HONEYMAN — ON PEE-CARBONIFEr.OUS ROCKS OF PICTOU. 107 



difficulty whatever in ascertaining their palaiontological and 

 stratigraphical relations. I have already shown that the rocks in 

 question lie in the northern part of Anticlinal series No. 2. This 

 series with the rocks of the Middle and Upper, or Clinton and 

 Lower Helderberg of the E. side of Anticlinal series No. 1, con- 

 stitute the whole of McLellan's Mountain ran ore. I have aleo 

 shown that the key localities of the series are at Blanchard, known 

 from its bed of fossiliferous iron ore, and Simon Fraser's Mountain 

 near the southern end of McLellan's Mountain. In the former 

 locality I discovered fossils on either side of Anticlinal axis No. 2, 

 proving that the rocks were altogether middle Silurian, with 

 possibly a small addition of Lower Helderberg, Upper Silurian. 

 At Simon Fraser's Mountain the rocks on the W. side of axis No. 

 2 are fossiliferous, while their counterpart on the E. side, are so 

 highly metamorphic as to render the existence of fossils doubtful, 

 although the stratigraphical relation is sufficiently obvious. 



The fossiliferous strata occurs thus, — ascending, a broad band of 

 May hill or Medina Sandstone, quartzites of normal thickness, with 

 abundance of characteristic Petraia and CormiUtes, (trumpet 

 shaped,) then Clinton shales which are likely to produce fossils, 

 although I did not succeed in finding any, and then the Lower 

 Helderberg strata of McLellan's Brook, having abundance of 

 characteristic fossils. The rocks in the northern part of McLellan's 

 Mountain are a continuation of the metamorphic middle Silurian of 

 the eastern side of Fraser's Mountain. The axis and the continua- 

 tion of the fossiliferous strata on the western side extend to the 

 north and become obscure. About half a mile bevond the 

 Presbyterian Church of the mountain, the strata of the eastern 

 side are seen outcropping on the plateau until they seem to 

 terminate at McLean's Brook on the side of the mountain. This 

 proves that the supposed Devonian Eocks of McLellan's Mountain 

 are metamorphic Middle Silurian. 



I stated formerly that the northern extremity of McLellan's 

 Mountain is Blackwood's Mountain. This mountain chiefly con- 

 sists of a great mass of greenstone. This forms the base of a 

 monoclinal series which lies to the south of the mountain. At the 

 foot of the mountain, S. side, is an outcrop of metamorphic slate 



