50 
88. Investigation in Regard to Sound, in its Economical 
Applications, by Joseph Henry. 
89. On the Geographical Distribution of Fishes in the 
Waters of the Amazon, by Louis Agassiz. 
90. On the Stature of American Soldiers, by B. A. Gould. 
91. On the Influence of the Hour of the Day on the Heights 
obtained by Barometric Measurements, by Arnold 
Guyot. 
92. On Astronomical Photography, by Lewis M. Ruther- 
furd. : 
93. On the Reduction of Photographic Observations, with a 
Determination of the Position of the Pleiades from 
Photographs by Mr. Rutherfurd, by B. A. Gould. 
94. Ona Table for Facilitating the Conversion of Longi- 
tude and Latitude into Right Ascension and Declina- 
tion, by Wm. Ferrel. 
95. On the Nephila Plumipes, or Silk Spider of South 
Carolina, by B. G. Wilder. 
96. On the Systematic Value of Rhynchophorous Coleop- 
tera, by J. L. Le Conte. f 
97. On the November Meteors, by Hubert A. Newton. 
98. On the Total Eclipse of the Sun of August 7th, 1860, 
in Connection with some Remarks of the Annular 
Eclipse of October, 1865, by Stephen Alexander. 
99. On some of the Phenomena presented by the Planet 
Venus when near her Inferior Conjunction, by Stephen 
Alexander. : 
100. On the Relative Longitude of Europe and America, 
and the Velocity of Galvanic Signals in the Atlantic 
Cable, by B. A. Gould. 
101. On the Principles of the Classification of Fishes, bY 
-.. * Lonis Agassiz. ‘ 
102. Recent Observations on the Glacial Phenomena of 
the Basin of the Great Lakes, by J. §. Newberry: 
=) 
