2 THE ENTOMOLOGIST. 



form, and at Omagli with a large orange spot in the middle of 

 the fore wings. Very dark forms are found in the North of 

 Scotland." 



I have also shown the specimen to Sir George F. Hampson 

 at the British Museum (Natural History Department), and he 

 has kindly confirmed the identity of the species. Lord Rothschild 



had brought up from Tring a fine dark aberration of Plusia 

 gamma for comparison. 



23, Heathville Eoad, 

 Gloucester. 



NOTE ON COPULATION AND OVIPOSITION IN THE 

 DRAGONFLY SYMPETRUM STRIOLATUM (Char- 



pentier).* 



By W. D. Lang, ScD., F.Z.S. 



Sympetnim striolatum was observed at noon on October 4th, 

 1919, flying in numbers over a small pond. This pond, some ten 

 by fifteen yards in extent, is situated in a pasture immediately 

 behind the pebble ridge above the fore-shore between Worthing 

 and Goring. It was very shallow, with down-trodden banks 



* Besides descriptions aud figures in the works quoted below, there is a very 

 complete account of the copulation of dragon-flies by Ench Smidt (1915, ' Vorg- 

 leichende Morphologie des 2 und 3 Abdoniinal segments bei miinnlichen Libellen ' ; 

 Dr. J. W. Spengel's ' Zoologischen Jahrbuch, band xxxix, heft i, pp. 87-200, pi. ix- 

 xi). I am indebted to Mr. H. Campion for this reference as well as for the references 

 quoted below to papers by Calvert, Williamson and Walker. 



