GRAPE MANUAL, 29 
anee other plants, they perish. We thus have the 
pectacle of aspecies uae wasting itself toa greater 
or ts extent, just as in the vegetable kingdom most 
species produce a superabundance of seed, the larger 
i i i s in 
while mber a 
bate in the fe tea of Rae idebei interven- 
ing between our vineyards.” 
Under the pune of a wre reward (800,000 francs) 
appropriated for y the French Govern- 
ment, Sead pie aay ey proposed and ex- 
periments einnde during the last five years | bu t no rem- 
edy has 
pag or is “ppb to all conditions of soil. Submer- 
sion is an efiica s remedy, nm most and espec- 
Boe on ae beer hilly viens sass is imprac- 
ticable. An admixture of sand in the soil is also of 
service, as the root-louse oe a thrive on sandy soils. 
Sulp h bonate of potassa and coal-tar are now men- 
port o 
pote in 5 ee to 1874, states that manures 
nitrogen, mixed with alkaline or earthy s sulp! 
an 
nia and hich treatment 
8 soils; and ‘és none this porosity he 
shui raising the soil from a great 
plat: witout crite _ = He then p 
hal foot of the stock and irri- 
ite) A gas is is ~ ee by the mer ga which oa 
stroys great a. polars enti g 
ers seem not to believe inal 5 Saeupliciaes, 
or consider them hapten too costly, and their ap- 
however, im n of our vines and cuttings has 
been prohibited by law, to prevent the introduction of 
the dreaded insect. 
While this may be a wise precaution where the in- 
not exist, we fear that it comes ftoolate. Its 
existence hese veral years in an in England also, 
and its having heen discovered i 
aoe localities paste a tend to thwart the 
very object of na prohibition, which i the 
German vine i tlotta Riley and Planchon 
pe detsbitished the ra that the insect is indigenous 
tin 
pee and there is little doubt but that it was first im- 
po A can vines, Yet it must 
not be su ines ln - 
sarily infested with Phylloxera, or that the insect has 
been ro in every tocali ty*w here our vines have 
been On the con ere are localities 
where, ant ris ides sere of the vineyards, or the 
nature of the soil, it is difficult to find the er. and 
like many other indigenous nat dh it is in so 
very numerous ave ng = others er to be 
seen. There is no positive evidence yet that it ca 
imported on calles: thbtch ae transport is not a 
possible. It should be Ser ad also that vines im- 
ported in late winter or early spring, cannot possibly 
carry the insect, even if infected, in any other than the 
egg or larva form; as no win, 
P 
cases, 
prohibiting the importatio 
nou-infected oe. it would seem unwise to 
from those districts oe oa the use x) bsgead 
i i t’s attacks 
on tha’ insect would’ voted Oe ee 
pao. unpacked were placedin . 
a bath of strong anneal: he ee ess of the evil, 
however, even justifies wile meas 
THE GRAPE LEAF-HOPPER. 
(Erythroneura vitis.) 
A ag generally but erroneously called spotted ee 
as to deal with. It is avery active lit ttle ap 
ning sideways like a crab, and dodging round catckly 
peg nai) men tcieooam spproached 
illin, 
these leaf-hoppers w rusty and sickly 
appearance, while the leaves often drop gprs! 
and the fruit in consequence fails to ripen. Ther 
several species attacking the Vine—all belonging ee aes 
same genus, however, and only differing } incolor. The 
natural history of this insect is not perigee eg entom- 
olo Herrin but Prof. Riley i eggs are 
t into the leaf-stems. Tobacco- ee and soap- 
vy are “ynegaripee ay in the books, to be syringed on 
the vines a remedy; but we would recommend 
smeurin, stakes in Spring with soft soap or other 
sticky substance, and burning the leaves in the Fall 
— hoppers fly to the light of toreh 5 a hey 
mei nchecking ee face ch remedy 
is most effectual when three persons work in company, 
en re Nonge wine the torch, and one on 
ps betw 
rther side rows to give the trellis a 
ike shake wad pa ae hoppers. 
Tue GRAPE LEAF-FOLDER. 
(Desmia le 
= te is a worm of ag pn 85 eolor, very active, 
riggling, jumping and jerking either way at ever 
rice it folds rather than vols the leaf, by fastening 
The 
Keune b 
i Peak Cai the fold of the leaf. The moth is 
conspicuously marked a black pre white, all the 
eles being bordered and spotted as in the annexed 
