NOTES AND OBSERVATIONS. 259 



statices was found in some members, but mostly worn, in a new 

 locality in this district. The summer emergence of Pieris napi was 

 remarkable for the large percentage of examples with the apical 

 blotch, discal spots and inner marginal streak united, forming an 

 unbroken band across the fore wings ; this form occurs almost every 

 season but is seldom common. On September 23rd a line Pieris 

 brassicae female was captured of a pale yellow colour, as well as 

 another example with the discal spots united to the apical blotch by a 

 suffusion of black scales.— Thomas Greer ; Curglasson, Stewartstown. 



Notes on Lepidoptera from the Chiltern Hills, etc., VJ-11. 

 — Butterflies were probably quite as plentiful in the Chilterns during 

 the past season as in 1921, except that no extra broods of Paranja 

 egeria var. egerides, Lycana icarus, Zizera minima and Heodes phlaeas 

 occurred this year. Insects seemed to appear more gradually, so that it 

 was often possible to get specimens in fine condition several weeks 

 after emergence commenced, in spite of periods of bad weather. 

 Melanargia galatea was locally abundant from second week in July 

 until the middle of August. Of P. egeria var. egerides the first brood 

 was out at the beginning of May, the second about June 20th, and 

 the third August 18th. The butterfly seems to occur in nearly all 

 beechwoods, and is plentiful in some. One or two Melitaea aurinia 

 were taken or seen in June on chalk slopes. Odd captures have been 

 recorded several times during the last few years, and it is probable 

 that the species is established in some restricted locality among the 

 hills. Agriades corydon males were first seen on July 30th, the 

 females being well out on August 13th, whilst freshly emerged 

 specimens of both sexes were obtainable as late as September 3rd. 

 Very plentiful in several localities, but scarce in others where some- 

 times common. Pamphila comma was locally abundant at the 

 beginning of September. Pieris napi was unusually scarce, but the 

 summer insects were sometimes exceptionally large and heavily 

 marked ; others corresponding to the spring form sometimes turned 

 up in July and August. Colias croceus was seen or heard of in 

 several localities in late August and early September. Sallows 

 produced all the usual moths from the middle of March until Easter, 

 sometimes in good numbers. Parasemia plantaginis was not 

 uncommon on one hill in the Chilterns during June. Abraxas 

 ulmata was plentiful. I found that the early morning was the best 

 time to take it, when it was often seen in considerable numbers 

 resting on brambles, fully exposed to view, in the beechwoods. 

 Later in the day it retires under the leaves. Sugar was not very 

 productive during August and September. — S. B. Hodgson ; 3, 

 Bassett Boad, N. Kensington, W., October 9th, 1922. 



Aberrations of Colias croceus and Agrotis bxclamationis. 



While looking through the collection of Lepidoptera belonging bo 



my friend, Mr. F. Wood, of Ditchling, Sussex, I noticed two of his 

 captures for this year which I think are worth recording. The fir>i 

 is a male specimen of C. croceus which is of the Mice form which 1 

 understood to be peculiar to the female. The other, two specimens, 

 a male and female of Agrotis exclamationis, in which the usual " heart 

 and dart" marks are entirely obliterated by a dark cloudy suffusion 



