( xxiv ) 



and a more or less abbreviated light central farrow, more or 

 less developed, which ceases at the anterior tliird of the 

 fourth segment ; the first segment has the lateral margins 

 parallel ; the ninth is bilobed in the female and rounded in 

 the male, with a single long silky hair, and a short terminal 

 spine. The vulva is furnished with two narrow bands behind, 

 and two spots in front ; the genital organs of the male arc 

 normal. 



The general colour is more or less dark chestnut, with 

 blackish bands. 



Dimensions : ? 22-2"" ; ^ ll'i"". 



On jEgialitis asiatica : the genus is closely allied to N. 

 acutifasciatus, which infests Plotiis melanogaster, and to 

 N. bicuspis, Nitsch, which is parasitical on Charadriiis minor 

 and C. kiaticida : it differs in size, colour, and certain other 

 details. 



August 6, 1890. 



Henry J. Elwes, Esq., F.L.S., F.Z.S., Vice-President, in 

 the chair. 



Donations to the Library were announced, and thanks 

 voted to the respective Donors. 



Election of Fellows. 



Major-General George Garden, of Douglas Lodge, Surbiton, 

 Surrey, and the Army and Navy Club, Pall Mall, S.W. ; and 

 Sir Vauncey Harpur-Crewe, Bart., of Calke Abbey, Derby- 

 shire, were elected Fellows. 



Exhibitions. 



Mr. P. Crowley exhibited two species of butterflies from 

 the West Coast of Africa, which he jDroposed to name respec- 

 tively Charaxes gabonica and Cymothoe marginata. He also 

 exhibited several other new species of butterflies from Sierra 

 Leone and other parts of Africa, which had been recently 

 described by Miss E, M. Sharpe, in the ' Annals and Maga- 

 zine of Natural History' for July, 1890. 



