THE GARDENERS 1 CHR0NICL1 



[Sept. 



Fortunately the* 



■ 



-' ■ 

 although it he possible that prices v 



.. 



i produced so much distress thr 



e the liberty, my Lord, of forwarding a statement c 



Xg°™hVo Observations of a very intelligent agr 

 turistf a fellow countryman, Mr. James Loudon, 



: Mr. James Loudon, of Weilga, 

 first to affect the underside of 



: 



xk brown or black. At this stage of t 

 abers are still apparently quite sound 



i'begiTto/ro? tne™khTde5) •ing'first* and by 



(Signed) * Gust, du Pl. 



■ A I.-.-, t ■ 



= „,! .,„,?:, , f Wheat-, number , 

 corn m a wnoie 



: -j of ; 



Kirhj says that he had seen 



grubs in a single ear, but 

 - 



>ass at the bottom of the va. 

 figure 5 represents a nearly hi 



of the flowers. Our figure 6 represents the upper side 

 of the anterior segments of the body of one of these 

 larvre. The head is extremely minute, and the only 

 appendages which we could discover were two exces- 

 sively small fleshy tubercles, probably representing 

 the question of the mode of feeding, from our ignorance 

 of the organisation of the mouth. On the first, fourth, 

 pair of minute fleshy tubercles towards the sides of the 

 parent skin, which may probably be the muscles foi 



by bending the tail beneath the body these points art 

 brought to act upon the under side of 



y of the body t« 



■ Mi:;.- 



ENTOMOLOGY. 











■■ 



ve promised to give 













Teims (Cecidomyia 







,,. OuroWma- 







' 



■■ ■ k 





ve have no doubt 







M.utiii the.-eouel 



'- - 

 The Rev. W. Kirby, who gave m account of this 



l : amount to about 5 coombs, 

 part of the crop, and Professor Henslow ,\ 

 " Report on the Diseases of Wheat," (London, 1841, 

 p. 2.< ), that it may perhaps be thought u: 



•-■■ ■ '■: 



tble himself about it. About 

 _<i \< .u -.'.;>. . >"■< v r, tne insect was much more de- 



- -:■• :<:-•: 



I dit, p. 820). In America, 

 far more obnoxious. We are indebted to Dr 



... ... . . .. ..... . .,.,.;_ 



Agricultural S injuries com- 



• I e far more extensive. « In 



' . . : ' ■-.....,-..., .,... !( ■.;,', 



destroyed by it as to lead to a general abandonment of 



famine bade fan oe Farmer (vol! 



xiv., V . ■-') .-: : •, ; .:t a 'million of dollars, nay, more 

 damage it has done to the 



■..■/ ■• . . ■•■;;■■ ■ - ■ :• ; - - ; ■ . 



. . - ,'■' .: .- 



part of Vermont the amount of destruction caused by 



This blows in the ear of 

 ugh a pocket microscope, 



usSwed.— W. r eBW -»»dfcB*. 



BRITISH ASSOCIATION. 



This open part of the peristoi 



ater plants. 



■ ■ 



° n gi r «s e origin 



Thwaites.— Li the early part of last month 1 . .. 

 good fortune to discover examples of Eui. \, r. 



ST"* 



Gomphoi 



&* 



. eudochrome 



which is the sporangia 



/ / / ~"-^££>*-^- ordin 



/ / / t ■ /H [finds egress and co, 



^/^Vik^ FA / ofwhich a cell-mem 



££ 'IP* ^§^ ' \ L J spora 



: 



,a';u!at-.::' ' 



. : - ■:'■:■■ '. ■" ' ',"' " .■ ■'- • ■ •■ ■■■■' ■ ■■ . • •; 



» Wheat and descend to the ground* 

 n within the scales generally lying with 



ction, founded upon the knowledge of thi 

 r economy, which appears to us the mos 

 I any yet proposed, namely, the use of ; 



en threshed), by which means, vast quan 



} insects which had remained within th 



.y be caught and destroyed (see Gardener i 





autumn and vv int. 

 be the only person 



closely resembles the figure of the pupa of Cecidomvi; 

 Pint, given in « Westwood's Introduction," vol. 2, fig 



takes place, shortly after which the author of all tail 

 mischief appears in the shape of a minute delicate 

 limbed two-winged fly, systematically known under thi 

 name of Cecidomyia Tritici, which may be seen ii 

 warm still evenings about the beginning of June, hover 



minute Hymenopterous parasites ; 



i cell-wall of " 



'■ ' -;■■■' : ' 



he Desmidit 



ow surely scarce, 

 le Desmidiere and Conjugal 

 isposed to do. 

 Professor Edward Forbes re 



.,,.;. it:.' 



***** 







tV Hi, ; 



