67 
22. On the Influence of the Hour of the Day on the 
Results of Barometric Measurements of Altitudes 
(not read), by Arnold Guyot. 
23. On Shooting Stars, by H. A. Newton. 
24. A Method of determining the Errors of a Vertical 
Divided Circle, by Simon Newcomb. (Presented by 
Benj. Peirce.) 
25. Considerations relative to various Phenomena presented 
by certain Comets, by Stephen Alexander. 
