Directions for collecting recent and fossil plants,

At head of title: Smithsonian Institution. United Stated Naitonal Museum.

The life of a fossil hunter,

Mode of access: Internet.

Recovery plan for two insects (Polyphylla barbata and Trimerotropis infantilis) and four plants (Chorizanthe pungens var. hartwegiana, Chorizanthe robusta var. hartwegii, Erysimum teretifolium, and Polygonum hickmanii) from the Santa Cruz mountains : technical and agency draft /

"August 1997."

Impact of insects on multiple-use values of north central forests : an experimental rating scheme /

Cover title.

A natural history of the globe, of man, of beasts, birds, fishes, reptiles, insects and plants.

"The English edition of this work appeared under the title of 'Buffon's Natural history, &c.'"