2月22日 星期四 北京晨阴 ，5t。Cu10， 30° 晚阴 风。
上午院长会议。
晨六点三刻起。九点三刻院长会议，讨论《科学论著丛刊》委员会组织，各所之编制，石驷马大街房屋及购买仪器等问题。十二点半回。允敏、松松在涂家中膳。下午二点至院。阅各所1950第四季报告。晚约钱临照夫妇、长望夫妇、淦昌夫妇及赵忠尧太太在寓晚膳。
L.Carrington Goodrich A Short History of the Chinese People。Chap。l，中国人很早同外方有来往。Wheat， which was cultivated first in theNear East ， appeared in China during the Bronze Age；and the domestic fowl ， wet rice ，&（the） water buffalo fromaround the Bay of Bengal were known by the beginning ofthe1st millenniumB.C.Cowry shells originated in tropical seas were used still earlier。The ox-drawn plow ， developed in the Near East ， appeared 出early as 6th B.C.In the4由centuηthe Chinese language used the5anskrit word for l10n ， an animaí that is notnative to China.Glass beads ， similar ωthose of 地中海， were discovered in tombsaround 400B.C.The word siap-diei 摄提， the early Chinese name for one unit of the12-year cycle of Jupiter， is possibly derived fromthe5anskrit sv?ti.The water-clock &a formof sundial were used in the5th century.Horse archers like those on 出e steppes were used shortly before 300B.C.mules ， donkeys ， & camels ， first domesticated inm.Asia， were first used in China in the 3rd century B.C。