HONEYMAN — ON PRE-CARBO^'IFEROUS ROCKS OF PICTOU. 141 



forbid m}^ entering upon the subject at present. The same reason 

 forbids my indicating more particularly the terrestrial forces which 

 seem to me adequate to produce the zones of parallel lines of eleva- 

 tion, and to have broken up each successively into subzones. 



Art VI. On Pre-carboniferous Rocks of the Pictou 

 Coal Field. By the Rev. D. Honeyman, D. C. L., 

 F. G. S., Member of the Geological Society of 

 France, cS:C., Director of the Provincial Museum. 



{Read Feb. 12, 1872.) 

 ABSTRACT. 



In my last paper I showed that Sir W. E. Logan's opinion 

 relative to the Devonian age of certain rocks in the northern part 

 of McLellan's Mountain, and the district of Sutherland's River, 

 was contrary to the evidence of palaeontology and stratigraphy. I 

 shall proceed further to examine the character of the evidence upon 

 which the opinion is based. 



The supposed Devonian Rocks on the west side of East River 

 which are considered by Sir W. Logan to be " somewhat similar" 

 to those of McLellan's Mountain, are indicated on Sir W. Logan's 

 map, by a Devonian coloured area on the north-west. These pre- 

 carboniferous rocks of Waters' Hill are regarded by Dr. Dawson as 

 '< probably of Devonian age" — vid. page 319 of Acadian Geology, 

 2nd Ed. It vfill be observed that this cautious expression hardly 

 warrants the positive conclusion which Sir W. Logan derives 

 from it. 



At the time when I read the report I had not seen the rocks of 

 this locality, Waters' Hill, in th^ north-west corner of the Pictou 

 Coal Field. I therefore examined the map already referred to 

 in order to get some idea of the relative position of the rocks in 

 question. I was astonished to see Devonian rocks having insulated 

 patches of millstone grit, and to find a limestone quarry in Devonian 

 rocks, as all the limestone quarries with which I am acquainted in 

 Nova Scotia, and Cape Breton besides, are of Lower Carboniferous 



