() xeni..*) 
Mr. H. Goss exhibited, for Mr. Frank W. P. Dennis, of 
Bahia, Brazil, several nests of Trap-door Spiders containing 
living specimens of the spider, and read a communication 
from Mr. Dennis on the subject. Several photographs of the 
nests and the spiders were also exhibited. It was stated 
that Mr. Dennis had found these nests at Bahia in one spot 
only in a cocoa-nut grove close by the sea. 
Paper read. 
Mr. McLachlan read a paper entitled ‘On species of 
Chrysopa observed in the Hastern Pyrenees; together with 
descriptions of, and notes on, new or little-known Palearctic 
forms of the genus.” The author stated that the species 
referred to in this paper had been observed by him in the 
Eastern Pyrenees, in July, 1886, when staying with Mons. 
René Oberthiir. After alluding to the nature of the district, 
and its capabilities from an entomological point of view, the 
paper concluded with descriptions of certain new palearctic 
species of the genus. Dr. Sharp, who said that he was 
acquainted with the district, and Mr. Merrifield made some 
remarks on the paper. 
May 10, 1893. 
Henry Joun Exwes, Esq., F.L.S., F.Z.5., President, in 
the chair. 
Donations to the Library were announced, and thanks voted 
to the respective donors. 
Election of a Fellow. 
Mr. A. Cowper Field, of 81, Wiltshire Road, Brixton, §.W., 
was elected a Fellow of the Society. 
Hahibitions. 
Mr. MeLachlan exhibited, for Dr. Fritz Miller, the larve 
and pupe of a dipterous insect, Paltostoma torrentium, and 
read the following letter from Dr. Fritz Miiller on the 
subject :— 
