34 Captain Bayfield on the 
@REEN, WHITE, < amygdaloid, and amygdaloidal porphyry, 
AND RED. Islands of Neepigon Bay, &c. 
In agates, in amygdaloid. It frequently 
Fuint.—arey, {is agates, veins, layers, and masses in 
CatcrepoNy AND 
forms the outer coat or layer of agate 
CaRNELION, YEL- i J et 
balls, having amethyst or quartz in the 
LOWISH, WHITE, : sik ; 
center. Calcedonic inucrustations are fre= 
AND RED. 
quent in drusy cavities, 
Jasper.—Striped red and white, at Agate Cove. It also 
occurs in agate balls in amygdaloid ; in rotled no- 
dules in old red sandstone conglomerate ; in bould= 
ers of the jasper pudding-stone which appear to 
have come from the Neepish rapids, river St. Mary 5. 
in the quartz rock of La Cloche, luke Huron. This’ 
beautiful puddingstone is very abundant, and con- 
tains, besides red, brown, and striped jasper, frage 
ments of calcedony, carnelion, &c. in a whité 
quartzose cement. 
A coarse common jasper also occurs in the slate 
islands smeared with iron ochre, and in veins in 
trap rocks. 
Second Species.—Indivisible Quartz. 
Pitcusrone.— Found in thin layers, and in very small quane 
tity, in the interstices round the ends of the 
columns of basaltic Trap-Islet, in the moutli 
of Neepigon Bay. 
ORDER I1.—Spar.— Genus \st.—Prehnite. 
Frsrous Prennire.— Abundant on the beaches of He Royale, 
associated with native copper, calcspar, &c. 
These minerals are found in the tabular 
fragments of a vein in trap porphyry, It 
also occurs, according to Doctor Bigsby, in 
druses in amygdaloid, with rock crystal and 
calcedony near the Point Mamainse. 
Genus 3d.—Zeolile, 6th & 7th Species. 
Mesoryrz Anp Stiruite.—Jn nodules and vesicular cavities, 
usually associated with calcspar and quartz, 
in 
