Copies of letters regarding the drainage system of the gardens of the Zoological Society into Regent's Canal, with accompanying map

Letter from Edgar Chatterton to Philip Lutley Sclater regarding no longer being able to view the animals behind the cages following reports in the newspapers about the way in which the reptiles were being fed in the reptile house

Superintendent Abraham Dee Bartlett's report upon drainage of the Zoological Society of London Gardens into the Regent's Canal