ILLUSTRATIONS. 
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PPR rOstsMaprOreNiews WOLKs. 5) eeryccesr MN teeny aaeee esau Tiere 
. Dwarf balsam and spruce on Mt. Marcy................-.--: 
. Tundra-like vegetation on summit of Mt. Marcy.............. 
. Chestnut oak sprout forest and mountain laurel on Bear Moun- 
Or H CO bo 
Reltefemap ofiNie win WOLKANS st. tne tenet eery he elle te: 3 cya outer sub eions 
Tan ehudsongeigh| ands naa ees nae eee eke oe 
. Trench cut through cat-tai! mat of Hackensack Meadows...... 
. Reproduction of mountain paper birch on Dibble Mountain in 
then G@atiskal sy ee ack fo) ae Se he howe sR hanya cant: 
PL CQuUIsetum=nuviatilerst bully bakes= ns feces sane erie a ee 
. Charts showing stages in lake filling by vegetation............ 
. Cat-tail marsh stage of vegetation successions, Lake Ontario. . . 
= Nearer view, Ol-ares:shown inp ig= Mt O)ss). serene ae sei es 
. Land building by cat-tail vegetation, Montezuma Marsh....... 
. Marsh meadow and conifer swamp forest near Wanakena...... 
Swamp forest with tussock forming cinnamon fern, Tully Lake.. 
. Swamp forest, Tully Lake, showing built-up ground and giant 
WHILE) PDITL@ RMR Sel rope ree evercrsgs Nope Rarns creel eT te ete nd ence Re, os 
es Devills (Dye=tub ate bully Wakes sitet oo dcr oe ene aa 
. Details of a clump of heath shrub in a bog................... 
. Sphagnum bog near Saranac Inn Station, Sphagnum removed. . 
. A glacial “ Kettle hole’ filled by bog vegetation: Invading 
Dplackss prices san rts Were eee eye ee ec te rics eer 
fbesnbondion Cranberry bakeliniet =. 4s eee ee 
. Early stage of vegetation on granite substratum.............. 
. Granitie rock at Hoel Pond with pioneer vegetation cover ...... 
. Boulder covered by polypody, Hoel Pond.................... 
. Boulder with soil blanket supporting young forest trees........ 
. Soil blanket pulled from underlying boulders by falling tree... . 
. Sand flat near Oneida Lake with moss mat and heath shrub.... 
. Soil section of sand flat shown in Fig. 26...................-- 
. Heath shrub vegetation and soil section near Lake Clear. ...... 
. “The Plains’? near Dobson’s Camp, showing moss and lichen 
PTOUNCICONGR 312 = cea Oe a eee ee 
. “ The Plains,”’ showing heath shrub vegetation. .............. 
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