292 



REPORT 1865. 



The following Table exhibits the mode in which the existence of an object, 

 when once ascertained, may be readily recorded, and the object itself so 

 designated that very little, if any, difficulty may be experienced by future 

 observers in identifying it. It is intended that the symbols appropriated to 

 the objects described shall be unalterable, I C A1 , for example, always pointing 

 out the crater Picard. The forty-nine objects symbolized in the Table have 

 been entered in Form No. 3. 



Craters on and near the Mare Crisium, arranged in order of Areas of 5°. 



