186 Rhodora [SEPTEMBER 
TABLE IlI—continued. 
° 
a 
Group III (Plants which, south of the St. Lawrence, & 
: are controlled in their Distribution by a Pr eponder- 2 
ance of Magnesium in the Soil.) ai@ 
‘| $\2 
ol 8| eels 
Stations, and Rocks of the Region from which Magnesian = = 3 < § 
Soils could be derived. =| 3|8\Sl4 
alZldlels 
2|2/2/2/8 
Ol @ 2 aie 
3|2\4\a/< 
Coal River, Newfoundland (serpentine *) . +)+] [+ 
Hopedale Islands, Labra dor (trap? +/+) [+i 
Paul’s Island, Labrador (gabbro, pyroxene 8) 1% +\+ 
Nain, Labrador coabliee: +)) ee 
Spooner Mts., Okkake to Cape Mugford, ‘Labrador (basalt, ae 
vas 4 
Torngat Mts , Hebron to Nachvak Bay, Labrador (black 
diorite, 9, Soapston e 5) +\4+4% 
Ungava Bay, Ca He aS Chudleigh, Labrador (dolomite *) . + 
Cape Prin ae d Ashe’s Inlet, Bis rth Blu ff, Hud- 
n St fs teentbe: iak wie ca, soaps ants pee + 
Nottinghart Island, Hudson Strait (do ranite # ee ae +\+ 
—_ 
1 On Bonne Bay, Kigeats rises to a height of between ses and 3000 feet, a nee of 
serpentine.” — Logan, Geol. Can. 293 (1863), These serpentine mountains, as show? 
on the geological map = Canada, are greatly aeeineed southward to Port aut © Port Bay. 
Coal River has its origin upon one of them, and its lower waters flow through another 
of the serpentine areas. 
2“Trap dykes were always in hp view [Islands off Hopedale].”— Daly, Bull. Mus. 
Comp. Zool., Harvard, Geol, Ser, 0, 5, (1902 
3 “The ‘Brave’ was headed for Nain, passing throug : long tickle — in on either 
side by me cliffs of massive gabbro.”— Daly, 1. “When at Nai obtained 
specimens of... .paulite, a variety of pyroxene or ‘eres [a silicate of magnes esiumm, 
which... .was said “ have been brought anid dona Island.” — Bell, Geol. & Nat. Hist. 
Surv. Can., Rep. for 1882-83-84, p. 12 DD (18 is 
4“The basalt manish crysolite, a pica of a Se whl? 
also ge significant part of the stratified series, is typical.’’— Dal 
gu 
p. 21 
I was informed that he: Eskimo obtained a kind of seu {a hyd 
silea te 0 f magnesium) for sien their pots. in the vicinity of Skynner’s Cove: |, 
~ Bel place onking rock, ] were seen all along, cutting the face of the mountain ra range.’ 
ses ate 
A short distance south of the station [at Port Burwell, Cape Chudleigh], @ 
the gn consists of light grey dolomite [magnesian limes 
8 DD, 
occurs in fe ‘and 
white quartz’? — — le 
