The world list of scientific periodicals is at last completed, and the final volume was published on April 27 by the Clarendon Press. In the history of catalogues and bibliographies such a huge task as this represents has hardly ever been attempted, for it is a complete list fof all the scientific journals of the world in which the results of original research have been published between the years 1900 and 1921. The number of these periodicals is 25,000, Zam-Buk provides an ever ready and reliable first-aid for injuries. It is also unequalled as a soothing, speedy remedy. for obstinate and deep-seated skin disease, poisoned wounds, ulcers, piles, etc.
Within every box of Zam-Buk. are stored the most valuable ealing Eoothing. and. antiseptic properties icoown to Sconce. its unique herbal Compoution and iis absolute freedom front animal tata and. mineral. druga Make ~Zam-Buke the oafest and bast essing for skin troubles ofall kinds. box of this great here ter tordayt" OF aiapen Volume I. of the world list "s consists of a complete catalogue of these, alphabetically arranged, and each bearing a number. Volume 11. contains an appendix to Volume Jand also the complete list given in standardized abbreviations. Against leach number and abbreviated title is a list of symbols indicating at which of the principal libraries li the British Isles each journal niay be found. The primary use of the list is, of course, obvious, for the research worker must keep in close touch with the literature of
Text read from the printed page and cleaned; old type leaves the occasional error.