1»19.] 41 



Wednesday, December ith, 1918. — The President in the Chair. 



Messrs. Anderson Ferg-usson, 22 Polworth Gardens, Glasgow, W.; George 

 Grace, B.Sc, A.R.C.Sc, Inglenook, Utley, Keighley, Yorks, and R V. Isaacs, 

 B.A., Assistant Entomologist to the Madras Agricultural College and Research 

 Institute, Coiuibatore, India, were elected Fellows of the Society. 



Mr. W. J. Lucas exhibited Neuroptera from Salonica, sent to him by 

 Mr. P. J. Barraud in 1916-1918. Prof. Poulton gave an account of the 

 deeply interesting observations made at Tanga, late German East Africa, on 

 August 5th, 1918, by Mr. W. A. Lamborn, on the relation of the anal tufts 

 to the brands of the bind wings observed and the scent perceived in a male 

 Danaine butterfly, in continuation of his S. Nigerian investigations and those 

 of Capt. Carpenter. He also said that he had received notes from Mr. C. B. 

 Williams, who bad written from the Department of Agriculture, Trinidad, 

 B.W.I., giving a suggested interpretation of the special attacks made by blood- 

 sucking Diptera on new-comers into tlie Tropics and of their gradual di mi na- 

 tion. The President exhibited a Chalcid, Tun/mits eleyans Borkh., sent to him 

 by the Rev. E. A. WoodrufEe-Peacock, which had emerged from a rosaceous 

 seed which had passed through the alimentary canal of a blackbird, tugetlier 

 with the seed from which it had appeared. Mr. L. B. Prout, on belnlf of 

 Mr. J. J. Joicey, species of the geims Castnia and a mimetic Ilesperiid, 

 including several new or doubtful forma of Castnia, not yet fully worked out. 



The following paper was read : — " IS otes on a large Heliconine Collection 

 made in French Guiana in 1917, compared with a similar Collection made in 

 1915." by J. J. Joicey, F.E.S., and W.J. Kaye, F.E.S.— Geo. Wheelkh, 

 Kon. Secretary. 



THE GENUS DIAN0U8 Samouelle, AS REPRESENTED IN INDIA AND 

 CHINA [COLEOPTERA]. 



BY G. C. CHAMPION, F.Z.S. 



Early last year my eldest son, H. G. C, sent me a tube containing 

 a very large number of unmounted Dianous, representing nine or ten 

 species, from W. Almora, Northern India. Subsequently, at my request, 

 he has obtained, with the assistance of a native collector, still further 

 material, including several additional species, and more examples of ?on\ii 

 of the otliers of which one or two onlj'' had been found in the first con- 

 signment. The extraordinary development of tliis Staphylinid-geuus in 

 a limited region on the southern slope of the Himalayas is very ]"e- 

 markable, showing how little we know about the actual number of 

 existing species of at least one well-known genus of Coleoptera. The 

 total rmmber of described Dianous from the whole world, so far as can 

 be ascertained at the present moment, is six — one holarctic, one from 

 N. America, thx*ee from Sikkim (all represented in the series before me), 

 and one from Burma. The Almora material includes sixteen species, 

 one only of which is based on a single example, the others being mostly 



