1861.] MUSEUM OF COMPARATIVE ZOOLOGY. 81 



tion to regular classes of students under his care, to classes of 

 teachers of the Public schools, and to classes of pupils in the Normal 

 schools in the Commonwealth, and to such special classes of students 

 and persons desirous of availing themselves of his instructions and of 

 the advantages of the Museum, as he may receive or invite for those 

 purposes. 



10. No person officially connected with the Museum shall be per- 

 mitted to make any private collection, or to trade in specimens of 

 Natural History, except for the Museum. 



11. Whenever the office of Director of the Museum established by 

 the Trustees, and that of Curator of the Museum, as hereinbefore 

 denned, shall be held by different persons, the Faculty of the Mu- 

 seum shall, subject to these articles, and such other articles as may 

 be adopted by both Corporations as hereinafter provided, define the 

 relative duties of the incumbents, and superintend their execution. 



12. These rules and regulations, mutually agreed on and adopted 

 by the parties, shall not be repealed or altered, except by a formal 

 agreement between the parties, or by a concurrent vote passed by 

 each Corporation specifying such repeal or alteration, and entered 

 upon the records of both said Corporations. 



In testimony whereof, the said parties have hereto affixed their respective 

 seals, under the hands of their respective Presidents, on the day and in 

 the year first above written. 



THE PRESIDENT AND FELLOWS OF 



HARVARD COLLEGE. [l. s.] 

 By James Walker, President. 



THE TRUSTEES OF THE MUSEUM 



OF COMPARATIVE ZOOLOGY, [l. s.] 



By Nath'l P. Banks, President. 

 In presence of 



Edward S. Rand, 



Wm. Gray, Jr. 



At a meeting of the Trustees of the Museum of Comparative 

 Zoology, held June 1, 1859, it was 



Voted, That the President of this Corporation be, and is hereby 



