The influence of environment physiology and heredity on the morphology and color patterns of migratory locusts.

This is an Ecology term paper.

A handbook of British birds : showing the distribution of the resident and migratory species in the British islands, with an index to the records of the rarer visitants /

Bibliographical footnotes.

The book of migratory birds met with on Holy Island and the Northumbrian coast, to which is added descriptive accounts of wild fowling on the mud flats, with notes on the general natural history of this district.

Mode of access: Internet.

Games and fish laws ... and federal regulations for protection of migratory birds.

Description based on: 1915-1916. ; title from cover.

Observations on mass flights and other activities of the migratory grasshopper /

Includes bibliographical references (p. 46).

The migratory farm labor problem in the United States : report.

Vols. for 1962-64 called 2d-4th.

Webless Migratory Game Bird Research Program, project abstracts.

Description based on: 1999.

Migratory waterfowl shortage. Hearings before the Special committee on conservation of wild life resources, United States Senate, on the protection and preservation of migratory waterfowl in the United States. April 4, 5, and 6, 1932. Printed for the use of the Special committee on conservation of wild life resources.

Mode of access: Internet.

Mexican migratory workers of south Texas /

At head of title: Federal works agency. John M. Carmody, administrator. Work projects administration. F. C. Harrington, commissioner. Corrington Gill, assistant commissioner. Division of research. Howard R. Myers, director.

Farmworkers in rural America, 1971-1972 : hearings ... Ninety-second Congress, first and second session.

Hearings held July 22, 1971-

Migrant and seasonal farmworker powerlessness. : Hearings, Ninety-first Congress, first and second sessions.

Hearings held June 9, 1969-July 24, 1970.

Nongame bird strategies /

"This document was prepared by staff biologists Elisabeth Cummings and John L. Trapp" --P. 2.

Periodic report /

Title from cover.

West Indies workers brought to the United States for emergency wartime employment : 1944-1946 /

"December 1946."

National conference on conservation of game, fur-bearing animals and other wild life.

"Appendix II. The Northwest game act" : p. [165]-169.