Google



This is a digital copy of a book lhal w;ls preserved for general ions on library shelves before il was carefully scanned by Google as pari of a project

to make the world's books discoverable online.
Il has survived long enough for the copyright to expire and the book to enter the public domain. A public domain book is one thai was never subject

to copy right 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, culture and knowledge that's often dillicull lo discover.
Marks, notations and other marginalia present in the original volume will appear in this file - a reminder of this book's long journey from the

publisher lo a library and linally lo you.
Usage guidelines

Google is proud lo partner with libraries lo digili/e public domain materials 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 lo keep providing this resource, we have taken steps to
prevent abuse by commercial panics, including placing Icchnical restrictions on automated querying.
We also ask that you:

+ Make n on -commercial use of the files We designed Google Book Search for use by individuals, and we request thai you use these files for
personal, non -commercial purposes.
