( xii ) 



specimens exhibited, but the black margins are deepei'. They 

 ai-e labelled imlonus, Zeller. 



" The -polonns of Zeller has been considered by some to be a 

 variety of L, hellargtis, and it is included with that species by 

 Staudinger in the last edition of his Catalogue, but I thiuk 

 there is no doubt that it is a form of L. corydon. I take it 

 that as L. bellargus in Arragon is very typical, and Staudinger 

 does not give any form of L, conjdon except the type and var. 

 hispana and cdbicans as occurring there, he refers to forms 

 exhibited to-night. 



" That they are not a form of L. bellargus is I think evident 

 from the specimens I exhibit of both species, neither the upper 

 nor under sides having any resemblance to that species. 



"Z. bellargus, very typical in form and worn to rags, was 

 abundant in the Guadarrama Gorge, near Albarracin, about 

 July 20th, whereas the blue corydon were in good condition 

 some fifteen miles away, and at about the same altitvide, on 

 August 7th." 



Dr. G. B. LoNGSTAFF exhibited four species of Acrxa taken 

 in South Africa during the visit of the British Association, 

 viz. : — 



1. A. anemosa, Hew., from the Victoria Falls, and Mochudi 

 in Bechuanaland. Both sexes in good condition. 



2. A. alboradiafa, Auriv., previously known to Mr. Roland 

 Trimen by two females only, and considered by him as a 

 variety of anemosa. This s})ecies was abundant near the 

 hotel at the Victoi'ia Falls, flying about the tops of trees, late 

 into the afternoon, or even at dusk. The females were in 

 far better condition than the males. After examining a long 

 series Mr. Trimen is disposed to think it a distinct species, 

 which should bear the name given by Aurivillius to Mr. 

 Trimen's original specimen when believed to be merely a 

 variety of anemosa, 



3. A. atolmis, Westw. In the Hope Collection are West- 

 wood's types of two forms of this, to which he gave the names 

 of atolmis and acontias. There seems no doubt they are one 

 species. They wei*e taken by F. Gates near the Victoi'ia 

 Falls in January, 1875. Mr. Trimen has specimens from 

 Damaraland. Some of the specimens exhibited retain much 



