^^ [February, 



My trap is fitted to a first floor wiiulow, about 11 ft. Crom the ground and 

 facing south-west. In this direction the ground slopes away from the house, and 

 beyond the garden there are several fields and then woods. 



The want of success with some traps is that they are placed too near the 

 ground. I do not think that 20 ft. would be too high for the majority of species. 

 The liglit should of course be as strong as poss^ible. I generally use a large duplex 

 lamp with strong reflector. 



On one occasion I captured over fifty specimens of Anchocelis lunosa in a 

 single night, most of which were of course set free in the morning. 



Among the better species taken the following may be named : Chwrocampa 

 porvellus, Saruthripus undulartus, Hylophila hicolorana, Litho-na griseola, Tri- 

 chiura craixgi, Lasiocampa quercifoUa, Drepana lacertula, D. binaria, Noto- 

 donta dictivoides, Pygiera ciirtula, Thyativa batis, Dipterygia scabriuscula, Lupe- 

 rina ce/tpUis, Apamea gemina, A. unanimis, A. ophiogramma, Agroti.s puta, 

 A. cinerea, A. porphyrea, Tfeniocampa gracilis, Orthosia su^pecta* Xanthia gilvago, 

 Calymnia pyraUna, C. dijffinis, C. affinis, Hadena genistce, Asteroscopus sphinx, 

 P/usia monela, P. ptdcJirina, Avenfia Jlexula, Eurymene dolobraria, I'ericallia 

 syringaria, Selenia lunaria, Oeometra papilionaria, Spilodei palealis,* Acijitilia 

 spilodaclylus, Crambus geniculeus, Euzophera pinguis, Phycix betvlas, Hhudophea 

 formosa, E. advenella, Hypochalcia ahenella, Oalleria melonella, Aphomia sociella, 

 Penthina ochroleucana, Carpocapsa sp/endaria, Xanthosetiu zcegana, A', hamana, &c. 



The two marked with an asterisk have not been recorded from any other 

 localities in Hertfordshire. 



I shall be very pleased to compare notes and diagrams with any other entomo- 

 logists who have had experience with moth-traps in otlier parts of the country. — 

 Philip J. Bareaud, Bushey Heath, Herts : January 3rd, 1905. 



The attitude of Satyrus semele at rest. — In the summer of 1903 Dr. Dixey 

 called my attention to the observation by E. 11. A. in " A Naturalist on the prowl " 

 (p. 203) that Melauitis ismene, Cram., a common Indian butterfly, often settled 

 upon fallen leaves and helped to conceal itself by falling partly on one side. Dr. 

 Dixey was anxious to see whether there was among allied butterflies any tendency 

 to such a habit upon which natural selection might work. Careful watching Satyrus 

 sewieZe satisfietl us that it settles upon the gi'ound "in three motions" — (1) the 

 wings are brought together over the back ; (2) the fore-wings are drawn between 

 the hind-wings, so as to be for the most part concealed ; (3) the whole insect is 

 thrown over to one side to the extent of 30°, 40°, or even sometimes 5u°. They 

 appeared to go over to right or left indifferently. 



Subsequently I imprisoned a number of butterflies in a large pasteboard box 

 covered with a piece of glass. Under these conditions 1 observed that sometimes 

 the third of the above described motions precedes the second. The insects assume 

 the sideways attitude or " list " more frequently when settled in sunshine than in 

 shadow — of this I am certain. This attitude is mentioned in Barrett's Lepidoptera 

 (vol. i, p. 226). 



Other Satyrids were observed in the same box. Epinephele janira often put 

 on a list of lo° to 20°; Pararge xgeria and megaira sometimes showed a " list" of 

 25°. Lastly, during the summer of 190i several K. hyperanlhus, when in the box, 

 showed a " list " of about 2u° 



