| Miscellaneous Reports of the Institute for Nature Study | date of publication | 
          
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            | Miscellaneous Reports of the Institute for Nature Study No.15 | March 1984 | 
          
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                |  | Yoshito Wada, Masakazu Takahashi and Takaya Ikemoto: | P.1 | 
              
                |  | Mosquitoes of the Institute for Nature Study (Insecta: Diptera) |  | 
              
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                |  | Kan-ichi Sakagami, Yoshimasa Seto and Nobuo Hisai: | P.3 | 
              
                |  | Seasonal changes in water qualities at ponds and springs in the Institute for Nature Study |  | 
              
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                |  | Kan-ichi Sakagami,Satoshi Kudose and Ryunosuke Hamada: | P.13 | 
              
                |  | Soil microflora at several types of forests in the Institute for Nature Study |  | 
              
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                |  | Nobuo Hisai: | P.21 | 
              
                |  | Ecological studies of Bufo bufo formosus Boulenger (VIII): Seasonal changes of postmetamorphic growth rates |  | 
              
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                |  | Tohzo Okamoto: | P.33 | 
              
                |  | Investigation of the earthwork around the former Imperial Estate |  | 
              
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