( Ixxiii ) 
taken in Wicken Fen, June 1910, and {d) a pale variety of 
Meliana Jlammea, bi’ed from larvae collected in the Norfolk 
Broads, together with a type specimen for comparison. 
Butterfly and Mimic. —Mr, H. H, C, Druce brought for 
exhibition a remarkable Nymphaline butterfly from the 
Himalayas, Parhestina jermyni, n. sp., with Aforia agathon, var. 
phryxe, the Pierid it mimics closely—the subject of a paper 
read by him. 
Melanism in Melitaeids. —Mr. H. Rowland-Brown ex¬ 
hibited, together with typical examples for comparison, two 
fine melanic aberrations of Alelitaea parthenie, Bork., one of 
which resembled ab. rhoio, Oberthiir (Lepid, Comparee, fasc. 
iv. pi. xliv), taken at 2,800 ft., at Clelles, Isere, France, July 
23, 1910; and also two very remarkable black aberrations 
of Melitaea varia, taken by him in company with Mr, C. F. 
Johnson, July 20, 1907, at the top of the Simplon Pass, 
7,000 ft. 
Papers. 
Mr. Hamilton H. C. Druce, F.L.S., F.Z.S., read a paper 
entitled “ Description of a new Nymphaline Butterfly from 
British India.” 
Mr. H. St. J. Donisthorpe, F.Z.S., read a paper entitled 
“ Further Observations on Temporary Social Parasitism, and 
Slavery in Ants.” 
Dr. T. A. Chapman, M.D., F.Z.S., read a paper on “Two 
new species of Lycaenopsis from Sarawak, Borneo.” 
M. Ernest Olivier communicated a paper entitled 
“ Description of two new species of Luciola in the Collection 
of Mr. H. E, Andrewes.” 
