45 
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 
Benjamin Peirce.) 
25. Considerations relative to various Phenomena presented 
by certain Comets, by Stephen Alexander. 
26. Memoir of Lieut. E. B. Hunt, by F. A. P. Barnard. 
Papers presented to the Academy at the January Session, 
1860. 
27. On a Chronograph for measuring the Velocity of Pro- 
_  jectiles, by J. E. Hilgard. 
28. On the Homologies and Classification of the Cephalo- 
pods, by L. Agassiz. 
29. On the Geographical Distribution of North American 
Birds, by S. F. Baird. 
30. Note on the Changes that have taken place in the Bar | 
of Charleston Harbor since the sinking of Obstruc- 
tions in the Main Channel, as developed by the 
United States Coast Survey, by J. E. Hilgard. 
31. On the Tables of the Moon, by Benjamin Peirce. 
32. On the Metamorphoses of some Malacopterygians, by 
L. aASS1Z. 
83. On Chemical Classification, by Wolcott Gibbs. 
34. On the Dimensions and Proportions of American Sol- 
diers, by B. A. Gould. 
35. On a Method of exhibiting certain Statistics of Hos- 
pitals, by J. L. Le Conte. 
36. On the Glacial Phenomena, and Present Configuration 
of the State of Maine, by L. Agassiz. 
