106 



in their wonderful similarity to each other, the points of 

 difference being so modified as to make it difficult to distinguish 

 with certainty between the two species 



Mr. H. Moore brought up for exhibition a striking example 

 of fasciation in the young wood of the Sallow {Salix caprcea) ; 

 also, an example of the transference of the scales to paper of 

 an Indian species of butterfly of the Nymphaline group. 



Mr. T. W. Hall, remarking on Mr. Moore's exhibit of Salix 

 caprcBci, recalled a similar instance in which the topmost flower 

 of a foxglove stem was so enlarged, as to appear almost like 

 a canterbury-bell ; and Mr. Mansbridge said he had seen the 

 same peculiarity in Liliums in market gardens. 



Mr. W. Mansbridge, referring to his paper read before the 

 Society, February 9th, said that the species there spoken of as 

 Hybernia defoliaria, Clerck., was a melanic form of H. auran- 

 tiaria, Esp., this fact having been brought under his notice by 

 Mr. A. W. Dennis. He also exhibited a drawing of an 

 antenna of each of these species, showing the difference be- 

 tween the two ; also Odontopera btdentata, Clerck., from Forres, 

 N.B,, darker than specimens from Horsforth, Yorkshire; a 

 strikingly light specimen of H. leticophcearia, Schiff., and a 

 series of Folia cki, L., var. siiffusa, darker than specimens from 

 either Bradford or Huddersfield, and therein differing from 

 Mr. Tutt's experience as expressed at a pievious meeting. 



Mr. H. A. Auld exhibited a species of the Coleopterous 

 genus Cassida from Fort White, Upper Burmah, 



Mr. J. M. Adye exhibited two living examples (forced) of 

 Diphtliera oriojt, Esp., the larvae having been beaten out in 

 the New Forest during the autumn of 1892. This exhibit 

 was made in metal boxes, and a discussion thereupon ensued 

 as to the comparative value of these boxes, Mr. Tugvvell 

 being of opinion that they would store heat, and so make the 

 enclosed insects restless ; but Mr. Winkley observed that he 

 had used this kind of box for such insects as Argynnis paphia, 

 L., without any harmful results. 



Mr. Jenner Weir exhibited in further illustration of the phe- 

 nomena of mimicry, Nebroda echeria, vdiX . Jacksoni, which was 

 closely mimicked by both a Nymphaline and Papilionine 

 species, viz. Hypolinmas miina, and Papilio cenea, ? , the latter 

 species being the southern form of Papilio merope, which was 

 remarkable for the polymorphic and polychromatic varieties 

 of the female, Aniautis niaviiis, also mimicked by the 

 Hypolinmas anthedon, and Papilio merope, the black and 

 white form of the female of that species from Western Africa. 

 Caduga tytia from Northern India, which was closely mimicked 



