624 
Remedies.—Spray with Nos. 7, 10, 14, or 15 (see page 528). 
In the open it is not likely that any spraying in the future will be 
necessary, but will in case of plants growing indoors, for when the 
ladybirds are liberated indoors they will at once fly to the light and 
try to make their escape. and are often exhausted and perish before 
they become reconciled to their confinement. 
Dactylopius cttri. 
«, an egg; b, larve; e, first, d, second stage of male; e, 
male; /, dosral view of female; all greatly enlarged. 
(After Berlese). 
SNAILS AND SLUGS. 
Dust the plants with air-slaked lime with some tobacco dust 
added. Where fowls or ducks are not kept, arsenical bait placed 
about the garden is readily eaten, and is an excellent measure. 
Dueks are excellent scavengers where they can do no harm. Traps, 
such as boards or bags, placed over the moist ground and inspected 
in the morning, when the slugs are collected and thrown in a bucket 
with salt water. 
THRIPS. 
The members of this order have four wings; these are similar 
in form, very small—one twentieth to one twenty-fifth of an inch— 
long, narrow, membranous, not folded, with but few or no veins, 
and only rarely with cross veins; they are fringed with lo hairs, 
