1888 .] 
75 
[Marcou. 
in Scandinavia] is not sufficiently known” (“On the Cambrian fau- 
nas of Cape Breton and Newfoundland” in ‘Trans. Roy. Soc., Can- 
ada section iv, 1886, p. 148, Ottawa’). The Paradoxides? Kjerulfi 
is referred to Olenellus by Linnarson, Brogger and Nathorst ; and 
lately (1888) Dr. Gerhard Holm is inclined to make a new genus 
for it, intermediate between Paradoxides and Olenellus. 
Palseontologically, as well as stratigraphically, there is no doubt 
that the Olenellus beds of Conception Bay, eastern Newfoundland, 
are older than the Paradoxides beds of Trinity and Ste Mary’s bays, 
and that we have there the same succession of trilobitic fauna as 
in Scandinavia. Latety (September, 1888) Mr. Walcott after oppos- 
ing in strong terms Alex. Murray’s observations, saying that Mur- 
ray placed the Topsail Head strata beneath the Paradoxides shales 
of Ste Mary’s Bay “without palseontologic or stratigraphic evidence 
that authorized him to say more than that a supposed connection 
is indicated” (Second contribution to the Cambrian faunas of North 
America, p. 49, Washington, 1886), has found out in a recent visit 
to Newfoundland that after all Alexander Murray and J. P. How- 
ley, the two geologists of the Newfoundland geological survey, 
were right in their “palseontologic and stratigraphic evidence.” 
This ends the perplexity and conflicting views put forward by the 
adversaries of the Scandinavian stratigraphic and palseontologic 
tabular view of strata for the Middle Taconic system. 
But in Scandinavia (Scania) the Olenellus bed is a very limited 
one, very thin, and simply a subdivision of the fifth order or bed, 
lying below the great group of Paradoxides slates and above the 
Eophyton sandstone and the Fucoid sandstone. On the contrary, 
the Paradoxides slates form a division of the third order or well 
developed etage, of considerable thickness, with a quantity of sub- 
divisions or special fossil horizons — ten, according to Dr. Na- 
thorst, and Mr. Tullberg’s tabular view. 
In America the Olenellus bed of the eastern part is also a sub- 
division, rather thin, of the fifth order ; and there is no doubt that 
the Scandinavian and Eastern Newfoundland Olenellus horizon is 
the same and absolutely identical in all respects showing, beyond 
any reasonable doubt, that those two widely separated countries 
were in direct communication by an uninterrupted sea. 
But in the western part of Newfoundland and perhaps in the val- 
ley of Mira river (Cape Breton), and all over the valleys of the St. 
Lawrence, of Lake Champlain, of the Hudson river and in the 
