The second volume, January?December, 1899, contains 768 double pages, forming an indexed and illustrated monthly summary of all that is important to the practitioner in the medical periodicals of the world. The following quotation from the title page indicates the aims and uses of this handsome volume: " By the suppression of all unessential matter, a paper written with any definite object?and ...

This article was presented by the author at the Vertigo Seminar of the Medical School of Iran National University in December.