Circadian activity pattern of giant pandas during the bamboo growing season RESEARCHES ON THE FORMATIVE COURSES OF THE SPIKE COLLAR OF WHEAT IN SYSTEMATIC EVOLUTION AND INDIVIDUAL DEVELOPMENT Comparative Studies on Morphology of Seeds of Ginkgo biloba var. epiphylla A Study on the Grubs Assembling Around Green of Golf Course Sprouts characteristic structure of Taxus yunnanensis plantation Summer cave selection of Hog badger (Arctonyx collaris) on the north slope of Funiu Mountain