DIAMOND-BACK MOTH, 111 



cuticle of the leaf remaining, and often tliey were eaten completely 

 through. — Ed. 



Mr. Eobt. W. Smith wrote : — " Herewith I send you leaves of 

 Turnip, with specimens of caterpillar, which has on some farms in the 

 neighbourhood entirely destroyed the Turnip crop, and is fast destroying 

 it on my own." 



Beplies to inquiries in circular (see p. 110), August 10th : — 



(1). "I have had no root-crop quite destroyed, but the estimated 

 produce per acre of Kohl Kabi has been lessened 75 per cent., Swedes 

 and white Turnips 50 per cent., and yellow Turnips 25 per cent. 

 Loss, £60. 



(2), " I tried 5 cwt. of dissolved bones per acre, put on each plant 

 by hand, without effect. Before applying the bones I had tried 

 sulphur and lime (after scuffler with boughs on), fumigation with 

 sulphur, Paris-green mixed with water, and Little's non-poisonous 

 sheep-dip ; all likewise without effect. 



(3). "I think that heavy rains do good by ' soiling' the under side 

 of the Turnip leaf, and making it rather difficult for the caterpillar to 

 work ; also by alarming them, or washing them off. 



(4). " Clay-loam. Not autumn cultivated. Ploughed deeply in 

 autumn and twice in the spring. Half of Kohl Eabi was farmyard- 

 manured, but no difference is to be seen between the manured and 

 unmanured parts. Dissolved bones and half-inch bones were drilled 

 with Kohl Kabi and Turnips. No salt was used. 



(5). "The first half of the autumn was dry (very), and the latter 

 half was very wet. No particular weed was unusually noticeable. 



(6). " No Charlock in neighbourhood. 



(7). "I think the Starling. Infested crops have been much fre- 

 quented by Books." — E. W. S. 



Spikers Hill, West Aijton, Yorkx., July 21st. From Mr. John P. 

 Darrell, for Mr. T. Darrell. — "Enclosed I send you specimens of 

 caterpillars, which are eating up all Turnips and Swedes in this 

 locality. ... At present the brutes are eating all in front of them." 



LebberstoH, near Filey, Yorks., July 24th. From Mr. John P. Darrell, 

 with specimens accompanying. — " I find, since I wrote to you the other 

 day, the caterpillars have somewhat abated ; we have had some nice 

 showers, and it seems to strengthen the plants." 



Eeplies to inquiries in circular (see p. 110), August 11th: — 



(1). " The caterpillar pest is about over in this district, and not 

 before time, as they have completely ruined the Swede crop ; there 

 will only be a half-crop. I find Turnips have not suffered nearly as 

 much, and look fairly blooming. 



(2). " The method I found to ansAver best, a^iid the least cost, was 

 using a scuffler with thorn boughs attached in front, and set so as to 



