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Papers. 



The following papers were read : — 



" Gynandromorphous Lepidoptera," by E. A. Cockayne, 

 M.A., M.D., F.E.S. 



" The Rein-sheath in Plebeiid Blues. A correction of and 

 addition to Paper VI," by T. A. Chapman, M.D., F.Z.S. 



" Resting Attitudes in Lepidoptera. An example of 

 Recapitulation in Habit," by the same. 



" The Evolution of the Habits of the Larva of Lycaena 

 arion" by the same. 



" Micropteryx entitled to Ordinal Rank. Order Zeuglo- 

 ptera," by the same. 



Commenting on the second of Dr. Chapman's papers Comm. 

 Walker said that many tropical Lycaenidae and Erycinidae 

 rest with their wings spread out and flat. He had also seen 

 Papilio ulysses resting almost in the position of a Catocala. 



Dr. Chapman suggested that this might be only a tem- 

 porary attitude. 



Mr. Kaye, however, said that it was the usual resting 

 attitude in most S. American Erycinidae, and that they 

 rested on the underside of leaves, so that they could not be 

 sunning themselves. 



Mr. C. J. F. Fryer added that Papilio polytes rested the 

 whole night in a flat position. 



The Rev. F. D. Morice inquired whether there was any- 

 thing remarkable about the undersides of these Erycinidae 

 which called for concealment, and Comm. Walker said that 

 they were often more brilliant than the uppersides. 



Dr. Longstafp commented on the rapidity with which 

 many " Skippers " adopt their usual resting attitude on 

 alighting. 



In confirmation of certain observations in Dr. Chapman's 

 paper on L. arion, Mr. Kaye commented on the parasitism 

 practised by the larva of this insect, observing that all para- 

 sitism was regarded as comparatively modern. 



In agreement with the paper on Micropteryx, Mr. Durrant 

 remarked that for years he had considered that it was not 

 lepidopterous, and was inclined to take up the same position 



