Search results for ‘Andrew Delmar Hopkins’

Defects in Wood Caused by Insects

Andrew Delmar Hopkins

Defects in Wood Caused by Insects

Andrew Delmar Hopkins

Preliminary Report on the Insect Enemies of Forests in the Northwest: An Account of the Results Gained from a Reconnaissance Trip Made in the Spring and Early Summer of 1899, Volumes 16-22

Andrew Delmar Hopkins

The Periodical Cicada or Seventeen-Year Locust in West Virginia

Andrew Delmar Hopkins

The Hessian Fly in West Virginia and How to Prevent Losses from Its Ravages

Andrew Delmar Hopkins

The Black Hills Beetle: With Further Notes on Its Distribution, Life History, and Methods of Control

Andrew Delmar Hopkins

Practical Information on the Scolytid Beetles of North American Forests: Barkbeetles of the Genus Dendroctonus

Andrew Delmar Hopkins

Black Holes in Wood

Andrew Delmar Hopkins

Insect Enemies of the Spruce in the Northeast: A Popular Account of Results of Special Investigations, with Recommendations for Preventing Losses

Andrew Delmar Hopkins

The Dying of Pine in the Southern States: Cause, Extent, and Remedy (1911)

Andrew Delmar Hopkins

Practical Information on the Scolytid Beetles of North American Forests: Barkbeetles of the Genus Dendroctonus, Part 1

Andrew Delmar Hopkins

The Black Hills Beetle: With Further Notes on Its Distribution, Life History, and Methods of Control (1905)

Andrew Delmar Hopkins

Catalogue of West Virginia Scolytidae and Their Enemies: With List of Trees Anb Shrubs Attacked

Andrew Delmar Hopkins

Insect Enemies of the Spruce in the Northeast: A Popular Account of Results of Special Investigations, with Recommendations for Preventing Losses (1901)

Andrew Delmar Hopkins

Catalogue of West Virginia Forest and Shade Tree Insects…

Andrew Delmar Hopkins

Insect Enemies of the Spruce in the Northeast: A Popular Account of Results of Special Investigations, with Recommendations for Preventing Losses (1901)

Andrew Delmar Hopkins

Insect Enemies of the Spruce in the Northeast: A Popular Account of Results of Special Investigations, with Recommendations for Preventing Losses; Volume New Ser.: No.28

Andrew Delmar 1857- Hopkins

The Periodical Cicada in W. Va.; 50

Address and Notes on Sheep; 30

Catalogue of West Virginia Forest and Shade Tree Insects; 32

Technical Papers on Miscellaneous Forest Insects. I. Contributions Toward a Monograph of the Bark-weevils of the Genus Pissodes

Report on Investigations to Determine the Cause of Unhealthy Conditions of the Spruce and Pine From 1880-1893; 56

Technical Papers on Miscellaneous Forest Insects. I. Contributions Toward a Monograph of the Bark-weevils of the Genus Pissodes

The Redwood: A Study of the Redwood, the Brown Rot Disease of the Redwood, Insect Enemies of the Redwood (1903)

Richard Thornton Fisher,Hermann Von Schrenk,Andrew Delmar Hopkins

The Redwood: A Study of the Redwood, the Brown Rot Disease of the Redwood, Insect Enemies of the Redwood (1903)

Richard Thornton Fisher,Hermann Von Schrenk,Andrew Delmar Hopkins

The Redwood: A Study of the Redwood, the Brown Rot Disease of the Redwood, Insect Enemies of the Redwood (1903)

Richard Thornton Fisher,Hermann Von Schrenk,Andrew Delmar Hopkins

Catalogue of West Virginia Scolytidae and Their Enemies: With List of Trees Anb Shrubs Attacked Volume 31

Canadian Fossil Insects [microform]