( Ivi ) 



precipitous sides of a spur of the limestone cliffs at Rocama- 

 dour, Department of Lot, France. At first he took them for 

 seed pods, but on opening them they were found to be galls 

 tenanted by orange-coloured aphides. The twigs from which 

 they grew had for several inches below the point of attachment 

 a viscous vai^nish sufiicient to protect them from insects only 

 able to creep. 



These galls are the subject of one of M. J. H. Fabre's 

 Souvenirs, viz. the tenth of his eighth volume on Les Pucerons 

 du Terebinthe, in which he describes the very interesting habits 

 of some five gall-making Aphides on the Pistacia terehinthus ; 

 and especially of the one he calls Pemphigus cornicularius, 

 Pass., which would appear to be the species exhibited. 



Mr. Norman H. Joy exhibited : {a) the black variety of 

 Bledius taurus, Germ., taken at Wells, Norfolk, August 1904 : 

 {b) Bledius femoralis, Gyll, from Wokingham, Berks.; a 

 species that has not been taken in the British Isles for over 

 fifty years : (c) Polydrusus sericeus, Schall., from Hampshire : 



(d) JYeuraphes carinatus, Mul., from Bradfield, near Reading : 



(e) a small form of Dyschirius politus, Dej., taken by Canon 

 Fowler at Bridlington, and himself at Wokingham : and 

 (/) a Rhizotrogus (? species) taken in some numbers flying 

 by day near Streatley, Berks., August 1904. 



Dr. F. A. DiXEY exhibited some preparations of the scent 

 of male Pierine butterflies, and read the following note : — 



" It has long been known that the male Ganoris (Pieris) 

 napi emits a scent like that of lemon verbena. The fact is 

 mentioned by Standfuss in his ' Handbuch,' and by Barrett in 

 his ' British Lepidoptera.' The latter authority also remarks 

 that the male of Colias hyale is said to have a smell like that 

 of pineapple. In connection with work on the secondary sexual 

 characters of the Pierines I have been attempting for some 

 time past to verify the statements that have been made on this 

 head, and also to ascertain whether other species of our common 

 butterflies likewise possess a characteristic odour. 



"In the summer of 1899 I made the following obsei-vations : — 

 A fresh specimen of G. napi, $ , when seized with forceps, gave 

 out a strong perfume very like the crushed leaf of a ' lemon 

 plant.' The wings removed from the body retained the odour, 



