15 



portion of it has been negligently prepared, the same shall be 

 reprinted at the cost of the committee. 



Art. X. The actual date of publication of any issue of the 

 "Journal," shall be determined by the published record of its 

 presentation at a meeting of the Section. 



Art. XI. No alteration in the quality of the paper, type, 

 or other details of mechanical execution of the "Journal," shall 

 be made without the consent of the Section. 



Art. XII. The price of the " Journal " is directed to be 

 for the present eight dollars per annum to members subscribing 

 and paying in advance, as wejl as to booksellers — and ten dol- 

 lars to others, as well as for completed volumes in all cases. 



Art. XIII. The Academy of Natural Sciences sLall be fur- 

 nished with as many copies of the " Journal " as it may require 

 for its exchanges, upon paying proportionate share of cost of 

 publication. 



CHAPTER XIII. 



COMMUNICATIONS, &C. 



Art. I. Every written communication read before the Sec- 

 tion, and intended for publication, shall be referred to a special 

 committee, which shall report thereon at the meeting next after 

 its appointment [unless otherwise ordered by the Section.] 



Art. II. Every such communication becomes the property 

 of the Section. 



Art. III. But all written communications which shall not 

 be accepted for publication, or not published within a reasonable 

 time, shall be returned to tlieir authors when requested, 



CHAPTER XIV. 



OF PRIZE MEDALS. 



Art. I. The Conchological Section of the Academy of 

 Natural Sciences of Philadelphia, founds the following prizes, to 

 be awarded to distinguished talent in the cultivation of the sci- 

 ence of conchology, and to commemorate remarkable discoveries 

 or laborious original researches. 



Art. II. These prize-medals shall be one of bronze, another 

 of silver, and a third of gold. 



