[MATTHEW] CLIMATIC ZONES IN DEVONIAN TIME 145 
The Lepreau (or Mace’s Bay) Basin. 
Not many miles east of Passamaquoddy Bay there is a considerable 
indentation of the northern shore of the Bay of Fundy called Mace’s 
Bay whose eastern entrance is guarded by Point Lepreau, and which 
has Lepreau Harbor at its head. This bay outlines another basin of 
Upper Devonian rocks. The sediments are finer than those of the 
Perry basin and show no cotemporary volcanic rocks; unlike the Perry 
basin the coarser beds of this basin have derived their boulders chiefly 
from the eastern side; a body of pre-Devonian rocks, (though no longer 
a prominent ridge) still exists there, including limestones and other 
clastics, which has supplied the material for these boulders and pebbles. 
On this dividing ridge there is a peculiar felsite (or aporhyolite) with 
scattered pellucid grains of quartz, whose fragments are found in the 
conglomerates of this basin at its northern edge and have thus been 
swept across its whole width from south to north. 
This basin is linked to that of Passamaquoddy Bay by some small 
detached islets in Bliss harbor, marked by bright red rubbly shale, and 
the low dip common in the sediments of the Upper Devonian. 
The flora of this basin has not been collected nor studied. 
The Kenebecasis —Petitcodiac Basin. 
The Kenebecasis basin of Upper Devonian rocks shows a more 
complex series of deposits, a greater thickness of measures and a more 
varied flora, than that of Perry. The plant remains of the red conglo- 
merate and sandstone with masses of volcanic rocks which form the 
whole mass at Perry, are present in the Kenebecasis valley, without 
the volcanics in such grand volume, but this portion of the series has 
not yielded well preserved plant remains; some stems have been re- 
ferred to Psilophyton and others are more obscure. But there is in the 
Kenebecasis valley an overlying member of greysandstone'which contains 
a characteristic flora. Owing to the absence of coarse conglomerates, 
and the generally finer texture of the sediments this member of the series 
is not conspicuous, and is apt to be concealed by surface deposits. Only 
in a few places are the beds sufficiently well shown to exhibit satisfactor- 
ily the plant remains which they contain. Here are found Lepido- 
dendron corrugatum (cf L. Veltheimianum), L. Gaspianum, L. Chem- 
ungense, and other species of the genus. Psilophyton princeps is present 
and also Aneimites Acadica. The great abundance of the stems of 
Lepidodendron of several species, mostly with small bolsters, is a marked . 
characteristic of this flora as seen at the western end of the Kenebecasis 
Section IV., 1911. 10. 
