C D6 ) 



IX. ^ Continuation of the Hijiory .of Tipula Trltlci, in a Letter to Thomas 

 MatJI.'ain, Efq. Tr. L. S. bv the Rev. William Klrby, F. L. S. 



Read February < , 1 799. 



MY DEAR FRIEND, Barham, December 1798. 



A FTER all the pains we tt)ok lad year to inveftigate the hiftory 

 of the Wheat Infeft, we were obliged to leave it in feme mea- 

 fuie incomplete. This arofe from our beginning our obfervations 

 too late in the feafon, after the parent fly had difappeared. Deter- 

 mined to watch its progrefs this year from the firft appearance of 

 the ear, my fuccefs, in moft refpedls, has been anfwerable to my ex- 

 peftations. I have not indeed yet been able to afcertain the male of 

 our Tipula ; but to make fome amends for this dii'appointment, I have 

 had an opportunity of obferving all the motions of the female, and 

 befides have difcovered two new fpccies of /<:/:'««/7«o«, which, in con- 

 junction with that known before, and defcribed in the lafl volume 

 of the Linnean Society's Tranfactions (a), under the name of Ich- 

 neumon Tlputie, feem to be intruded with the important office of re- 

 llraining within due limits the numbers of that very deftruftive 

 little animal. 



Without further preface, I fliall now proceed to conneft and put 



into form the different memoranda which I have by me on this fub- 

 jecl, having adhered faithtuhy to the Linnean maxim, Nulla dies fint 



(a) Vol. iv. p. 232. 



llnea, 



