| Miscellaneous Reports of the Institute for Nature Study | date of publication | 
          
            |  | 
           
            
            | Miscellaneous Reports of the Institute for Nature Study No.31 | March 2000 | 
          
            |  | 
          
            |  | Hisai, N. : | P.1 | 
          
            |  | Notes on newly or rarely observed animal species in the Institute for Nature Study (12) |  | 
          
            |  | 
          
            |  | Kano, R. : | P.9 | 
          
            |  | Report of hippoboscid flies collected in the Institute for Nature Study, National Science Museum |  | 
          
            |  | 
          
            |  | Abe, N. : | P.13 | 
          
            |  | Unprecedented distribution of the cranes in 1995-96 and 1997-98 wintering seasons |  | 
          
            |  |