kiiuwletlgc~ of v~liicli is iicccssitry for tlic correct applicntioii of tlic tlntit prcsciitctl in Part 11 (pp. 9ti to ~lijij) on '' Corrosioii Bcliitviour of Specific JIctiil rind Alloy (:roiips.*' Uiifortuiiiitcly niniiy stiLtciiicnts :ire difiiciilt to follow I~cc:tusc of tlic use of ntljcct,ivcs sucli :is "corrosive '* :iiicl .' rcsist:tiit '' :is iioiiiis, :tiid tlic occiirrciicc of siicli sciitciiccs :is : " I.'ossil)ly tlic inost gciieriilly ~) ~~\ ~i i t I i i i g rctiirtliiiit to tho tlircct nctioii of tlic ciicrgy tciicliiig to prodiicc corrosion is tlic tciiclriicy f(Jr t,lic: ositliziiig jiiirt of t,lic rciict,ioii to h i l t 1 iip it rcsistuiicc which prcvciits corrosioii " (1). 85). Also t,lic presciitiit,ioii of tho t,licory is oftcii r:it,licr criitlct riiitl the itutliors fiiii~liiiiiciitiil work. 'l'lic t.rciitiiiciit occiisioiitilly Ittcks proportioii. for csiiiiiplc, iii thc cliiipter o i i ' I The lintc Jhetors '* tlic scctioii on osidiaiiig iigciits (dissolved air) tl~iils only with iicitl soliitioiis iiiitl not wit11 iiciitrttl soliitioiis. iii ~vliicli t h riitc of osygcii supply is iisiially of' 1)itriiiiiuiiii t iiiiporttiiicc. 'I'hc iiiiiiii v:iliic of the book lies iii l'iirt 11, \rliicli is prvfitcetl I)y i i i i cstrciiicly gc~otl introduction, i i citrcfiil