23 



and several valuable donations, belonging to other subjects of 

 Antiquarian interest, have been presented. Among the 

 most curious of these are the brass symbol of Isis ^ found at 

 Aldborough, the ancient Isurium ; the arrow-heads of obsidian, 

 used by the native Indians before the conquest of Mexico, and 

 the images in baked earth from the ancient pyramids and 

 temples of Otumba.^ 



The Council have the satisfaction of again reporting, that 

 there have been numerous benefactions to the Library. 

 The Curator,' by a well directed liberality, has himself 

 added to it many useful books of scientific reference. The 

 Royal Society of Edinburgh, and the Society of Arts, have 

 presented copies of their valuable Transactions, the Royal 

 Asiatic Society, and the Literary and Antiquarian Society 

 of Perth, have conferred a similar obligation. But among 

 the many valuable works which distinguish this list of dona- 

 tions, there is one composed by a resident member of the 

 Society*, which particularly deserves the notice of the 

 Meeting. Too little attention has hitherto been paid in 

 this country to the means of communicating the advantages 

 of education to the blind, especially in scientific attainments ; 

 and in the work now alluded to, a successful attempt has 

 been made to supply part of that defect, by publishing the 

 diagrams of Euclid in a tangible form. 



To the author of this book the Meetings have been 

 indebted for many Communications, in which scientific 



' Presented by Dr. Murray. * Presented by Capt. Colquhoun. 



• Eust Strickland, Esq. * The Rev. W. Taylor. 



