ThisisadigitalcopyofabookthatwaspreservedforgenerationsonlibraryshelvesbeforeitwascarefullyscannedbyGoogleaspartofaproject tomaketheworld’sbooksdiscoverableonline. Ithassurvivedlongenoughforthecopyrighttoexpireandthebooktoenterthepublicdomain. Apublicdomainbookisonethatwasneversubject tocopyrightorwhoselegalcopyrighttermhasexpired. Whetherabookisinthepublicdomainmayvarycountrytocountry. Publicdomainbooks areourgatewaystothepast,representingawealthofhistory,cultureandknowledgethat’softendifficulttodiscover. 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 publishertoalibraryandfinallytoyou. Usageguidelines Googleisproudtopartnerwithlibrariestodigitizepublicdomainmaterialsandmakethemwidelyaccessible. Publicdomainbooksbelongtothe publicandwearemerelytheircustodians. Nevertheless,thisworkisexpensive,soinordertokeepprovidingthisresource,wehavetakenstepsto preventabusebycommercialparties,includingplacingtechnicalrestrictionsonautomatedquerying. Wealsoaskthatyou: + Makenon-commercialuseofthefilesWedesignedGoogleBookSearchforusebyindividuals, andwerequestthatyouusethesefilesfor personal,non-commercialpurposes. + RefrainfromautomatedqueryingDonotsendautomatedqueriesofanysorttoGoogle’ssystem: Ifyouareconductingresearchonmachine translation,opticalcharacterrecognitionorotherareaswhereaccesstoalargeamountoftextishelpful,pleasecontactus. Weencouragethe useofpublicdomainmaterialsforthesepurposesandmaybeabletohelp. + MaintainattributionTheGoogle“watermark”youseeoneachfileisessentialforinformingpeopleaboutthisprojectandhelpingthemfind additionalmaterialsthroughGoogleBookSearch. Pleasedonotremoveit. + KeepitlegalWhateveryouruse,rememberthatyouareresponsibleforensuringthatwhatyouaredoingislegal. Donotassumethatjust becausewebelieveabookisinthepublicdomainforusersintheUnitedStates,thattheworkisalsointhepublicdomainforusersinother countries. Whetherabookisstillincopyrightvariesfromcountrytocountry, andwecan’tofferguidanceonwhetheranyspecificuseof any specific book is allowed. Please do not assume that a book’s appearance in Google Book Search means it can be used in any manner anywhereintheworld. Copyrightinfringementliabilitycanbequitesevere. AboutGoogleBookSearch Google’s mission is to organize the world’s information and to make it universally accessible and useful. Google Book Search helps readers discovertheworld’sbookswhilehelpingauthorsandpublishersreachnewaudiences. Youcansearchthroughthefulltextofthisbookontheweb athttp://books.google.com/ 1