20 



of the species of Acracinae found in this interesting locality 

 and the proportions which obtain between them. 



Thirty pupa-cases of Pseudacraea imitator, 2 1 of Ps. htcrctia, 

 and 4 of Ps. boisduvali trimenii from the Durban district, 

 presented by the late A. D. Millar, Esq., of Durban, have been 

 added to the collection. 



Four specimens of Teracolus aldabrensis (Jan. 1—7, 1909) 

 from Aldabra Island were presented by J. C. F. Fryer, Esq. 



A fine scries of 213 American Hymenoptera were presented 

 by G. A. James Rothney, Esq., a valuable addition to the 

 splendid collection given and continually enriched by the 

 donor. 



Six OrnitJioptcra, 1 Papi/io, and 3 Kallima from various 

 localities were presented by the Hon. Walter Rothschild, 

 F.R.S. 



Additions to the Collections in 1911. 



A large number of specimens presented in 191 1 have been 

 catalogued and incorporated in 191 2. The additions to the 

 British collections are especially notable. 



Of the splendid collection presented in 191 1 by W. A. 

 Lambom, Esq., the following very small proportion has been 

 incorporated. All specimens were captured or bred by the 

 donor in the neighbourhood of Oni Camp, 70 miles E. of 

 Lagos. 



Thirty-seven Papilioniiiac, including P. dardanus. cypracofila, 

 cynorta, and menestkeus. Many of the specimens were bred, 

 and the precise pupa-cases have been preserved and are now 

 labelled so as to record the relationship with the respective 

 imagines. The pupa-cases of P. menestkeus and policenes are 

 especially important ; for the donor has proved that in these 

 species there is a marked power of colour adjustment to the 

 immediate environment of the pupa. The Papilios also in- 

 clude, for the bionomic scries, a o* and ? P. cynorta with 

 injuries probably inflicted by enemies, and an example of 

 P. demodocus which, while in cop. with another, was being 

 eaten by a Mantis. 



One bred example of Acraea rogersi lamborni and 3 of 



