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366 The American Geologist. June, i890 
genus ;- and in future I shall call it Tlolmia^ and the species 
under consideration Ilohnia JijeruW,. 
Linnarsson gave in 1876, ("On the Brachiopoda of the Par- 
adoxides beds of Sweden, at p. 7), a classification and nomen- 
clature of the Faradoxides beds of Sweden, in which he rec- 
ognized at least six divisions ; each one containing its peculiar 
fossils. 
These groups or palaeontological horizons are arranged as 
follows, in descending order : 
6. Strata with Agnostus Ixvigatus. 
Paradoxides forcliammeri. 
Paradoxides oeelandieus . 
Paradoxides davidis. 
Paradoxides tessini. 
Paradoxides kjerulfi. 
Professor Broegger, in 1878, refers all the Paradoxides beds 
of Norway to three divisions which he calls in descending 
order : 
Etage Id. Krekling with Paradoxides forchammeri. 
Etage Ic. Krekling with Paradoxides tessini. 
Etage lb. Ringsaker and Kletten with Olenellus (Paradoxides) kjerulfi. 
The special generic form of Holmia (called Paradoxides 
and Olenellus kjerulii) found in Etage lb in Norway and in 
division 1 strata with Paradoxides l'jerulfi,vi\ Sweden, coupled 
with the great importance accorded lately to that subdivision 
of the Scandinavian Middle Taconic, leads me to propose the 
name Scandinavian group or Holmia zone for it. 
Besides the characteristic Holmia kjei'ulii, other fossils 
have been found ; and professor Broegger in his paper of 1878 
quotes : A7'io7iellus primcevus, Oholusf Discinaf Acrothelef 
and Hyolites. Dr. Holm adds to this list for Sweden : Ellip- 
socepJialus nordenskioldi^ Metoptoma and Lingidellaf 
natliorsti. 
So far, only four localities of the Scandinavian group have 
been found in the Baltic region ; the first one near Andearum 
in Scania (Sweden), two near Krekling in Norway, and the 
last one in southern Lapland, on the river Umea. Found 
only in 1885 by Mr. E. Moersell, the primordial fauna of Lapland 
has not yet been published ; it contains not only the Holmia 
zone, but also the Faradoxides zone. Dr. Holm wrote me 
^ "On the classification of the Cambrian rocks in Acadia" (Canadian 
Record Sc. vol. ni, p. 76), Montreal. 
