14 THE ENTOMOLOGIST. 



captured by some boys ; C. edusa, twenty to thirty seen, and some 

 captured. Aporia cratcegi, no longer a migrant, but is probably 

 affected by climatic conditions. I captured a battered female miles 

 away from the headquarters, but failed to find another specimen. I 

 consider the species naturalized. Acherontia atropos, no record this 

 season. Last year one collector bought and sold over a thousand 

 pupje, dug up in Thanet ; after their journey by rail the emergences 

 were nil. Macroglossa stellatanim: I place this species amongst those 

 which come to us from the Continent. This autumn it has turned up 

 frequently indoors, and I have some still alive. Nonagria sparganii: 

 this species has either invaded my locality, or I have discovered its 

 habits. — J. P. Barrett ; St. John's Villas, Margate. 



Sugaring and Atmospheric Conditions. — My experience of sugaring 

 early in September, 1906, leads me to think that atmospheric condi- 

 tions, even when the weather appears normal, greatly affect the 

 number of moths that come to sugar. I sugared some posts here, as 

 soon as the waning moon permitted sufficient darkness, and the catch 

 was very insignificant. I set five specimens out of possibly a hundred 

 which put in an appearance. As the posts numbered exactly eighty, 

 the average was a little over one moth per post. A few days later I 

 sugared again, the same mixture, the same quantity ; but the posts 

 retaining their sweetness I found I had some sugar left, and so 

 increased the number of posts to exactly one hundred. In my ento- 

 mological career I have had good nights. Once I calculated there 

 were 2500 moths on the sugar, but that night in early September of 

 1906 easily beat my old record. The moths — about niue-tenths being 

 Xoctua xanthographa — were very quiet on the sugar, in some instances 

 very closely packed, and fortunately the " skittish" Xylophasia polyodon 

 was nearly over. Occasionally a moth in the centre would startle the 

 rest, and they fell off in a patch, but quickly returned. I made a 

 careful estimate, although it took me all my time to look for " plums " 

 amongst so much " dough," and I reckon at least five thousand moths 

 had a supper at my expense — at least fifty per post. 1 selected four- 

 teen moths out the lot, and these included two very fine Laphygma 

 exigua, one Caradrina cubicuiaris, and the rest were mainly A 7 , xantho- 

 grapha. Perhaps twenty-five species contributed to the total. Later 

 on I sugared again, and on no evening did the total exceed an estimate 

 of two hundred and fifty, sometimes falling below one hundred. — 

 J. P. Barrett ; St. John's Villas, Margate. 



Odonata Becords for 1906: — Hertfordshire — Shenley : Sytnpe- 

 trum striolatum, plentiful in August and September. Anax imperator, 

 male, August 6th. JEschna cyanea, abundant in September. JE. 

 grandis, plentiful. Ischnura elegans, abundant ; last observed on 

 August 29th. Agrion puella, abundant. Enallagma cyathigerwn, 

 abundant. 



Buckinghamshire — Eton: JEschna cyanea, abundant in September 

 and October. Ischnura elegans, very abundant ; first observed on June 

 3rd. Calopteryx splendens, very abundant; first observed on June 3rd. 

 Agrion pulchellum, very abundant ; first observed on May 24th ; last 

 observed on July 22nd. A. puella, not very plentiful. Burnham 

 Mill-pond : Ischnura elegans, very abundant. Agrion puella, male, 



