Yorkshire Nahiraiists at Askern. 371 



For the Conchological Section the report was g-iven by 

 Mr. John W. Taylor. The work of the day had been done 

 by himself, Mr. W. Denison Roebuck, F.L. S. (president of 

 the section), and Mr. VV. H. Hutton, all of the Leeds Concho- 

 logical Club, and Mr. J. W. Hart of Doncaster, and some 

 specimens were brought by Mr, E. G. Bayford and Mr, H. H. 

 Corbett, The district is to some extent classic land, for many 

 of the Yorkshire Conchologists have at one time or another 

 visited Askern. Most of the day's collecting was done in 

 Campsall Park, the ditches intersectingf it and the large pool 

 yielding Limncea peregra^ L. auricularia in its characteristic 

 young stag"e, Physa fontmalis, Planorbis albus, PL vortex, 

 PL complanatus, PL carinatus, Bythinia tentaculata, B. leachii, 

 Valvata piscinalis var. acuminata (the best find of the day), 

 Succinea putris, Anodonta cygnea var. aretiaria, Unio tiimidus, 

 Spho'rium corneion, Pisidium fontinale, and P. ohtiisale. Of 

 land shells the only ones seen in Campsall Park were Patiila 

 rotundata and Vallonia pidche/la, and of slugs — it being- so 

 very dry — only Agriolimax agrestis, an Arion ater, and tracks 

 on beech trunks referable to Limax arboriun. Round the pool 

 at Askern Helix aspersa and H. cantiana were abundant, and 

 Mr. Bayford brought H. caperata var. hizonalis (fine), and 

 Cochlicopa lubrica from Kirk Smeaton. 



Later in the day the mole hills in the low-lying fields were 

 searched, and the following species collected of sub-fossil 

 shells : Limncea palustris (fine and large), L. peregra, L. trunca- 

 ttcla, Planorbis corneiis, PL complanatiis, PL spirorbis. PL vortex, 

 Bythinia tentaculata, Valvata cristata, Sphcerium corneum, 

 Succinea pntris. Helix nemoralis, H. hispida, Vallonia pnlchella, 

 Hyalinia crystallina, and Cochlicopa liibrica. 



The total enumeration sums up to thirty-three species in all, 

 of which eight were found in the sub-fossil state only, seventeen 

 in the living state only, and eight in both. The best .find of the 

 day was the fine example of the var. acuminata of Valvata 

 piscinalis. 



For the Entomological Section (Lepidoptera) Mr. A. 

 Whitaker reports : — A number of common Butterflies and 

 Moths was noted, E. ianira being- greatly in evidence, and 

 specimens of Hyperanthns being also noticed. The most 

 interesting ' find ' was a specimen of D. furcula, which was 

 beaten from an alder tree in the bog (raising for an instant 

 wild hopes that it might prove to be bicuspis I). The specimen 

 was a female, and has laid some thirty ovae since its capture. 



1906 October i. , 



