1898.J 91 



of Hemerophila ahruptaria bred by him during the last three years, some dozens, 

 including extremes and intermediates, and one partially gynandrous. — H. J. Tuenee, 

 Son. Secretary. 



ENTOMOLoaiCAL SOCIETY OF LONDON : February IQth, 1898. — Mr. Gr. H. 

 Veeeall, Yiee-President, in the Chair. 



Mr. Gr. C. Champion exhibited specimens of Isodermus Gayi, Spin., from the 

 Straits of Magellan, and I. planus, Er., from Tasmania, both found by Mr. J. J. 

 Walker. The genus Isodermus, belonging to the Aradidce, afforded an interesting 

 case of geographical distribution, the only known species occurring in Chili, Australia, 

 and Tasmania. Mr. C. O. Waterhouse referred to the similar distribution of other 

 species of insects, which went to support the theory of a former connection between 

 South America and Australia. Mr. Champion also showed an example of Bagous 

 lutosus, Q-ylL, from Sweden. This insect had been on the British list sin(}e the time 

 of Stephens, but possibly in error, as all the examples he had seen in collections 

 were wrongly so named. Mr. Jacoby exhibited a pair of the singular weevil, 

 Apoderus tenuissimus, 'Pa.sc. , irom the Philippines. Mr. Burr, species of Orthoptera, 

 of the family Eumastaoidce, resembling dead leaves. This was the only family of 

 AcrydiidcB in which such resemblances were found. Dr. Chapman, a specimen of 

 Zygcena exulans with six wings, the supernumerary pair arising between the normal 

 left fore-wing and the corresponding leg on the same side. The uppermost wing 

 appeared normal in every respect, the second was a reduced copy of the basal half 

 of a fore-wing, and the third a portion of crumpled wing-structure. Mr. O. E. 

 Janson, a pale variety of the rare Papilio mikado taken in south Japan. Mr. Tutt, 

 a variety of Enodia hyperanthus taken by Mr. F. H. Day near Carlisle, and banded 

 on the under-side like a Ccenonympha ; also two moths from the same neighbourhood, 

 which, after careful comparison, he regarded as females of Hydrilla palustris. This 

 sex was almost or quite undiscovered in Great Britain, and the occurrence of the 

 species so far from the fen district was remarkable. Mr. H. J. Elwes read a paper, 

 entitled, " A Further Revision of the Grenus Erebia," which was illustrated by the 

 exhibition of examples of every known species. Tracing the geographical distri- 

 bution, he stated that the principal European centres of the genus were the Pyrenees, 

 and especially the Alps, only a few forms occurring in Scandinavia, while the Ural 

 Mountains and Caucasus were almost destitute of species. The genus became 

 abundant in E. Siberia, from which region a few N. American forms appeared to 

 have been derived. Dr. Chapman also read a paper " On the Species of the Grenus 

 Erehia, a Revision based on the male Appendages," illustrated with drawings of 

 these organs in about sixty species. In connection with the above papers, Mr. Tutt 

 exhibited and made remarks on long series of Erehia Nerine, E. glacialis, E. 

 Euryale, E. ligea, &c., chiefly from the Alps.— W. F. H. Blandfoed and P. 

 Meeeifield, Hon. Secretaries. 



March 2nd, 1898. — Mr. GI-. H. Ybeeall, Yice-President, in the Chair. 



The following were elected Fellows of the Society : — Miss Margaret Fountaine, 

 7, Lansdowne Place, Bath ; Mr. J. H. Carpenter, Shirley, St. James's Road, Sutton, 

 Surrey ; Mr. G. O. Day, Parr's Bank House, Knutsford ; Mr. F. E. Filer, 58, 

 Southwark Bridge Road, S.E. ; Mr. R. Hamlyn Harris, The Conifers, Hambrook, 



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