EXCHANGE. 

 Desiderata : males of Hymenoptera Aculeata, set or onset, for purpose of 

 dissection ; Apid» especially. Will do what I can in return. — J. R. Malloch, IT, 

 Dillichip Tcirrace, Bonhill, Dumbartonshire. 



pNTOMOLOGICAL SOCIETY OF LONDON, WEDNESDAY, 



FEBRUARY 3rd, 1904, at 8 p.m. 



EXHIBITIONS. 



Dr. D. Sharp, M.A., F.R.S., on behalf of Captain C. E. Williams, " Living Specimens 



of Oongylus gongyloides, a floral-simulating Mantis." 

 The Rev. Francis D. Morice, M.A., will show Lantern Slides illustrating the structure 



of concealed ventral segments in males of the Hymenopterous genus Colletes. 



PAPERS. 



1. " On the habits of some Mantidce :" by Captain C. E. Williams, communicated 



by Dr. D. Sharp, M.A., F.R.S. 



2. " Systematic Observations upon the Dermatoptera :" by Malcolm Burr, B.A., 



F.L.S., F.Z.S. 



3. " Descriptions of new species of Cryptince, from the KhasiaHills, Assam ; and 



a new species of Bembex :" by Peter Cameron, communicated by G. A. 

 James Rothney, F.E.S. 



4. "On a new species o( Heterogynis :" by Dr.T. A. Chapman, M.D., F.Z.S. 



Now Ready. 



THE ICHNEUMONS OF BRITAIN, 



With Introduction, Glossary, Synonymy, Catalogue or Lepidopterous 



Hosts, &c. 



By CLAUDE MORLEY, F.E.S., &c. 



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or on one side for Labels, 2/-. 

 Now ready— The Exchange List and Label List compiled by Mr. Ed. Meyrick, B.A. 



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B:]srTOM:oi_.oc3-io^^L. fih^ts. 



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