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

Letters from Higginson and Vigors to Philip Lutley Sclater regarding the proposed Regent's Canal Railway

Letters from Thomas Hillier to Philip Lutley Sclater regarding complaints made about the nuisance arising from the drainage of the gardens of the Zoological Society of London into Regent's Canal

Letters from Murray M Johnson to Philip Lutley Sclater regarding the Zoological Society of London being liable for a surveyor's fee, the Society's position as tenants, sewers and drains in the gardens, a bill in chancery regarding pheasants which were claimed by the Acclimatisation Society, the lease for the piece of ground on the north side of the canal, the purchase of premises situated in Hanover Square and Oxford Street, and Regent's Canal railway

Letters from J & R Kemp and Co to Philip Lutley Sclater regarding Regent's Canal City and Docks Railway Bill

Letters from William Saville Kent of the Museum and Institute of Pisciculture Society Limited, to Philip Lutley Sclater regarding the establishment of a marine observatory and laboratory in connection with the Brighton Aquarium, his appointment as Inspector of Fisheries to the Government of Tasmania, his application to become a Fellow of the Zoological Society of London, his inspection of the fish house, enquiries about the vacant post of Prosector, and a proposed British Zoological Station for the study of marine animals and plats with relation to the advancement of the sciences of biology and economic pisciculture

Letters from North Metropolitan Railway and Canal Co. to Philip Lutley Sclater regarding drainage from the Gardens of the Zoological Society of London into Regent's Canal

Letters from Henry Pollock to Philip Lutley Sclater regarding Brighton Aquarium and the validity of proxies at the general meetings of the Zoological Society of London

Letter from Count Arnoldo Girolamo Povoleri, formerly Arnold Harris Mathew, to Philip Lutley Sclater regarding the purchase of land at Brighton for a zoological garden

Letters from Henry Scherren to Philip Lutley Sclater regarding corrections to the proof of 'Region' and the banning of members of the public during feeding time in the Reptile House