TO CORRESPONDENTS. 



Mr. T. S. DAVIES will hear from us shortly. 



Mr. WHITE'S Paper on the Aurora Borealis ; Mr. HA WORTH'S on Her- 

 mione Cypri ; Mr. BATCHELOR'S on certain Affections of the Eye; and 

 Dr. HARE'S on the Laboratory of the University of Philadelphia, will 

 be given next month : also M. Rumker's. 



Mr. GORDON'S Remarks on the Demonstrations of certain Theorems 

 have been received. 



Mr. STURGEON'S Researches in Electro-magnetism have been received 

 for review. 



* # * The Editors request that all Communications intended for immediate 

 insertion may be sent to the care of Mr. Richard Taylor, Printing Office, 

 Red Lion Court, Fleet Street, London, at furthest by the 1 5th day of the 

 month, or they mill be too late to appear in the ensuing Number. 



This Day is published, Vol.1. No. I. for February 1831, Price 2s. 6d., 



LIBRARY OF THE FINE ARTS. Contents : Preliminary Ad- 

 dress. Biography: G. Dawe, Esq. R.A. Sculpture; a Poem by 

 E. G. L. Bulwer, Esq. The Glyptotheca, at Munich. The Nashional 

 Ha-ha. Cunningham's Lives of British Painters. Felibien's Tent of 

 Darius 3 unpublished original Notes of Sir J. Reynolds. The Annuals. 

 History and Process of Lithography. Artists and Dealers : Letter to 

 the Editor. Sir JoshuaReynolds'sDiscourses (Reprint). Miscellanea : 

 Royal Academy. British Institution. Exhibition of Sir T. Lawrence's 

 Pictures. Suffolk-street Gallery. National Gallery. New Exhibition 

 of Paintings in Water Colours. Artists' and Amateurs' Conversazione. 

 Third Conversazione.- Imperial Academy, St. Petersburgh. French 

 Academy, Rome. York Cathedral Organ-screen. Iconological Repre- 

 sentations. Anecdote of G. Dawe, R.A. Mosaic. Stanfield. Provin- 

 cial Exhibitions. Moore's Life of Byron. Flaxman's Acts of Mercy. 

 Announcements of new Works. 



M. ARNOLD, Tavistock Street, Covent Garden. 



This Day is published, in royal 8vo, with Coloured Plates, 

 price ,5s. 6d. half-bound, 



AN EXPERIMENTAL INQUIRY into the NUMBER and PRO- 

 PERTIES of the PRIMARY COLOURS, and the Source of Co- 

 lour in the Prism. 



By WALTER CRUM, Esq. 



London : published by Longman, Rees, Orme, Brown and Green 

 Atkinson and Co., Glasgow ; Truettel and Wiirtz, Paris j and Diimmler, 

 Berlin 



