plant-Lice and Rtd-Spidcrs on Rose- Bushes. — Professor C. H. 

 Fernald, of the Hatch [Mass.] Agricultural Experiment Sta- 



everv twig of which was literally covered with the aphides, 

 and more or less the surface of the leaves, and also having 

 the red-spider exceedingly numerous on the leaves, were 

 inserted and held for about a quarter of a minute in a pailful 

 of kerosene emulsion, with this result : Two days thereafter, 

 examination of the bushes failed to show a single living plant- 

 louse or red-spider, and none appeared on them for the rest 

 of the season. ^ 



done in spraying for insect pests, and on some new insecticides, 



™Expe\uncntT -Jill ^Paril TincTln Tent -Caterpillars.- -Pro- 

 fessor Fernald reports that with one pound of Paris green to 

 1,000 gallons of water, all the caterpillars placed on the leaves 

 died within twelve days. One pound to 150 gallons of water 

 burned the foliage and injured the tree considerably The 

 best proportion for use on apple trees appeared to be one 

 pound of Paris green to 200, 250 or 300 gallons of water ; even 

 the last-named strength killed all the caterpillars within two 

 days. With a dilution of 400 gallons, all were dead in three 



Paris Green on the Gypsy-Moth Caterpillars. — That Paris 



the effects of di 

 ng the young 



