250 



circuits or by filling vacancies in old ones. They shall then, and 

 during the first week of every January thereafter during their con- 

 tinuance in the club, send to the secretary, as annual dues, the 

 sura of fifty cents. If this subscription should prove insufficient 

 to defray the expenses of the club, the secretary, with the ap- 

 proval of the President and managers, ninv give notice of an in- 

 crease to any required sum not exceeding one dollar per year. 



7. The officers shall be a President, Secretary, who shall also 

 act as Treasurer, and two managers. They shall be elected by 

 ballot by a plurality of votes cast, blanks for that purpose being 

 sent around by the secretary in January of each year. 



8. The secretary shall arrange the members in sections of 

 twelve members each. 



9. He shall send a box capable of holding one dozen slides to 

 the first member of each section. Each person shall, within four 

 days of the date of receiving it, put in a slide, preferably one 

 which illustrates some new result of study or method of prepara- 

 tion, and mail the package, carefully directed and stamped, to the 

 name and address next below his own on the list of members of the 

 section. After completing each circuit the box shall be returned 



has completed the whole circle of all the circuits, it shall be re- 

 turned to the first circuit again, when each member shall remove 

 his own slide and replace it with another, mailing the box as be- 

 fore to the next member. 



10. Slides placed in the box must contain no writing. Written 

 labels should be soaked off or pasted over, and the slide desig- 

 nated by a number to correspond with the number of the owner in 

 the list of members of the section. 



The slides are to be very carefully packed in the box, to which 

 is securely attached by a string, at a distance of two inches, a 

 tag bearing a postage stamp and the address of the next member 

 of the section. Nothing is to be placed around or upon the box 

 which could invite a blow from the post office stamp. 



11. If any member should receive a box too much damaged to 

 be safely used, or containing broken or damaged slides, or not 

 containing the full number of slides indicated by the accom- 

 panying memoranda, he shall at once notify the secretary and the 

 member who last mailed the box. 



If the loss cannot be adjusted by exchange between the owner 



