THERMOMETRIC A L EXPERIMENTS 
AND 
Q B S E R V A T I O N S t 
By TIBERIUS CATALLO, F. R. S. 
Who was nominated by the Prefident and Council to profecute 
Difcoveries in Natural Hiftory, purfuant to the Will of. the 
late henry baker, Efq. F. R. S. 
Read at the ROYAL SOCIETY, June 15, 1780, 
