( xliv ) 



— of which I took three. I shall despatch all this material 

 directly I get back to B.E.A. [Of the above Amauris model 

 and Hypolimnas (Euralia) mimic, Capt. Lamborn took, in the 

 wooded river gorge at Ufiomi, on June 4th, 15 models and 1 

 mimic ; on June 5th, 6 and ; on June 6th, 3 and 2, respectively.] 

 " I hear little news of the outer world, and have no mails, 

 but hope all is going well elsewhere." 



[Handeni, about 38° E. and 6° S., on 23. 7. 16], 



" 24. 7. 16. 



" I continue to trek mile after mile defining tsetse areas, 

 but without, I am afraid, any benefit resulting thereby, and 

 the only consolation I have is that I am carrying out such 

 instructions as the military authorities have given, and can 

 do no more. 



" I have collected now a considerable number of insects, 

 including long series of Acraeinae. One or two look really 

 interesting, but apart from them the butterflies are just the 

 ordinary things. 



" You probably hear more than I do as to the progress of 

 this campaign. We seem, thanks to the energy of the South 

 Africans, now to be making good headway, but I am no 

 longer so hopeful as to a speedy conclusion to it. 



" I have not been able to get any letters at all bearing this 

 year's postmark, which is a great anxiety, as there must be 

 many for me at Nairobi. My life is too nomadic for them 

 ever to find me, and so, at my desire, they are not sent on. 

 I long for a return to my own researches, as life seems so 

 utterly empty these days. 



" In about seven months my tour will be up, and if all is 

 well by then, I should be thinking of returning." 



Dr. Th. Mortensen's Observations on the " false 

 head " of lycaenidae and other butterflies, etc. — 

 Prof. Poulton drew attention to " Observations on Protec- 

 tive Adaptations and Habits, mainly in Marine Animals," 

 published, in English, as one of the papers on Dr. Th. Mor- 

 tensen's Pacific Expedition, 1914-16 (Vidensk. Medd. fra. 

 Dansk naturhist. Eoren., Bd. 69, pp. 57-96, PI. I), and 

 especially the " Observations on Insects " (p. 83). The author, 



