AiscJina. 201 



projection conical, rather enlarged at base, shorter than 

 lateral appendages. Genital parts of the male indicated, 

 those of the female extending somewhat beyond the 

 ninth segment. (Cabot. j 



Emergence. 



The disclosure of the imago from the n}qTiph-case 

 agrees \'ery closel}' with the method of procedure 

 described for Libcllitla qitadriinaailata (see page 112). 



Date. 



About the first day of July sees this Dragonfly upon 

 the wing, and from that date it flies during the summer, 

 and well into the autumn, the latest date with which I 

 am acquainted being October 24, 1897, when one was 

 taken in a gutter in Kingston-on-Thames. 



Habits. 



Though sometimes seen flx'ing over the water, where 

 it is difficult to catch, this insect is oftener met with 

 along hedgerows and lanes, where it sometimes for a 

 long time flies backwards and forwards over a very 

 restricted range. On such occasions, notwithstanding its 

 rapid, powerful flight, it is usuall)' possible with patient 

 watching to make a capture. When once startled, 

 however, it usually soars away out of sight, to return 

 very possibly, however, to the same spot a little later. 

 On one occasion, in Berkshire, I noticed an Al. tvanca 

 hawking along a hedge in this wa)', and presentl}- saw 

 it capture a butterfly (probabh' the Small Copper). 

 After circling round it several times the Dragonfly 

 secured its prey, and began wildly careering round, as 



