70 C. Lapworth—Recent Discoveries in Sweden. 
divisions of the Gothland Silurian—the so-called Wisby Group and 
the Middle Gothland Group. fRetiolites Geinitzianus has been de- 
tected by the author only in the Wisby Group; Ionograptus priodon 
occurs in both formations. 
On the Fauna of the Exsulans or Coronatus Limestone of Sweden 
(Om Faunen in Kalken med Conocoryphe easulans; Coronatus- 
Kalken). By G. Linnarsson. pp. 28, 3 plates of figures. Stockholm, 
1879. 
At Kiviks Esperéd in Scania, where the horizontal Cambrian 
rocks are washed bare by the waters of the Baltic, Dr. Nathorst 
discovered, several years ago, a remarkable fossiliferous limestone 
undoubtedly belonging to the Primordial Zone of Barrande—con- 
taining a Trilobite-fauna, almost wholly new to science. In his 
description of the fauna of this limestone he enumerated Paradomides 
Tessini, Paradox. Hicksi, Solenopleura and Conocoryphe (Geol. Foren. 
For. 1877, p. 264). The commonest fossil he referred to the 
Spanish species Conocephalites coronatus of Barrande and Verneuil, 
and gave the limestone the distinctive title of Coronatus-Limestone. It 
now appears, however, that Nathorst was in error in referring the 
Swedish fossil to C. coronatus ; for according to Linnarsson the two 
forms are quite distinct. Nathorst’s title for these beds is thus no 
longer suitable, and Linnarsson replaces it with the name Exsulans 
Limestone, after the new title he here assigns to the characteristic 
fossil. 
At Kiviks Esperéd the Cambrian beds commence with the usual 
sandstones. These are overlaid by greywackes, undoubtedly belong- 
ing to the Zone of Olenellus (Paradoxides) Kjerulfi. "These support 
a grey clay shale, underlying a band of nodular limestone. In the. 
shales a few fossils are present—Paradowides sp., Conocoryphe 
Dalmani, Ang., Acrothele intermedia, Linnrs. Next follows the so- 
called Coronatus-Limestone, which forms the subject of this paper. 
It is here a hard, grey, slightly bituminous limestone. Above it 
follows, after an insignificant hiatus, another limestone, the fossils of 
which allow us to parallel it without doubt with the well-known 
Andrarum-Limestone of Angelin, or the Zone of Paradowides 
Forchammeri of Linnarsson. 
Similar fossils to those present in the Coronatus Limestone of 
Kiviks Esperéd were detected in 1870 by Dr. Nathorst in loose 
stones near Sandby. At Gislof, where bedded Cambrians are visible, 
Herr von Schmalenzee, who completed the survey of Kiviks Esperdd, 
detected the fossils of the Coronatus zone in abundance. Finally, 
the same indefatigable investigator has discovered the same fauna in 
the classical locality of Andrarum, not only in loose blocks, but also 
im siti from beds immediately below the strata of the zone of 
Paradoaides Tessini. 
Linnarsson rightly points out that the fossils of the Coronatus or 
Exsulans Limestone are most distinctly allied to those of his zone 
of Paradowides Tessini: but if we have regard to Schmalenzee’s 
discovery at’ Andrarum, they may conveniently be regarded as 
marking a new horizon or sub-zone, immediately below it in the 
