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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Hayward, Kenneth J
    Type: Article
    In: Anales de la Sociedad Científica Argentina
    Volume: 130
    Date: 1940
    Page Range: 70--94
    Publication Info: Buenos Aires [Sociedad Científica Argentina]
  2. By: Hayward, Kenneth J
    Type: Article
    In: Papéis avulsos do Departamento de Zoologia
    Volume: 2
    Date: 1942-12-01
    Page Range: 171--177
    Publication Info: São Paulo A Secretaria 1940-1966
  3. By: Hayward, Kenneth J
    Type: Article
    In: Anales de la Sociedad Científica Argentina
    Volume: 119
    Date: 1935
    Page Range: 262--266
    Publication Info: Buenos Aires [Sociedad Científica Argentina]
  4. By: Hayward, Kenneth J
    Type: Article
    In: Anales de la Sociedad Científica Argentina
    Volume: 119
    Date: 1935
    Page Range: 256--261
    Publication Info: Buenos Aires [Sociedad Científica Argentina]