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markings delicately pencilled, others a decided grey ground 

 colour, with the markings in darker shades of the same ; 

 while two or three had a distinct black shade extending from 

 the base towards the centre of the primaries. 



Mr. Tutt exhibited a drawer of Gnophos obscuraria, Hb., 

 from various localities, arranged to show the geographical 

 range of variation. 



Mr. Tugwell exhibited strongly divergent forms of Agrotis 

 tritici, L., and A. cursoria, Bork., from English, Irish, and 

 Scotch localities. 



Mr. Well man exhibited a specimen of Nemeophila planta- 

 ginis, L., van hospita, Schiff., taken in Yorkshire, i860. 



Mr. R. Adkin, on behalf of Mr. Austin, exhibited a variety 

 of LyccBTia teams, Rott., 3' taken at Folkestone, the upper- 

 side of which was of a pale bluish lavender colour, and on the 

 underside the usual spots were absent, their place being 

 occupied by thin blackish rings (Plate I., fig. Jl). Also a 

 specimen of Lyccsna bellargiis, Rott., $ from the same 

 locality, the spots on the underside of which were entirely 

 wanting with the exception of the discoidal, which was 

 strongly produced (Plate I., fig. t). 



Mr. J. Jager exhibited shells found among Impatiens noli- 

 me-tangere, L., from the Lake District, which Mr, Step 

 stated were CocJdicopa lubrica, Mull, and immature forms of 

 Helix rufeseens, Penn., H. eaperata, Mont., Zonites crystallinus, 

 Mull., and others. 



Mr. C. Fenn exhibited a long series of Hybernia aiiran- 

 tiaria, Esp., from North Kent, showing the prevalence of the 

 typical form. 



Mr. Elisha exhibited bred specimens of Deilephila galii, 

 Schiff., bred from pupae forced during March at a temperature 

 of from 60° to 70°. The specimens emerged from 14 to 16 

 days after being placed in this heat, and not any of the pupae 

 had died. 



The Secretary read the following communications from 

 Mr. T. D. A. Cockerell :— 



''Do the colours of living Insects fade ? — The males of a 

 small American butterfly, Nathalis iole, Bolsduval, present 

 orange spots near the upper edge of the secondaries, which 

 spots are liable to (and I believe always do) fade suddenly 



