330 PROCEEDINGS OF THE AMERICAN ACADEMY 



It was voted that' the Treasurer be authorized, with the ad- 

 vice of the Finance Committee, to borrow a sum not exceeding 

 three thousand dollars, in anticipation of the income of the 

 present year. 



It was voted to proceed to the election of the third member 

 of the Committee of Finance, who was not chosen at the last 

 election. 



The ballot resulted in the election of Mr. T. T. Bouve. 



It was voted to omit the Stated Meeting in August, and to 

 hold it on the second Tuesday in September. 



Professor Winlock made a communication on a method of 

 viewing, with the spectroscope, the whole sun at once, with the 

 protuberances. He used a telescope of six inches focal length, 

 giving an image of the sun about gV °f an mcn m diameter. 

 The centre of this image was eclipsed by a small brass pin in 

 a plate of glass, which replaced the slit. A thin annulus was 

 thus received into the collimator of the spectroscope. He next 

 tried a simple spot of silver on the glass, also silvering the 

 latter, and cutting a circle in it. The image thus formed 

 should be magnified with a telescope of considerable power 

 after dispersion by the prisms. By using silvered specula and 

 a heliostat, it would be found practicable to employ a spectro- 

 scope of very high dispersive power. 



Six hundred and thirty-fifth Meeting. 



September 13, 1871. — Adjourned Stated Meeting. 



The President in the chair. 



The President announced the death of Professor Immanuel 

 Boekker, Dean Mansel, Sir J. F. W. Herschel, and Mr. George 

 Grote, of the Foreign Honorary Members ; Dr. Holbrook, of 

 the Associate Fellows ; and Mr. Charles Jackson, of the Resi- 

 dent Fellows. 



Professor Whitney made a communication on some experi- 

 ments he has been conducting on the use of the barometer in 



