The members of the corporation shall have power at any meeting held, as aforesaid, to provide by their by-laws that any number of persons associated together for any of the purposes mentioned in this act of incorporation may, as auxiliary societies, be represented by their delegates at all meetings of the members of this corporation, and that such delegates may be entitled to vote at such meetings and for that purpose be considered as members of the corporation, and that any such society or any individual who shall pay 50 dollars or more annually, to said corporation shall have the right to appoint a member of the board of managers hereinbefore mentioned, the members of which may be increased for that purpose, and they may also provide by their by-laws what number of members of the board of managers shall constitute a quorum for the transaction of business and also to provide for an executive committee of said board of managers for the transaction of such business of said corporation as shall be, by said by-laws, entrusted to said executive committee.