•240 
KEPORTS OF MEETINGS. 
and others interested in the subject, were invited. This paper 
will he found on page 211. 
On March 5th, Mr. J. G. Grenfell, F.G.S., gave an account 
of a stay of six weeks which he had made at Port Royal, Jamaica. 
He described the situation of the place, and gave an account of 
the different kinds of fish which are met with in the harbour, 
and the methods of catching them. These included the devil- 
fish, sharks, king-fish, bonitos, jack (cavaux), the remora, flying 
gurnards, diodon, tetraodon, cestracion, and others. He also 
gave an account of the many kinds of crabs found on the shore, 
and of the butterflies found on the island. Numerous specimens 
were exhibited. 
On Tuesday, March 31st, Prof. Ramsay, Pb.D., gave a lucid 
description, illustrated by numerous experiments, of the re- 
searches by Prof. Lodge and Mr. Aitken (of the Royal Society 
of Edinburgh), which showed conclusively the part played by 
dust particles in serving as nuclei on which fog may form, and 
that the absence of dust from the air renders the formation of 
fog impossible. Much interest was excited, and an animated 
discussion followed ; after which Mr. S. H. Swayne read an 
account, by Mr. Edward Wilson, of the whale recently stranded 
in the Severn. This account will be found at page 204. 
The 23rd annual meeting of the Societj’- took place on Alay 
7th. After the transaction of the usual business. Prof. Lloyd 
Morgan, F.G.S., read a paper of especial local interest, entitled 
“ Sub-aerial Denudation and the Avon Gorge.” This is printed at 
page 171. Mr. Alfred E. Hudd then mentioned the recent occur- 
rence in the neighbourhood of Bristol of a rather rare bird, the 
“Pied Flj'-catcher ” fMiiscicapa atricapilla ). “In Mr. Edwin 
Wheelers list of the birds observed in the Bristol district which 
was published in our Proceedings for 1875 (New Series, Vol. L, 
page 366), this species is described as ‘ a rare summer visitor’; 
the only one recorded from the district at that time having been 
