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Xl. Ohfervatiom on the Ciirctilio TrifoUU or Clover Weevil^ a f mall Infedi 

 which infejls the Heads of the cultivated Clover ^ and dejlroys the Seed. 

 In a Letter to Thomas Marjham^ Efq. 7r. L. S. by William MarlH^ick, 

 Efq. F,L.S. With additional Remarks by Mr, Marjham, 



Read February 3, i8oi. 



DEAR SIR, 



JL HE very polite and obliging attention fo frequently fliown by you 

 to my trifles in Natural Hiftory, encourages me to trouble you with 

 this letter, to be laid, if you think proper, before the Linnean So- 

 ciety ; and fhould they difcover in it any thing that at all tends to 

 improve the fcience, or that may be in any other refpe6l ufeful, 

 I fhail feel myfelf highly gratified. 



Having ordered a field of clover, confiding of about eight acres, 

 to be faved for feed, my fervant, on the 9th of Augufl laii, afked mc 

 whether I chofe to fave the whole field for that purpofe, faying that 

 he had examined feveral of the heads, and found the maggot in 

 them. On this information I was induced to order only a part of 

 the field to be faved for (t^id, and the reft to be mowed for hay. 

 Soon after, I went myfelf to examine the flate of the clover, and 

 found in many of the heads feveral fmall white maggots or larvse, in- 

 variably placed on the outfide of the bafe beneath the individual 

 calyx of each floret, eating through the bottom, and thereby 

 deftroying the germen or rudiment of the future feed. Each of 

 thefe larvae appeared to be exaclly fimilar in fhape and colour (only 

 jnuch fmaller) to the nut maggot, having a white body, black head, 



and, 



