270 A. B. Howe—G@melinite from Nova Scotia. 
recent teeth and tympanics in the same surface-layers argues 
strongly in favor of an exceedingly slow rate of deposition. 
These vertebrate remains are most abundant where the man- 
ganese abounds, but occur also in the red and gray clays 
especially in those the farthest from the land, and where we 
ry land. 
In conclusion, large quantities of the various bottoms be 
been stored with a view to future work, and a large amount 0 
material bearing on the subjects treated of in this Preliminary 
rt have been accumulated. When these come to be care 
ments herein made may require to be altered and anon 
and other facts and relations, more curious and interesting 
any hinted at, may be revealed. 
oo 
AB 
No. 
Art. XXXIIl—On Gmelinite from Nova Scotia; by 
Howe. (Contributions from the Sheffield Laboratory- 
XLIL) 
: aes 75, our 
WHILE in Nova Scotia, during the summer of wea 
: : : i 
rty found this comparatively rare mineral in con® 
| 
quantities, but of two very distinct and difforent ban for 
: acco rele 
owing analy 
by any difference in chemical constitution, the fo 
ses were made. 
a 
pee athe vs. ogee.” ies 
ia 
uf 
i 
