Search: ‘Andrew Delmar Hopkins’

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

Andrew Delmar Hopkins

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the…

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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

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

Andrew Delmar Hopkins

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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

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The Periodical Cicada or Seventeen-Year Locust in West Virginia

Andrew Delmar Hopkins

This is a reproduction of a book published before 1923. This book may have occasional imperfectionssuch as missing or blurred pages, poor pictures, errant marks, etc. that were either part…

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The Periodical Cicada in W. Va.; 50

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Address and Notes on Sheep; 30

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Cover image for Catalogue of West Virginia Forest and Shade Tree Insects; 32

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Catalogue of West Virginia Forest and Shade Tree Insects; 32

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

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

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

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

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

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

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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"" is a comprehensive study of the iconic redwood trees that dominate…

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Canadian Fossil Insects [microform]

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