Circulars and letters on the observations of various minor planets, some newly discovered, and extensive works on comets, correspondence relating to comets and newspaper articles. There is a print drawing and description of Donati's comet; a letter from J.F. Encke on his comet; an article from 'The London Review', 13 July 1861, on the Great Comet of 1861; a listing of comets; and a piece on minerals in England. There is also a letter sent anonymously to 'Professor Faraday'.