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XXIII. South African Aculeate Hymenoptera in the 

 Oxford Museum. By the late Col. C. T. Bing- 

 ham, F.Z.S. With Introduction by Prof. E. B. 

 PouLTON, D.Sc, M.A., F.R.S. 



[Read May 3rd, 1911.] 



The Hope Department having in recent years received 

 many accessions to its collection of South African Hymeno- 

 ptera Aculeata, I asked my friend the late Col. C. T. 

 Bingham if he would work out the material, preparing a 

 list and describing tlje new forms. He agreed with me 

 that such a memoir would be of value to the students of 

 African insects, and he consented to undertake it in the 

 intervals of other work. I brought the whole of the 

 material to the Natural History Museum and, from time 

 to time during the last few years of his life, he devoted 

 himself to its study. He often showed me the parts of 

 the collection he had worked out and the gradually 

 increasing pile of manuscript. What Col. Bingham had 

 accomplished at the time of his lamented death is now 

 given to the world in the following paper, which also 

 includes the description of a new South African Aculeate 

 from the collections made in 1905 by Dr. F. A. Dixey 

 and Dr. G. B. Longstaff, and submitted to the author 

 by the naturalist last named. 



The source of each of the examples studied by Col. 

 Bingham is clearly indicated in the paper, but I may 

 mention that, in addition to the South African examples in 

 the W. W. Saunders Collection, the following recently- 

 made collections were submitted to the author : the 

 specimens collected by Mr. S. A. Neave in Northern 

 Rhodesia; by Mr. Guy A, K. Marshall in S. Rhodesia, 

 chiefly the Salisbury District ; by Dr. F. N. Brown in the 

 Orange River Colony and Natal ; by Mr. G. F. Leigh and 

 Mr. F. Muir in Natal. 



The types of all the descriptions are in the Hope 

 Department of the Oxford University Museuin. 



In presenting the labours of the lamented naturalist to 

 the Society, I have acted throughout under the skilled 

 advice of his friend and fellow-worker Mr. Rowland E. 

 Turner. 



E. B. PoULTON. 



TRANS. ENT. SOC. LOND. 1911. — PART III. (JAN.) 



