104 
MICROSCOPICAL AND NATURAL HISTORY SECTION. 
February 11th; 1878, 
J. Barrow, Esq., in the Chair. 
Mr. Binney, F.R.S., sent a Marine Alga from the Isle of 
Man for identification. It was not in fruit, but was un- 
doubtedly an unusually narrow fronded form of Chondrus 
crispus (Lamx.). 
Mr. C. Bailey, in the absence of Mr. Hurst, read a paper 
by the latter 6( On the Best Method of Collecting and Pre- 
serving Plants for Herbarium Purposes, when gathered in 
Tropical or Subtropical Countries.” 
Mr. J. Boyd exhibited slides of Spongilla fluviatilis, the 
fresh -water sponge, showing spicules. 
PHYSICAL AND MATHEMATICAL SECTION. 
December 4th, 1877. 
E. W. Binney, F.R.S., F.G.S., Vice-President of the Section, 
in the Chair. 
“ Transit of the Shadow of Titan across the disc of 
Saturn, November 23rd, 1877,” by Joseph Baxendell, 
ERAS. 
The weather at Rirkdale on the evening of the 23rd of 
November was stormy with thunder, and showers of rain 
