lOO Bayford : Sirex juvencus and S. noctilio in Yoi'kshire. 



'hover' over the Broad. The accompanying- illustration, kindly 

 lent by the Sutton Broad Laboratory, shows a glorious patch of 

 Hottonia pahistris, and represents a scene as characteristic of 



Water Violet at Sutton. 



Holderness as of Sutton in Norfolk. It is to be hoped that the 

 Laboratory will be made every use of — the charges are certainly 

 most reasonable. 



• ♦ 



SlREX JUVENCUS F. AND S. NOCTILIO F. 

 IN YORKSHIRE. 



E. G. BAYFORD. 

 Ba riisley. 



In 'The Naturalist' for 1894 at p. 288 I recorded as juvencus F. 

 a female Sirex which had been taken alive in Wath. Main Pit. 

 Since then several other specimens have been brought to me at 

 different times which appeared to be distinct both from it and 

 gigas L. These had been placed on one side, and it was not 

 until recently that my attention was re-directed to them. The 

 cause for this was the receipt and consequent perusal of the 

 instalment, dealing with the Siricida\ of the Rev. F. D. Morice's 



Naturalist, 



