记安徽泗洪县下草湾发现的巨河狸化石并在五河县戚咀发现的哺乳类动物化石

• ON A NEW TROGONTHERIUM FROM HSIATSAOHWAN,SHIHHUNGHSIEN AND WITH NOTES ON THE MAMMALIAN REMAINS FROM CHI-TSU,WUHOHSIEN,ANHWEI