Scope and content Manuscript journal titled Memoranda ornithologica, with entries dated from 1850-1881, documenting bird sightings, bird collecting, and bird people in and about Boston, Massachusetts in the mid-1800s. It cites conversations with Henry David Thoreau while birding along the Concord River, and includes many notes on bird observations and birds collected in eastern Massachusetts, including passenger pigeons. With the journal are two letters. One is from physician and ornithologist Elliott Coues,...