Amended By-Laws 



DECEMBER 1958 



ARTICLE I 



MEMBERS 



Section 1, Members shall be of twelve classes, Corporate Members, Hon- 

 orary Members, Patrons, Corresponding Members, Benefactors, Contributors, 

 Life Members, Non-Resident Life Members, Associate Members, Non-Resident 

 Associate Members, Sustaining Members, and Annual Members. 



Section 2. The Corporate Members shall consist of the persons named in 

 the articles of incorporation, and of such other persons as shall be chosen from 

 time to time by the Board of Trustees at any of its meetings, upon the recom- 

 mendation of the Executive Committee; provided, that such person named in 

 the articles of incorporation shall, within ninety days from the adoption of these 

 By-Laws, and persons hereafter chosen as Corporate Members shall, within 

 ninety days of their election, pay into the treasury the sum of Twe'nty Dollars 

 ($20.00) or more. Corporate Members becoming Life Members, Patrons or 

 Honorary Members shall be exempt from dues. Annual meetings of said Corporate 

 Members shall be held at the same place and on the same day that the annual 

 meeting of the Board of Trustees is held. 



Section 3. Honorary Members shall be chosen by the Board from among 

 persons who have rendered eminent service to science, and only upon unanimous 

 nomination of the Executive Committee. They shall be exempt from all dues. 



Section 4. Patrons shall be chosen by the Board upon recommendation of 

 the Executive Committee from among persons who have rendered eminent serv- 

 ice to the Museum, They shall be exempt from all dues, and, by virtue of their 

 election as Patrons, shall also be Corporate Members. 



Section 5. Any person contributing or devising the sum of One Hundred 

 Thousand Dollars ($100,000.00) in cash, or securities, or property to the funds 

 of the Museum, may be elected a Benefactor of the Museum. 



Section 6. Corresponding Members shall be chosen by the Board from 

 among scientists or patrons of science residing in foreign countries, who render 

 important service to the Museum. They shall be elected by the Board of Trustees 

 at any of its meetings. They shall be exempt from all dues and shall enjoy all 

 courtesies of the Museum, 



Section 7. Any person contributing to the Museum One Thousand Dollars 

 ($1,000.00) or more in cash, securities, or material, may be elected a Contributor 

 of the Museum, Contributors shall be exempt from all dues and shall enjoy all 

 courtesies of the Museum, 



Section 8. Any person paying into the treasury the sum of Five Hundred 

 Dollars ($500.00) at any one time, shall, upon the unanimous vote of the Board, 

 become a Life Member. Life Members shall be exempt from all dues, and shall 

 enjoy all the privileges and courtesies of the Museum that are accorded to mem- 

 bers of the Board of Trustees. Any person residing fifty miles or more from 

 the city of Chicago, paying into the treasury the sum of One Hundred Dollars 

 ($100.00) at any one time, shall, upon the unanimous vote of the Board, become 

 a Non-Resident Life Member. Non-Resident Life Members shall be exempt 

 from all dues, and shall enjoy all the privileges and courtesies of the Museum that 

 are accorded to members of the Board of Trustees. 



Section 9. Any person paying into the treasury of the Museum the sum of 

 One Hundred Dollars ($100.00) at any one time, shall, upon the vote of the Board, 



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