The festivities of Junior week began at Cornell yesterday afternoon and evening, with several tea dances, the annual Musical Clubs concert, and the Sophomore Cotillion. Various teas and dances will continue today in the fraternity houses, and a masque performance of "The Amazons" will be given in the Lyceum Theatre tonight. The Junior Promenade will be held in the Armory tomorrow evening at 9 o'clock, and the festivities of the week will close with more teas, and a basket-ball game with Oberlin on Saturday. There are over 300 guests in the various house parties which are being held in Ithaca.