This field book is a diary from 4 July to 28 September 1928 documenting Graham's field collecting trip from Ningyuenfu (currently Xichang) via Yachow (currently Ya'an). Graham provides a narrative description of daily activities including amounts and types of specimen collected by him or associates. Graham collected birds, mammals, snakes, and insects. Mammal numbers range from 110-116. Locations in which Graham collected include various localities along the route to modern day Xichang via modern day Ya'an. Graham often includes altitudes of localities where specimen were found. Descriptions of some specimen are occasionally provided. Graham also conducts ethnological and anthropological research during this trip. No scientific names are provided.
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