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Show Hibernating Bats. Nearly all bats havo tho faculty of hibernating. Their hibernation, how. aver, Is not perfect that is to say, hat when tho waim days occur in tho nidille of wlntor they wake up, to-jethor to-jethor with tho Insects which aro heir food. Still, theirs is a true 111-crnatlon 111-crnatlon trauce, differing from sleep, r'tlt very low rato of pulso, heart ac- .:i nnd respiration. Probably they .-ctild endure Immersion in vrater for 1 hour or two without drowning, aa 1'or hlbornators havo been found to |