and Devon and Cornwall Natural History Society. 9 1 
On the Health of Plymouth during the month of March last, by Dr. Albert 
HiNGSTON. 
The Conversazione, at Ihe commencement of this Session, — 
the only one held,— was confined chiefly to scientific objects. 
Microscopes and Microscopic Specimens were kindly furnished by Drs. 
Dansey and Kingston, and Mr. Spence Bate. 
An Account of Tyndall's Singing and Sensitive Flames, with experiments 
in illustration, was given by Mr. Heardee, F.C.S. 
Some well-executed and interesting Photographs of Palestine and Ancient 
Euins in the East were exhibited by Mr. Heath. 
In July, your Institution united with the Koyal Institution of 
Cornwall in an excursion to the Cheesewring, and other objects of 
interest in the neighbourhood of Liskeard. About fourteen mem- 
bers joined the party. 
The Church and Holy Well of St. Cleer, the Hurlers and the 
Cheesewring, the strange habitation of Daniel Gumb, the mad 
geometrician, Doniert's Monument, Trevethey Cromlech, and the 
Caradon Mines were all visited and examined ; while a Conver- 
sazione at the Liskeard Town-hall brought to its close a day 
which will not soon be forgotten by those who had a share in its 
toils and pleasures. 
Your Secretaries venture to hope that such a day may be 
repeated, in connection with the long-expected visit of the British 
Association at Exeter in August next. If any of the learned savans, 
who will be assembled there, can be induced to visit Plymouth 
and its charming neighbourhood, the officers and members of your 
Institution will not be backward in the effort to make their visit 
pleasant, and of pleasant memory. Some means must be devised 
by which the Plymouth Institution shall be identified with the 
presence of the British Association, in Devonshire, in the year 
1869. 
During the past Session one member of long standing has died, 
who was for many years Curator of Antiquities, and a frequent 
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