RECENT WORK WITH HYDROCYANIC ACID GAS 209 
and home consumption, and more healthy and vigor- 
ous trees found in our fruit-growing districts. In 
most cases the fumigation was successful wherever 
experiments were conducted, and there can be no bet- 
ter proof than that the growers are adopting this 
method of destroying scales more and more as they 
become acquainted with its advantages.”’ 
Various materials have been used for making tents. 
Mr. Allen thinks that tents made of sail-cloth will be 
found durable and economical. We reproduce here- 
with the table, compiled by Mr. Allen, for the various 
amounts of chemicals to be used in orchards in New 
South Wales. 
ALLEN’S FUMIGATION TABLE FOR NEW SOUTH WALES 
ORCHARDS 
RS N 
Ralieale ce a | 8 x Rew eee atlecscal sale 
S| s 8 S 8 a =] 8 8 Sy S aS 
3 | bo SS SI N N aS) bo = = N S 
oz. | oz oz oz. | oz oz 
4| 4 4g | ag ag aagil inf gs | ess |) siz | 89 
4| 5 a4 | ig| &] 14/| 11) 9] 735} 384| 3871 10 
4 6 65 % 4% 144}} 11 10 817 4 12 
Bile ts gs | fel “Se\) diel] 12] in| © ges |) ate | ase || 13 
&6| 6| 1) $1 i} dhe 11 | 12] 980 | 454] 45,1) 14 
Baer a8) | 4g | hel ase|| sah|ias |) aiosagl Big Big | 1s 
Bile Gil tab Sg I Sah Sl An) aallll pega Neeea hres, bi 17 
6 ve 170 ul 1 246|| 12 8 778 334 334 10 
6 8 195 1 1 244]| 12 9 875 446 4 13 
ve 7 232 14 114 3 12 10 972 434 434 14 
if 8 265 1144 1% 3 12 11 1,069 54 514 15 
tf 9 298 1% 1 4 12 12 1,168 534 534 if 
s| s| 346 | 18| 13%] 5 || 12] 13| 1.2641 6 18 
8 9 389 134 134 5 12 14 1,361 634 634 19 
8 10 432 244) 24 6 12 15 1,458 714 (tA || Al 
9| 8| 437] 21 2%| 6 || 13] 8| ‘o47 | 416] 416) 18 
9 9 492 246 26 Uf 13 9 1,02 5 5 15 
9| 10| 547 | 234 | 284| 9 || 13| 10| 12141 | 534| 5341 17 
9 11 601 3 9 13 11 1,255 614 614 18 
10 8 540 234 234 9 13 12 1,369 63% 634 19 
10 9 608 3 9 13 13 1,481 1% 7 al 
10 10 675 34 3% 9 13 14 1,597 8 8 24 
10] 11] 743 | 384| 384] 10 || 13] 15| 1.711 | 816| 8% | 24 
10 12 810 4 4 12 14 8 1,050 544 544 15 
