Letters from McIlvaine, William to Charles Lyell, 8 March 1842 - 1 June 1847

Includes two letters to Mary Lyell from McIlvaine from 1846-47. Earliest dated letter is summarised as 'on Hopkins 400m of crust of earth 1846', the other letters are conversational in manner, updating both Lyells [tone assumes both are reading the letters] on local news and associates - summarised as to Charles 'on Holy Innocents', and to Mary on 'Glenroy, Season for Cropping, [Mayall's] Daguerreotype, Calendars, Meteor, Abolitionist, Black Church, Tariff', to Mary, an unsummarised letter, to Mary on 'Adams [and Webster?], Dickens Human Bone, Miss Henry [Shippes?] marriage, Calendar, Grotes Greece, Hummingbirds, Sea Serpent, HD Rogers, Morton on Hybridity, Church Calendar' and to Charles on 'Chemical Chair at Philadelphia, Mesmerism' [mentions Martha Loomis].