THE GARDENERS' MAGAZINE. 



ui nal " of the Board of Agri- 

 ;tober there appears an article 

 of Professor F. V. Theobald, 

 1 this subject. The article is 

 3 in many respects, and few 



wo seasons, 1908-09 and 



details the inse<;ts it is 

 caught on the grea^ 



the moths 

 then goes on 

 h were actually 



present season, I intend to keep a careful 

 watch to see how many are caught and 

 what damage results in the spring from the 

 attack of Winter Moth larvae. 



Another disturbing factor is that a less 

 width than 6in. failed to stop the moths, 

 or, as the writer puts it, " formed an im- 

 perfect barrier " ; presumably this also was 

 proved by double banding, though the fact 

 is not stated. "For good quality British 

 and German greases, a 7in. band is un- 

 doubtedly wide enough, but the gr 

 cover most of the band. If the gr 

 a thin, mferior one, the band must 

 least lOin., and a good 2in. of pap 

 below to catch the run of the greas( 

 this year 



which I ha 

 but I ha 



usLd li.n^e _been^li. 



io';i.s'z 



., also for 1909-1910. 

 liree months most of 

 themselves well, h 



classed as "dry" or "dry on wind-: 

 In the second case, for the last four nu 

 however, the results prove the weakm 

 many of the greases. By the end ot 



thor uniformly praises in hifi 

 American Bird-hme greas 

 In a footnote it is state 

 ase was put direct on to ll 

 remained " tacky " for te 



ch. 11]) to the i)resent. tlie antho- 

 . the Board of Agriculture and tlic 



Tydaeas and Gesneras. 



