220 THE CANADIAN NATURALIST. [May 



collections from the other Acadian localities, so that I am unable 

 to report its existence elsewhere. 



At the eastern end of the little bluff last described, there is an 

 accumulation of broken masses of a limestone, similar to that of 

 the Windsor limestone, but it is lighter in color, more compact, of 

 a light brownish tint, and composed almost entirely of fossil 

 remains, the species are, with rare exceptions, distinct from those 

 which are found in the Windsor limestone. Among the masses of 

 rock here found there is not a single piece from the Avon beds, so 

 that it is evident that here there is a bed of limestone, which 

 overlies the Avon beds. Three quarters of a mile farther up the 

 river, across a wide marsh, is the Otis King rock, which is composed 

 of the same limestone and furnishes the same fossils. Here, 

 however, the beds are seen with a slight northward dip. The beds 

 in their lower part are less compact than in the upper, where they 

 pass into a very hard fine-grained limestone, capable of taking a 

 high polish. Fossils occur all through the bed, but they are 

 especially abundant in the upper part. This bed which I would 

 call the Stewiacke limestone, appears to be overlaid by a bed of 

 gypsum, seen between the two localities, at the head of the marsh, 

 which appears to occupy a synclinal valley. The Stewiacke 

 limestone is very rich in beautifully preserved fossils. 



Radiates. — Of Radiates there is a great paucity of species, as 

 elsewhere in Nova Scotia ; minute crinoid stems are occasionally 

 found, and there is a pretty Stenopora (S. exilis Daws.) which 

 is very common, and is one of the most characteristic fossils of this 

 limestone. 



Articulates. — Of Articulates there are very few species, a 

 Serpula (?) tube occurs rarely, together with a Leperditia and a 

 Spirorbis. 



Mollusks are the reigning type. Bryozoans are represented 

 by a Fenestella, F. Lyelli Daws. This is exceedingly abundant 

 and eminently characteristic of this limestone, wherever it occurs. 

 Of Brachiopods there are many representatives. Prodaetus 

 Lyelli De Verneuil, (P. Cora,) is one of the commonest fossils 

 both at Windsor and elsewhere, and this is associated with an 

 abundance of P. semi-reticulatus, and the Terebratula referred 

 by the last mentioned author to T. Sacculus Martin, and the forms 

 referred by him to Athyris subtilita, fipirifer acuticostata De 

 Koninck, and Splriftrina cristata. Besides there are a number 

 of Rhynconellse and other Brachiopods, which appear to be 



