Yorkshire Naturalists ' at Askrigg\ 211 



It is also worthy of note that many freshwater shells found 

 in g^reat abundance in the streams and ponds of the West Ridings 

 of Yorkshire, such 3.sLim?ia;a peregra, L. truTicaiulu, L. palustris, 

 Spherium corneum, Amylus fluviatilis, Bythinia tentaculata, and 

 others^ were absent here, thoug^h perhaps under more favourable 

 conditions some of these might have been met w^ith. As it was, 

 only one specimen each of the common shells Limncm peregra. 

 and Z. truncatulu vi<iS> \2ik&n on the excursion, viz., at Semmer- 

 water. Probably also the presence of various aquatic Hrds at 

 this lake accounted for the scarcity of the shells. Numbers of 

 empty shells of the Duck Mussel iAnad/jnta anatitm) indicated 

 their presence, thougfh these feathered conchologists had kindl}^ 

 left us a few alive, tog^ether with a number of Ancylus flwrnatUiSf 

 Pisidium amnicumf and PUnwrbis albus to add to Wond2iYs list, 

 which is as follows : — Anadanta anatiiia, Ancylus fluviatilis, 

 LimtuBa peregra, L. truncatula, Pisidium amnicum, Planorbis 

 albus ^ Semmerwater ; Arion ater, Agriolimax agrestis, Ariati 

 hortensis, Hyalina crystallina, H. cellarius, H. radiatulu^, If^ 

 nitidula, H. fulva, H. alliaria. Helix rotunduta, H. sericea^ 

 H. hispida. Pupa umMlicata, and Aseca tridens. Mill Gill and 

 Whitfield Gill ; Helix iienwralis (dead shelLs onh j, rupestris, 

 Balea perversa, CLausilia rugoza. dubia, Whitfield Gill ; Cochli- 

 copa lubrica, MijI Gill and Whitfield Gill; Helix arhustorum, 

 M:]l Gill, Whitfield Gill, and Bambridg^e ; H. rufescens, several 

 z . ^ zes ; H. lapicida, on Leyburn Road near Xappa Hall. 



Flowerixg Plants. — Mr. J. Hartshorn writes : — The 

 gloriously fine weather favoured those studying * Floweiingf 

 Plants,' and the whole week-end was most enjoyable. ¥.ac1i 

 r , te yielded much of interesi:, but perhaps 4he richest in the 

 , rmrsce of its characteristic blooms w'as the border of hake 

 Srrr — rr water. Here a never-to-be-forg^otten giof\' of Bogf- 

 brir Jiird^s E^e Primrose, Globe Flower, Valerian (Marsh and 

 C irnrr.cjnj, and Bay-leaved Willow compelled the admiration 

 even of non-botaniste, whilst an added treat amongst the other 

 sr ecimens gathered were two specks of Orchis — Marsh Orchis 

 h i the smaU Habenaria albida. - ' I 



Over 150 species were recorded as the result of observations 

 by the R«v. J. R- Wynne-Edwards (Head Master heeds Grammar 

 School), Mr. J. A, Jooes^of W^st Hartlepool, and ethers. Of 

 these in which ' most- interest was taken the following^ merit 

 r-ccord — Lesser Spearwort, -Globe Ylower, Herb Gristopher', 

 YeiUsw Water-Llly; Vellow Motmtaln Vansy { Viola lutea), Rbiind^ 

 l^av^d Sundew, Scurvy Grass, Large- Bitter cress {Cardamine 



