150 Association of American Geologists and Naturalists. 



Art. II. The objects of this Association are the advancement of 

 geology and the collateral branches of natural science, and the promo- 

 tion of intercourse between those who cultivate them. 



Art. III. All those persons whose names have already been enrolled 

 in the published proceedings of the Association, and those who have 

 been invited to attend the meetings, shall be considered members on 

 signing the Constitution and By-Laws. 



Art. IV. Members of societies having in view the same objects as 

 this Association and publishing transactions, shall be considered mem- 

 bers upon subscribing to the Constitution and By-Laws. 



Art. V. Persons not embraced in the above provisions may become 

 members of the Association, upon nomination by the standing commit- 

 tee, and by concurrence of two thirds of the members present. 



Art. VI. The officers of the Association shall be a chairman, a sec- 

 retary, and a treasurer, who shall be elected at each annual meeting. 



Art. VII. The secretary may appoint two assistant secretaries to aid 

 him in the discharge of his duties. 



Art. VIII. The Association shall meet annually for one week — the 

 time and place of each meeting being determined by a vote of the 

 Association at the previous meeting, and the arrangements for it shall 

 be entrusted to the officers and the local committee. 



Art. IX. The standing committee shall consist of the chairman, sec- 

 retary, and treasurer, with nine other members present who have at- 

 tended the previous meetings. 



Art. X. It shall be the duty of the standing committee to nominate 

 members for admission, and to manage the affairs of the Association. 



Art. XL The local committee shall be appointed by the standing 

 committee from among members residing at or near the place of meet- 

 ing, and it shall be the duty of said committee to make arrangements 

 for the meeting. 



Art. XII. The expenses of each meeting shall be defrayed by an 

 equal assessment on the members present. 



Art. XIII. All communications to the Association shall be presented 

 in writing, and upon them discussions may take place which shall not 

 be reported, but the facts presented in such discussions may be redu- 

 ced to writing by the persons communicating them, and they may then 

 be handed in at a subsequent session, when they may be entered on 

 the records. 



Art. XIV. If communications are made, and notice is given that 

 they are to be withdrawn for publication elsewhere, they may be read, 

 but no discussion shall take place on them. 



Art. XV. No article of this Constitution shall be altered or amended 

 without the concurrence of three fourths of the members present, nor 



