Developing resistant plants : the ideal method of controlling insects /

Cover title.

Dynamic behavior of vinyl chloride in aquatic ecosystems /

Prepared for Environmental Research Laboratory, Office of Research and Development, U. S. Environmental Protection Agency, Athens Georgia.

Insecta Saundersiana; or, Characters of undescribed insects in the collection of William Wilson Saunders ...

The collection was presented to the British museum (Nat. Hist.) by W. Wilson Saunders.

A handbook of the destructive insects of Victoria, with notes on the methods to be adopted to check and extirpate them.

Mode of access: Internet.

On the destruction of fish and other aquatic animals by internal parasites.

Also included in London. International fisheries exhibition, 1883. The fisheries exhibition literature.

Aquatic plants of the Pacific Northwest, with vegetative keys,

Mode of access: Internet.

Aquatic plants of the Pacific Northwest, with vegetative keys

Mode of access: Internet.

Organochlorine pesticides and PCBs in aquatic ecosystems of the Central Columbia Plateau.

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.

An aquatic biologist's view of water renovation

Caption 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.'"