Scope and Contents "Mud Hens." Biological description of the mud hen or "coot."; "Egg Hunting in South Dakota." Account of an expedition, 2 June 1887, to Sanford's Lake, South Dakota, to collect birds' eggs.

Scope and Contents "The Carnegie Museum Expedition in North Dakota, Montana and Idaho in the year, 1905." Account of trip to collect fossils of vertebrates and invertebrates for Carnegie Museum. Geologic problems were analyzed.

Scope and Contents "Genius." Attributes that make a genius; "Classification Juniors." Humorous account of South Dakota Agricultural College junior class as if they were a scientific class with genus and species; "A September Afternoon in South Dakota." Personal trip to Big Sioux River with friends; "The Oldest Monument." Description of rock outcropping of the Archaeon formation in Minnesota.

Scope and Contents "The Dinosaur National Monument and Its Surroundings." Account of dinosaur bones and their discovery and description of the land. (Three versions, only one complete.)

Scope and Contents "An Interesting Exploring Expedition and Its Results." Brief account of Douglass entering the dinosaur quarry area the first time; "Significance of a Natural Museum at the Dinosaur National Monument"; "The Dinosaur National Monument." Description of the monument and its significance; "The Carnegie Museum Dinosaur Quarry and National Monument." Brief resume of events leading to the discovery of the quarry.

Scope and Contents "Dreams and Realizations of a Fossil Hunter." Importance of the discovery of fossils from a philosophical point of view centering on the thesis that such discovery helps man know his own background.

Scope and Contents "How the Records of Past Ages are Made." Autobiographical account of fossil hunting in Montana; "A Day With Fossil Insects." Discovery of fossilized insects in eastern Utah; "Western Explorations for Fossil Animals." Incomplete manuscript; "Discovery of Plants of Past Ages." Incomplete manuscript; "Hunting Unknown Animals." Expedition in Montana looking for fossilized animals; "Talks With a Fossil Hunter." First talk, written under the pseudonym of Douglass Lear, answers questions on the...

Scope and Contents "Collecting Extinct Animals in the West." Account of an expedition; "Ancient Life in a Mountain Valley." Written under the pseudonym Douglass Lear, Douglass portrays himself as a lone "miner" looking for bones not sapphires as thought by the men in the story.

Scope and Contents Incomplete manuscripts.

Scope and Contents "What Can the Life of Columbus Teach Us?" The contribution of Columbus to mankind and that each person should try to make his/her own contribution; "Where Knowledge Begins." Commentary on progress; Untitled. Description of the entry of the covered wagon into Missoula, Montana, in 1899; Untitled. Historical account of Saint Louis and the Mississippi River; "The Laramie Question." Account of the Hayden Expedition, beginning in 1854 along the Missouri River in search of shells and plants.