s 
224 THE YORKSHIRE NATURALISTS’ UNION AT SEDBERGH. 
to ascend the Rawthey across the Dent Fault, the members 
gaining much assistance from the detailed notes given in the 
programme by Mr. Aubrey Strahan, F.G.S. The party drove 
in a a about six miles to Rawthey Bridge, the ‘Old 
e onglomerate’ being pointed out to the new comers at 
Straight Bridge. Thence along the Silurians, noting the chief 
and as the distance from the fault increased the Hardraw Scar Lime- 
stone appeared approaching the horizontal again. Time now 
compelled a return, so the party turned backward, at an angle 
of about thirty degrees with the river, across the moor, and passing a 
row of pot-holes indicating the line taken by the vertical Limestone 
beds previously seen in the river, the members climbed up to the 
Diabase capping Blue Caster. Thence down to the Cross Keys 
again and back to dot passing a very hearty vote of thanks to 
Mr. Richardson en route. 
On behalf of he Conchological Section, and in the absence of 
all its officers, specimens were collected on all the routes by various 
members, and Mr. W. Denison Roebuck, F.L.S., who gave the report, 
remarked that the attention given to the mollusca was not very 
systematic, and only 24 species were collected in all, consisting 
of 3 freshwater Diedinctier hi fluviatilis, Limnea peregra, an 
rues tic tO 8 slugs—Agriolimax agrestis, Limax marginatus 
(=an . maximus (one, very small), and all the five British 
a ot ins genus Arion, viz., A. ater, A. subfuscus, A. hortensts, 
N. Naturalist, 
