42 Yorkshire Naturalists Union: Annual Report, 1915. 
facilities, but useful investigation has been carried out at 
Keighley, Hambleton, and other places, results being published 
in The Naturalist. No very conspicuous change in distribution 
of mollusca fauna has been observed. 
MARINE BioLoGy COMMITTEE.—Dr. J. Irving writes :— 
For obvious reasons marine work this year cannot be compared 
with that of former years. The death of the Rev. F. H. Woods, 
B.D., in March, deprived the Committee of its energetic con- 
vener. Many additions to the microscopic mollusca of our 
coast are due to his periodic and systematic investigation 
of every available region where the shells of these minute 
organisms were likely to be found. It was deemed advisable 
to abandon the week-end meeting which was fixed to take 
place at Scarborough in September. 
In August, at Cloughton Wyke, the remarkable abundance 
of Ligia oceanica, our largest British isopod, was noted. 
Lucernaria campanulata, which appeared in number, locally 
circumscribed, in South Bay, Scarborough, and in Robin 
Hood’s Bay, two years in succession, is gone. Frequent 
careful and diligent search has failed to discover a single speci- 
men. On the other hand the sea-hare Aplysia punctata, which 
during these two years was conspicuous by its absence, is this 
yea particularly evident, occupying alge formerly favoured 
by Lucernarians. A single female specimen of the vary rare 
crab, Pirimela denticulata, was recently taken alive in South 
Bay, Scarborough, and recorded, but its habitat is elsewhere. 
Accidental forces must have driven’ it on to the rocks. 
BOTANICAL SECTION. 
Mr. J. F. Robinson and Mr. C. A. Cheetham write :—There 
has been an increase of energy on the part of those able to attend 
the meetings, and if the addition of new species is scanty, the 
careful reports of the rambles help to confirm and bring up-to- 
date the older records. 
The delay in the publication of the supplement to the West 
Riding Flora is a difficulty to the recording sections for that 
area. On many occasions a new locality for some species has 
been announced in The Naturalist whereas, possibly, this 
exact record had been made previously by some other person 
whose lists had been forwarded for publication in the above 
mentioned work. Some of the Bryological additions have been 
recently published in The Naturalist to obviate this difficulty, 
but it is to be hoped that sufficient subscribers will be forth- 
coming to warrant publication of the supplement. 
The Section has always been well represented on the 
general excursions, and in addition a special meeting was held 
Naturalist, 
