Proceedings of the Royal Society for March, 1866

The monthly evening meeting of the Fellows, the first of the present session, was held on Tuesday, the 13th March, His Excellency Col. T. Gore Browne, president, in the chair.
-14. From Mr. Fletcher, jaws of Eay.
It haviog been determined by the Council, and announced to the Fellows generally, that a microscopical exhibition should bo held this evening, the final arrangements were now made by intending exhibitors, and the doora were thrown open at eight o'clock.
The microscopes, fourteen in number, occupied two rooms, and were liberally supplied with objects of varied interest. The exhibitors were Mr. Abbott, Mr. M. Allport, Dr. Agnew, Mr. Bright, Lieut. -Colonel Chesney, Mr, Giblin, Mr. "W. Johnston, Mr. Legrand, Mr. Napier, Mr. Stone, and Mr. Roblin.
Amongst the objects deserving special notice may be mentioned diatoms on dark-ground illumination, magnified to the extent of twelve hundred diameters exhibited by Mr. Abbott.
-development of the young animal presenting points of great interest.
-In addition to the microscopes, Mr. Abbott also exhibited a Herschel- Browning direct vision Spectroscope—the instrument by which observations in spectrum analysis are made.