364 Notes—Mollusca. 
panion seemed to have an innate faculty for finding bird’s nests, 
and was continually pointing them out to me, and before leaving 
me in the old lane leading from the Barwick road to Manston 
he pointed out to me a robin’s nest built beside this busy road ; 
standing a few yards away we watched the parent bird sitting 
on its eggs, and left hoping that no marauding youngster would 
discover its snug home. 
> 
NOTES—MOLLUSCA. 
Planorbis corneus at Skipton.—-When in Skipton ie He sday, 
4th March 1 my friend, Mr. . Wilkinson, and myse t down 
the Skipton Beck, which has been straightened by the local aati to 
prevent the flooding of the lands which adjoin it, to study the lateral 
corrosion ts by t ater. to peculiarities, 
notic wide line of flood débris, amongst which w 
a great number of Planorbis corneus L., in various stages of growth, con- 
tai he contracted bodies of the animals. any of the shells were 
broken, as if by birds in aah be the contained cpa and we noticed 
several jackdaws in the fields through which sat beck 
Je suspected that these oottes had bee washed out of some still 
water en a flood which happened some ten da ag previous to our visit. The 
record, even as it stands, is of interest.—HENRY CROWTHER, The Museum, 
Leeds, 11th April 1 
[It would be of great aici pi if Mr. Wilkinson, or some local naturalist, 
would ascertain the source whence the shells in this flood-refuse were 
derived, i.e “5 whereabout near Skipton the species occur, and whether 
the Ne is a true native of the district.—Ep. Nart.] 
the Yorkshire Naturalists’ Union at Stutton Carrs.—On 
the ‘ett of June 1899 I arrived at Stutton Station, pee taking the road to the 
Hoht 3 : ‘ in PE : 
So! 
and found that I w ery fortunate in the dry weather 0 previous visits 
to this locaaity having jointly vinided t three small Spans oti maan peregra 
on 
n the present occasion, crossing the osier-beds which are here cut 
down, I was enabled to reach the water that supplied the mill, and was at 
once gladdened by the sight of very fine examples of Limnea peregra. 
I did not search long before Z. auricularia appeared amongst them. They 
er small i 
and 
sweeping the net amongst t e Equiseta where ssible to so, 
[ obtained aisle zs albus very sparingly, and P, Pipe sfontinadis rather more 
wie In the oozy mud at the bottom ac gr of Valvata piscinalis 
po ge sizes aay their home; here also I obtained examp 
Pisum. Santina 
Turn oek, aoe in and ss - the ee side of the mill I found 
Bythinia tentaculata, Searching the marg the Cock Beck at this 
poin Shire nothing, which is soon "fully pind eh when a few ducks came 
seed ong the water. 
Having now spent from two to three hours here in the hot sunshine 
Naturalist, 
