Google This is a digital copy of a book that was prcscrvod for gcncrations on library shclvcs bcforc it was carcfully scannod by Google as part of a projcct to make the world's books discoverablc online. It has survived long enough for the copyright to expire and the book to enter the public domain. A public domain book is one that was never subject to copyright or whose legal copyright term has expired. Whether a book is in the public domain may vary country to country. Public domain books are our gateways to the past, representing a wealth of history, cultuie and knowledge that's often difficult to discover. Marks, notations and other maiginalia present in the original volume will appear in this file - a reminder of this book's long journcy from the publisher to a library and finally to you. Usage guidelines Google is proud to partner with libraries to digitize public domain materiais and make them widely accessible. Public domain books belong to the public and we are merely their custodians. Nevertheless, this work is expensive, so in order to keep providing this resource, we have taken steps to prcvcnt abuse by commcrcial parties, including placing technical restrictions on automatcd qucrying. We also ask that you: + Make non-commercial use of the files We designed Google Book Search for use by individuais, and we request that you use these files for personal, non-commercial purposes. + Refrainfivm automated querying Do nol send aulomated queries of any sort to Google's system: If you are conducting research on machinc translation, optical character recognition or other áreas where access to a laige amount of text is helpful, please contact us. We encouragc the use of public domain materiais for these purposes and may be able to help. + A/íJí/iííJí/i íJíírí&Hííon The Google "watermark" you see on each file is essential for informingpcoplcabout this projcct andhclping them find additional materiais through Google Book Search. Please do not remove it. + Keep it legal Whatever your use, remember that you are lesponsible for ensuring that what you are doing is legal. Do not assume that just because we believe a book is in the public domain for users in the United States, that the work is also in the public domain for users in other countries. Whether a book is still in copyright varies from country to country, and we can'l offer guidance on whether any specific use of any specific book is allowed. Please do not assume that a book's appearance in Google Book Search mcans it can bc used in any manner anywhere in the world. Copyright infringement liabili^ can be quite seveie. About Google Book Search Googlc's mission is to organize the world's information and to make it univcrsally accessible and uscful. Google Book Search hclps rcadcrs discover the world's books while hclping authors and publishers reach new audiences. You can search through the full icxi of this book on the web at |http : //books . google . com/|