21 



All persons receiving such degrees and diplomas shall be 

 entitled, at all times, to free admission to the Museum and 

 its Exhibitions, but shall not, by virtue of such degrees or 

 diplomas, become members of the Corporation. 



ARTICLE XII. 



No alterations shall be made in this Constitution, unless 

 at a regular quarterly meeting of the Trustees ; nor by the 

 votes of less than two-thirds of all the Trustees ; nor with- 

 out notice in writing of the proposed alteration, embodying 

 the amendment proposed to be made, having been given at 

 a regular meeting. 



