and the New Genus Protistograptus. 



51 



further. In the following pages, faunas from two separate 

 horizons are described, and the higher is shown to be of some- 

 what younger time than the lower. Thus the Ordovician beds 

 outcropping at the bridge are not overturned, but upright, 

 like the Johannian beds adjoining them, north of the fault. 



On the opposite south shore of the harbour, sandstones and 

 slates dip to the south and are probably of Johannian age. 

 The assumption is made below that these beds are overturned. 

 This cannot be verified at present, but overturning is not 



Fig. 1. 



NOKIrlf 



SOUTH 



Fig. 1. A north-south section, Suspension Bridge, St. John, N. B. 



uncommon in the district. The problem is to restore the 

 structure concealed beneath the waters of the harbour. While 

 faulting may be a factor, the attempt is made to explain the 

 structure by folding alone. 



The existence of a syncline may be inferred, for to the east, 

 in the city of St. John, a section made by Matthew (1891, p. 126) 



