120 l^'*J'' 



grcecum sesquipedale, was known. Mr. C. O.Waterhouse stated that the collections 

 received at the Bi-itish Museum from Madagascar had been examined with the view 

 to the discovery of the species, but up to the present it had not been identified. 



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 Bahla in one spot only in a cocoa-nut grove close by the sea. 



Mr. McLachlan read a paper, entitled, " On species of Chrysopa observed in the 

 Eastern Pyrenees ; together with descriptions of, and notes on, new or little-known 

 Palsearctic 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. Eene 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 palsearctic species of the genus. Dr. Sharp, who said he 

 was acquainted with the district, and Mr. Merrifield made some remarks on the 

 paper. — H. Goss, Hon. Secretary. 



A SYNOPSIS OF BRITISH PSYCHOJDIBM. 



BY THE EEV. A. E. EATON, M.A., F.E.S. 



{continued from page 34). 



Species of the 1st Section of Peeicoma \ 



(Analytical Key, Steps 4a, 3, 1). ^ i-»^ / 



1 — — ■ Wings whitish or greyish, with the tip and one or two transverse zig-zag 



fasciae blackish ; tarsi black at the ends. Similar in general aspect to 



certain species of the 2nd Section of the genus 2. 



a — Wings brownish or black-brown, varied near the base with some light 

 coloured hair-spots just before the forks, and again with some smaller 

 ones arranged in a transverse angulated series, about midway between 

 the former spots and the tip of the wing ; tarsi blackish, with a light 

 gloss at the apical margins of the joints, and also sometimes on the 

 dorsum of the 2nd joint, and at the base of the 1st joint 5. 



2 — (1) Hinder tibiae with blackish hair at the tips ; anterior tibia in <J less dis- 



tinctly blackish at the extreme tip externally than in the $ ; tarsi impure 

 whitish, with the last two joints in $ , or last three in ? , blackish. 

 Apical fringe of the wing whitish from about the posterior branch of the 

 radius to the anterior branch of the pobrachial nervure ; posterior fringe 

 blackish, sometimes overlain with whitish hairs in two places ; radius in 

 (J meets the anterior basal cell at a point distant very little more than 

 the cell's apical width from the cell's end. Superior <? appendages 2- 

 jointed ; basal joint stout, rounded externally, concave ; 2nd joint 

 uncinate, dilated at the base, folding down into the concavity of the 

 former. Wing, 3 to 4 mm. long 1. P. palusbris, Meigen. 



a — Hair at the tips of the tibise light coloured, or else not darker than else- 

 where 3. 



