自然观念

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[186] Marks，Robert B. 1998 Tigers，Rice，Silk and Silt：Environment and Economy in Late Imperial China. Cambridge：Cambridge University Press.99-100，331，and 344-45.在中国南方，最多仅有30头老虎在野外存活。请参见Tilson，Ron 2002 “Tracking Phantom Tigers.” Minnesota：The Magazine of the University of Minnesota Alumni Association 102，1：26-30。

[187] Reed，Charles A. 1965 “Imperial Sassanian Hunting of Pig and Fallow-Deer，and Problems of the Survival of These Animals Today in Iran.” Postilla 92：16-22.

[188] 参见Hillel，Daniel 1991 Out of the Earth：Civilization and the Life of the Soil. Berkeley：University of California Press.75。