12 



Another smaller group of 4 specimens showed the same 

 tendency to be strongly marked in two larger species of 

 Acraea {A. anciiiosa and A. natalica), also captured on the 

 same day. 



A specimen of Teracobis pJilcgyas (female) subjected to 

 damp heat in the pupal condition. 



Twenty butterflies showing injuries probably caused by the 

 attacks of enemies. 



Five beetles taken almost uninjured from the crop of a 

 guinea fowl [Nmnida coi'onata). 



A large convergent group of 45 insects of various Orders, 

 all red-brown in colour with a black patch on the posterior 

 part of the body or wings. The appearance is evidently mimetic 

 of Lycid beetles, of which several species are included. The 

 group comprises many beetles in addition to the Lycidae, 

 many Hymciioptera^ a fly, two moths, and a bug. 



Other interesting groups are — 9 small beetles with a very 

 similar appearance (type of pattern that of the included 

 PJiytophagd) ; 24 large beetles with the pattern most charac- 

 teristic of ^the Cantharidae ; also small groups exhibiting 

 resemblance between Coccinellid beetles and a bug (4 speci- 

 mens) ; an Ichneumon, a beetle, and a bug (3 specimens) ; 

 wasps and an Ichneumon (3 specimens) ; 4 pairs, each con- 

 sisting of a different species of stinging Hymenopterous insect 

 and a mimetic fly; 13 specimens of Aluiillidae, spiders 

 and beetles with a similar colouring ; 2 large species of 

 Carabidae (3 specimens), with very similar apparently warning 

 markings produced in quite different ways; 16 beetles of 

 various groups with a similar type of colouring. 



Many of these examples are new species hitherto undescribed. 

 In addition to the above, Mr. Marshall has sent a magnificent 

 new fly of the genus Hypcrcchia, mimetic of an African 

 xylocopid bee. 



The 2 specimens from Natal (1897) are bugs of entirely 

 different groups, and yet with an almost identical pattern and 

 colouring. 



I have described this especially valuable material at length, 

 but we also owe to Mr. Marshall's generosity important 



