SOCIETIES. ^ 191 



the shower of Tortvices (mainly T. viridana) that fell into the 

 umbrella. A nice long series was selected representing a con- 

 siderable range of variation in the ground-colour and tint of markings 

 of the male. The former runs through shades of pale brown — 

 ochreous to greyish — and of grey, from dark to silvery. The mark- 

 ings range from reddish-brown through olive brown to blackish. 

 Specimens with blackish markings on a silvery grey ground are very 

 attractive but I only secured three of this form. The coloration of 

 the females, so far as the specimens I have seen are concerned, are 

 much less variable. — Richard South. 



Odonata in Bristol District. — The following notes refer to 

 dragon-flies which I have noted in this district. I have only taken 

 one specimen of Sympctrum striolatum, Charp., near here, and that 

 was on the Durdham Downs on July 15th, 1917. Lihetlula depressa, 

 Linn., is very common everywhere, but especially at Henbury, 

 Glos., and Cadbury Camp, Somerset. On May 24th this year I 

 took one Libellula quadrimaculata, Linn., at Cadbury Camp, and 

 saw two others but was unable to catch them. Cordulegaster 

 annulatns, Latr., appears to be rather local. I have taken it fairly 

 commonly at Hallen, Glos. Brackytron pratense, MlilL, is'exceed- 

 ingly common at Cadbury Camp, but I have not taken it elsewhere. 

 Af^schna cyanea, MiilL, is very common. I have taken it wherever 

 there have been any dragon-flies at all. I have seen ^sclma 

 fjrandis, Linn., on the Avon near Saltford, but have not taken one 

 there. Calopteryx splendcns, Harr., is common on the Avon at 

 Saltford and Keynsham. I have only taken Agrion piulchellum, Lind., 

 at Cadbury Camp, but it is quite common there. It appears to be 

 local. Agrion puella, Linn., and Enallagma cyathigerum, Charp., are 

 very common everywhere. — T. F. Hewer ; 24, West Shrubbery, 

 Redland, Bristol. 



"Co-operation for Small Producers."— This booklet is one of a 

 series of " Guides to Smallholders " intended primarily for the use 

 of ex-service men. Nine guides have already been published and two 

 others are in the press. They are issued gratis and post free to 

 ex-service men and women intending to settle on the land, on 

 application to the Board of Agriculture, 3, St. James's Square, London, 

 S.W. 1. Copies may be obtained by the general public at the price 

 of 2(i. each, post free. 



EREATA. 



Page 156, line 13 from bottom, for " jEsetoa " read " JEschna " ; 

 line 10 from bottom, for " Erallagma cyathygerum " read " Enallagma 

 cyathigerum" ; and line 8, for " eyathygencm" read "cyathigerum." 

 Page 157, line 9, for " assulatus " read " annulatus." 



SOCIETIES. 



The South London Entomological and Natural History 



Society.— il/flT/ 22nd, 1919.— Mr. Stanley Edwards, F.L.S., President, 



in the Chair. — Dr. Chapman exhibited living specimens of Trypo- 



dendron domesticwn, a beetle which burrows into the bark and wood 



