Directions for preparing scientific specimens of large and small mammals, birds, birds' stomachs for economic investigations, birds' nests and eggs, fish and reptiles /

"Issued January 15, 1914."

Performance of a sand trap structure and effects of impounded sediments, Channel Islands Harbor, California /

"October 1982."

The Triumph of Death: living pushed into a trap

Pieter Bruegel the Elder; tempera and oil on panel

Birds of the Olympic Peninsula : a scientific and popular description of 261 species of birds recorded on the Olympic Peninsula, either as resident, summer resident or in migration, together with description of their nests and eggs /

Mode of access: Internet.

Eggs and nests of British birds /

Includes index.

British birds' eggs and nests : popularly described /

Includes index.

An electric discharge as a trap for diffusion pump vacuum systems /

An electrical discharge is used as a trap for a diffusion pump using DC-704 silicone pump fluid. The discharge cracks the pump fluid vapor thus taking it out of the system. In the process much hydrogen and some other lighter gases are evolved.

British birds, with their nests and eggs.

Mode of access: Internet.

I. A comparison of light trap and animal bait trap Anopheline mosquito collections in Puerto Rico. II. A list of the mosquitoes of Puerto Rico,

"Reprint no. 2541 from the Public health reports, Vol. 59, no.7. February 18, pages 221-233."