54 



habit of heaping together one upon another ; as many as twenty 

 often being met with in one pile. It had occurred in very 

 considerable numbers in the estuary of the Thames in brackish 

 water, frequently attached to pebbles, and was known as being a 

 pest in oyster beds in North America. It was already becoming 

 a pest on our shores, to which it was probably introduced at the 

 time the American oyster was imported into this country for 

 laying down new oyster beds. 



Mr. J. P. Barrett exhibited the larvae of Syntoiuis phegea in their 

 4th instar. They were obtained by him in Sicily on the slopes of 

 Mt. Etna, and fed readily in this country on dandelion. 



SEPTEMBER IQth, 1911. 



Field Meeting at Burnham Beeches. 



Conductor: R. A. R. Priske, F.E.S. 



The extremely small number who gave in their names, owing 

 no doubt to the exceptionally dry season offering but few oppor- 

 tunities for productive entomological work, induced the indulgence 

 in an extended motor ride, and finally an early return to town. 



SEPTEMBER 28th, 1911. 



Mr. W. J. Kaye exhibited a series of Ephyia pendularia, including 

 among various other forms some very beautifully marked specimens 

 of the form subroseata. 



He also exhibited a finely grown flowering specimen of the rare 

 orchid Masdevallia macrura, the largest species in the genus. 



Captain Cardew exhibited a beautiful series of Hadena contigva, 

 bred from ova laid by a female captured in the New Forest. From 

 the 62 ova which hatched he had been successful in obtaining no 

 fewer than 49 perfect imagines. 



Mr. H. Moore exhibited numerous specimens, and read the 

 following short note on " Butterflies in the Forest of Arques " : — 



" On August 12th last I went over to Dieppe with the idea of 

 spending the week-end collecting in the Forest of Arques. My 

 only excuse for referring to it is the paragraph in the last number 

 of the Entomologist'' s Record concerning the abundance of Whites, 

 where Mr. Kaye mentions the numbers of Pieris brassicir, and P- 

 rapcB with only a few F. napi in the same neighbourhood, and as 



