Manchester Memoirs, Vol. Hi. (1908), No. 11. 



between 11 p.m. and 11-30 p.m. On several nights the 

 bats did not awake at all, and on some only one was 

 active ; a table of dates with temperatures in the room 

 and in the open shows a remarkable irregularity, which 



After this both bats awoke and fed regularly. 



can, I fancy, only be explained by the altered conditions 

 under which the bats were living in confinement. On 

 the night of the 8th, for instance, when the temperature 



