| Miscellaneous Reports of the Institute for Nature Study | date of publication | 
          
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            | Miscellaneous Reports of the Institute for Nature Study No.28 | March 1997 | 
          
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                |  | Hisai, N. : | P.1 | 
              
                |  | Ecological observation on hibernation of Japanese common gecko, Gekko japonicus (Dumeril et Bibron) |  | 
              
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                |  | Sugawara, T.: | P.7 | 
              
                |  | Acid rain in the Institute _for Nature Study (2): Comparison of acid rain between inside and outside of a forest |  | 
              
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                |  | Hisai, N. : | P.27 | 
              
                |  | Notes on newly or rarely observed animal species in the Institute for Nature Study (9) |  | 
              
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                |  | Chiba, S. and Fujimura, H.: | P.33 | 
              
                |  | The inquiry about the behavior and habit of crows in Tokyo Metropolis (1995) |  | 
              
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                |  | Chiba, S. : | P.41 | 
              
                |  | A study of the change of urban environment in relation to human activity and bird (especially Crows) life (1995) |  | 
              
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