Scientific investigations. Return with respect to the amounts voted to the department of the Privy Council Office for Auxiliary Scientific Investigations, in each of the years 1871-2, 1872-3, 1873-4, and 1874-5; showing in detail the separate payments made out of the sum so voted in each year, the persons to whom such payments were made, and the nature of the investigations undertaken; together with the dates and titles of the reports made thereon [electronic resource].