coeinc things and of reasoning and thinMn-^ about thin rs 

 from tho elovftted points of view tfhich thoy have attained. 

 These vion points wore not arrived et easily cjid v?ithout 

 effort, -jut ?'cro plainly attained from years of practical 

 experience, reeding, study, and association rrlth tho boat 

 tMrv-:ers on both sidos of the Atlantic. More than this 

 those are exceptional nen to be ;in T=lth, and they have 

 r.lned tho -:reatost proficiency In presenting tfhat they know. 

 Since those books v;hich they ^ivo us are the roaults of their 

 most intense efforts, wo cnn probably dorive more fron them 

 than we could po:.;eibly gain from extensive conversations v/ith 

 che men themselves. 



boo": nxfords on ortonolve vi<w fron some 

 definite point or other of tho vor?/ subject \vhich is con- 

 ctr.ntly before a Forest r.fn-or, nrviel/ forestry. And it io 

 surprising how cler.rly uhe rutiiors have presented thoir 

 su'jjocts. This lo ono tost of a -jood book, clocrnoos end 

 siriplicitj, an<* even I-'ernow's '.vor : : on the Economics of Por- 

 octry, nuic'.o from a fov lorrre rorc'.s, is clear ancT not too 



icult to rer.d v:hile it is actually a surprise to find out 

 hov oasy it la to road the F.sel-med portions of Proves ' book 

 en Mensuration. This boin'T tho cose re surely cnnnot nios 

 ror^in-r ';'ic book of tho forenoot authority on t'ie principal 

 of Coneorvrtion for this iu tho 'coy note of J-'-ernow's boo'c; 

 nor oho aid \ o t-ich to nlss rco.dinr; who boo'c rhich oxolains 

 tho vhy r.r/ rhoroforo of such wctioal thinrs as Berlin^ 

 rules ai;d volume te')los cs they ere told about in Jravoo boo3c 

 on 1-oncuraticn. 3-it tho books that eoora to contain the 

 I'oatoot nunbor of inter eutin-r topics are the Primers I and 

 II vrricbon by lifford Pinchot. Don't be deceived by 

 thinl:ir.;; fiftt bocn.'ise they e.re s^'ll that thoy vrlll bo tho 

 easy ones to study. Aside fro.n Sudnorth's boo::, they are 

 in ny esti if tion fie hcrdest boo':s in "the course, that is, 

 if the tino Unit for roao'ln- i/'.o^ is contiidorod, r.nd tho 

 orr.Minrtion rjuoationo are "ell cncworod. 



Tho itfoe-s obtained from theoo Primers brinj up 

 chain after ohc-.in of fiou^ht. So intorostiriT are thoir 

 chapters thf.t the number of pc^es road or to be reed is 

 forgotten, p.nrf ro find, our solves T,'oi{ThlnT the writer's 

 thou r ;ht; crroeincj i nd disa'.Teein^ with hin. :o rill fir.d 

 o-irselves -x iiiv> all sorts of con;e.rions betT-oon tho 

 pictures he ;xtints rj^cl those nhlob re reiaenbor fro^o our ovm 

 o-r;9rionces. i'.oro thr.n lihic vro are apt to find ourselves 

 looking forward to tho tivne vhen on our trips fchrou'rh the 

 woods we ccn loolx at alroady fp^iliar "ili-ccs and objects 

 again to BOO if the vrriter is eescribin^ conditions ac thoy 

 actually aro or '-hethor he is neroly 7ivin-r us a lot of 

 theorotionl stuff. 



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