APPENDIX. 
127 
Co.’s Distributor, as where I had not used it I had to drill for Turnips 
again : it was a great prevention to the Fly, and enabled me to feed 
off a very early crop.” 
The great point in method of distribution of dressing which 
makes the apparatus (as far as is at present shown) appear likely to 
meet many insecticide needs is, that, by means of a tremendous blast 
of air obtained by a gearing from one of the driving-wheels of the 
machine, the dressing, whether dry or wet, can be sent up in a cloud¬ 
like smoke or mist, of such fineness that when it settles on the leaves 
it covers the surface completely and delicately, like a fine hoar frost or 
fine spray. Thus all the exposed surfaces can be lightly and thoroughly 
covered, and the insects also struck much more effectually than in 
hand-dressing; and further, I am informed that the underside also of 
the leaves may be reached by the powerful current of air (and what¬ 
ever the air is made to carry with it) which can be thrown from the 
Distributor. 
The machine is drawn by one light horse, and is stated to be 
worked easily and without troublesome details, and if on continued 
trial it should be still found as successful in checking Turnip Flea 
Beetle it would be of great service ; but I particularly mention the 
subject here as it appears possible that some form of the application 
might be brought to bear on the Aphis attack (sometimes known as 
‘ Green Fly ’), which often in autumn destroys whole fields of Turnips 
by coating the leaves with myriads of these ‘ Aphis Flies ’ or ‘ Lice ’ 
in all stages, and making the plants one mass of filth. 
Hitherto it has appeared totally impossible to clear the plants; 
but if only the matter could be arranged of possibility of the imple¬ 
ment being drawn to and fro amongst the Turnips, then there would 
be every hope of clearing the insects. According to description of the 
action of the implement the usual insecticide dry-dressings could 
easily be given, or, if desired, a good current of moist dressing or of 
water (which in the case of this Aphis attack would be very effective) 
could be driven at the plants, and the masses of filth be cleared 
away. 
All details of the action of the implement have been placed before 
the public in the Agricultural Journals, but notes of practical results 
of trial on infested land would be very desirable, and might prove of 
much agricultural benefit. 
WHEAT-FLOUR MOTH. 
“ Wheat-flour Moth,” Eyliestia Kuhniella (pp. 66—72). — On 
making further enquiries relatively to the presence of this flour-pest 
at the Mediterranean ports, I am informed that it is prevalent there 
