On Friday, May 6th, Joseph Downey, President of the Master Masons' Association, sent the following communication to D. Adler, President of the Illinois Association of Architects. It was sent for the purpose of endeavoring to secure the co-operation of the Architects of the city--in view of a general strike in the building trades, which it was plain to be seen was impending: TO THE ARCHITECTS OF CHICAGO--_Gentlemen_: Owing to incessant and unreasonable demands being made upon us from time to time by our employes, causing incalculable delays, which mean disaster to those signing time contracts, the members of this association have, therefore, unanimously agreed to sign no contracts after May 1, unless the words "except in case of strikes or epidemics" are inserted in the time clause. Very respectfully, JOSEPH DOWNEY, President. PAY ON SATURDAY. The Master Masons' Association unofficially received information that the Bricklayers' union had passed a resolution fixing Saturday as pay-day, instead of Monday, or Tuesday, which had been the rule for many years. This action was not taken by the union because it was believed greater good could be accomplished, or because it was a necessary change; but was for the purpose of further testing the temper of the employers and notifying them that they were subject to the dictation of the union. On Friday Mr. Downey sent the following unofficial communication to A. E. Vorkeller, President of the Bricklayers' union, hoping to secure a rescinding of the Saturday pay-day resolution, and avoid a strike: TO THE UNITED ORDER OF AMERICAN BRICKLAYERS AND STONEMASONS-- _Gentlemen_: It has come to the knowledge of the Master Masons' and Builders' association that at your last meeting you passed a resolution that the members of your union should hereafter be paid on Saturday, instead of Monday and Tuesday, as is now and has been the custom. There has been no official action by the Master Masons' and Builders' association, but I have conferred with a number of them, and am impelled to write this letter to notify you of the fact that while we might prefer to comply with your request, we find it will be impossible to make up our pay-rolls in time to pay on Saturday, especially in the busy season, when some of us have from two hundred to three hundred men employed. We trust, gentlemen, that you will reconsider the action taken which resulted in the adoption of the resolution mentioned, as we are particularly anxious that the good feeling which has prevailed between your union and our association shall be continued without interruption. Very respectfully yours, JOSEPH DOWNEY. A DECLARATION.