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Pictorial keys : arthropods, reptiles, birds, and mammals of public health significance.
  • Published Date:
    5/22/2000
  • Language:
    English
Filetype[PDF-12.74 MB]


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Pictorial keys : arthropods, reptiles, birds, and mammals of public health significance.
Details:
  • Description:
    Public health biologists are often responsible for teaching animal identification to personnel (sanitarians, engineers, physicians, veterinarians, etc.) without special training in taxonomy. One of the most successful devices for such training has been the pictorial key. The first U.S. Public Health Service pictorial key was devised by Stanley B. Freeborn and Eugene J. Gerberg (1943) to guide personnel in the identification of anopheline mosquito larvae during our national malaria control program.

    After the Centers for Disease Control and Prevention (CDC) was founded (1946) additional keys were developed. At present the CDC utilizes more than 75 such keys in its regular training program. These are the major items incorporated into this booklet. Apropos morphological diagrams are also included.

    Precise identification of disease vectors is essential to their efficient control. In using the following keys it should be remembered that only a few of them include all species in a group, and that determinations made using them are only tentative.

    The pictorial keys are typical of identification keys found in reference works and scientific papers except that they are arranged as diagrams and are illustrated. After making the first choice offered at the top of each page, follow the black lines or indicated numbers to secondary choices until the correct identification has been made. Note that, in some cases, the identification can be made in the first choice.

    "This publication was previously issued under the same title by the Centers for Disease Control and Prevention of the U. S. Public Health Service, Atlanta, Georgia."

    Publication date from document properties.

    CDC_Pictorial_Keys.pdf

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