London's Rivers by Sam Facey

The London Natural History Society (or LNHS as it is commonly known) is a local natural history society within the UK concerned with recording the wildlife of London, covering a circular area covering a 20-mile radius from St. Paul's Cathedral. The society aims include to foster the appreciation and study of London's wildlife and natural environment and assisting in the conservation of wildlife in the London area by helping to record London's wildlife. Society activities include running both indoor and outdoor events throughout the year and producing a number of publications, including the annual London Naturalist and London Bird Report. The LNHS library is housed at the Natural History Museum, London.