57 



Gull {Larus marinus, L.), and of the Lesser black-backed 

 Gull [L.fuscus, L.), and remarked on the differences between 

 the eggs and the habits of these two birds. 



Mr. T. D. A. Cockerell exhibited insects from the Wet 

 Mountain Valley, Colorado, to illustrate parallel variation in 

 Diptera and Hymenoptera. 



Series i. Green to blue (metallic colours). 



Series 2. Yellow to red (pubescence), 



Mr. T. W. Hall mentioned that this year he had obtained 

 140 or 150 larvae of EupitJiecia albipunctata, Haw., but only 

 succeeded in getting 28 pupse, the remainder of the larvae 

 being ichneumoned. 



Mr. Tugwell referred to the larvae of Cuciillia gnaphalii, 

 Hb., as being exceedingly liable to be attacked by ichneu- 

 monidae. 



References were made to the great abundance of larvae in 

 the gardens of suburban London, Spilosoma lubricipeda, Esp., 

 ^. menthasiri, Esq., Mamestra brassicce, L., and M . persicarice 

 L., being particularly specified. 



NOVEMBER i.'jth, 1890. 

 W. H. Tugwell, Esq., Ph.C, Vice-President, in the Chair. 



Mr. A. J. Hodges exhibited a specimen of Leucania vitel- 

 lina, Hb., taken Sept. 26th, 1890, also Caradrina anibigua, 

 Fb.. both from the Isle of Wight. 



Mr. W. H. Tugwell exhibited long series of TripJicBiia 

 comeSy Hb., showing great variation. The series comprised 

 English and Scotch forms, some of the Shetland forms being 

 especially noticeable ; also T. orbona, Hufn., English and 

 Scotch, and remarked that this was a species much more 

 stable in coloration than T. comes. 



Mr. R. South exhibited examples of Melanippe fluctiiata, 

 L., from various localities, and called attention to the var. 

 costovata, of Haworth, a variety which was not unfrequently 

 met with, more especially round London ; he also called 

 attention to an unusually large specimen from Scotland, and 

 referred to Milliere's figure of the variety known as neapolisata, 

 expressing a doubt as to the occurrence of this variety in 

 Britain. 



Mr. Short exhibited three examples of Spilosoma fuliginosa, 

 L., from Aberdeen, much larger and paler than those usually 

 seen from the North ; also Lobophora viretata, Hb., bred from 

 ova received from the Birmingham district, and stated that 

 he occasionally took single specimens in the neighbourhood 

 of Highgate. Mr. Tugwell said it did occur now and then 



