CONTENTS. 
Introduction 
Itinerary 
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ING NY IDO CORY 232105 5, So Neath d oh he Sel eee avnemenroney umes ice ieee an 
GONT ALTO t PEs: fo- hs = cya csaack cuenta cvenudarapa nem narsiesciase ne metas ornate See eee mes 
Effects of scanty moisture ...2.-...-2004 c22 seen ces accee acdees ee eeeccences 
Grlatevall WasIns 2st caudate aside we Goce Stace mae NAOE Oe aie LEed Seed 
ORY. GTIS 8 a 2 scs papa on watt eye loca ae LSS ote ete Se eres Fs eSNG 
SSIS aces cette en Sera ran ate ee ape rd aacg sak ateehaga d= Sadyayecl eanchow cease 
Roel slopeSvvcs cise ewecicteuedentewian ove debe sweneaee aces spweceeae bse 
JANA ANICH SS we sc 2k. soe csescseeeeoaee base ee dec Bede teed aw cescenabess 
Pimlberlim es. sexe dereenwdaaeens ayes kien dee cee ceweeee ae eke cesveeeeed 
The yellow pine belt........---. ra fh Vales Gare Wrens seo eee clan dee aeunlas 
Phe Shastadir Pelbe cise we caiaisie aisig wind cor eeee ke aledae sake ocleecwieietha teenie 
Thewhite-bark pine belt wsccicie cs seca see seed saacese seas ase sameness 
Ones tam neg See oe eee apa eg cecssas aoe a teres aiate sieias eneisiatete aici Sle Sana Sem Eee 
Effects of burns in changing zone positions.......--..-.--..----.-------- 
SIGPG EX PoOsSuT Gers ahsae ceieekan teUenanee Ono Aeeieaeeeettotes hee eta eusateaes 
Effects Of Stéép:SlOpeS. cniiis cn cn mcosewie Gees Pode sie tie aevecaeise oom acincmie sheen 
BasimBlopesess i. -ccis'cce ne ceahleL deus tee BAS asain See as, RES ces 
Thifesones, OF Siesta; 2. se 2222 22ks teense se Seed eeeaeesss eeeee ee dome ees 
Upper Sonoran ZO occc.ccccicen teers ees cece nGets ¢ 4 Fee eee Ree RES 
Transiti@n, Z0NG.....2.2.eeesss Sees oe ee exwd deeReeis aes t ove x cueectvexslegns © 
Canadian :20ne v.04 .coxeses essence cs veus eee eeeedecsse gece evi ceeded es 
Hudsonian Zone ssci00 secs ives cee one exeaveep ess Shs ard.2 vie: dugieeen tilde Serene, 
Alpi Ne ONG: 2-522 se Segexioce cea. cite 2 dm sig gieeetinesae cies a0 Sesh siveereemte dec 
The Boreal fauna and floraof Shasta contrasted with corresponding faunas and 
floras of the Sierra and the Cascades ....-......----------------- 2-22 eee eee 
Efficiency of Klamath Gap as a barrier to Boreal species compared with that 
of Pitt River and Feather River gaps collectively .........---..----.------ 
Sources of the Boreal faunas of Shasta and of the Sierra and the Cascades . .. 
Mammalsiof Shasta. 2.c0.cecate.neweresnes ood nncsteneserevege + ete see hecemiec 
Birds of Shasta and vicinity..........---..----------- +--+ 22 eee eee eee eee 
Notes on the distribution of Shasta plants .......-....--------2 +--+ 2-02 ee eee 
