578 
2. Poisoned Baits—locust and cut-worm baits—Sawdust 
may be substituted for the pollard. In localities 
where they abound, it is advisable to kill them 
before planting trees, using arsenic in an insoluble 
form lest roots be poisoned, 7.e., Paris Green— 
arsenite of lead or arsenite of lime. The bait is 
placed in holes near the stems of attacked plants 
covered to exclude light. Damp bags sprinkled 
with poison bait and buried under new houses 
attract foraging parties. 
3. Cinders with ashes with a surface dressing of tar 
under houses is said in some cases to act as a re- 
pellant. 
5. In Jamaica the following paint is recommended :— 
White Lime ree Sas doll «. 6 qts. 
Kerosene... fen nes ww. & pt. 
Turpentine ... ae Pas bie .. 1 wine glass. 
Soft Soap ... ese Be i «. 5 Ibs. 
Cow-dung ... sea a eee .. «638 qts. 
Water xa 16 qts. 
Mix thoroughly and, soply freely with a paint or white- 
wash brush to trunks of trees or stems of plants 
requiring protection. The mixture adheres to the 
trunks and branches of the trees for a long time, 
but when it peels off the bark beneath is clean and 
free from pests. 
6. Carbon bisulphide poured in with a funnel into an 
augur hole towards the top of the nest or mound ; 
the heavy fumes sink into the ground. If smoking, 
beware of explosions. 
7. A plug of dynamite with a length of fuse attached— 
but no detonator—inserted into a gallery and then 
lighted. No explosion takes place but the dyna- 
mite burns away giving off a poisonous gas. 
8. Also kainit well dug into the soil, For garden plants 
watering frequently with a solution of bluestone 
z.e., lb. in 50 gallons water, does not appear to 
do the plant any harm. 
PLant APHIS AND Bark Lice. 
are among the most numerous, both as regards species and indi- 
viduals, of all known insects, and the destruction caused by them 
is commensurate with their numbers. There is scarcely a plant 
that is not attacked by them, and some like the grape, peach, 
apple, cherry, orange, and cabbage, etc., have aphis peculiar to 
them. 
They are all small, soft-bodied insects, with a body more or ess 
pear-shaped, the winged forms having two pairs of delicate trans- 
