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auch er komite der Riicksichtsnahme auf die chemische Zusammensetzuno:
nicht genug entziehen — dazu, der Verdunstung allein die entscheidende
Rolle zuzuschreiben; allein fortgesetzte Beobachtung am Wenersee klärte
ibn fiber das Zusammenwirkung beider Factoren auf und seine kleine
Scbrift von 1758 (Swenska Mercurius, III, 406 ff.) enthält im wesentlichen
dieselbe Lösung, die dem Problem heute zu teil wird. Auch zu diesem
raschen Fortschritte der Erkenntnis hat Swedexborg’s Vorarbeit ihren
Teil beigetragen, in dem sie die Argumente und Beobachtungen sichten
und ordnen half».
Swedexborg’s views concerning Lake Venner are briefly reported49
in the Acta Literaria Sveciae for 1720, pp. 111—116, in connection with
a number of reports concerning other Lakes, expecially Vetter. But
these reports were received from the hands of others, and they refer
among other things to a supposed connection between the rising and
falling of adjacent lakes (Le in Dalsland, etc.). Most attention however
is paid to Vetter, concerning which Daxiel Tiselius furnished
information. As it is the same as that which Tiselius later on himself published
in his work on Vetter1 there is no occasion for dilating upon it here.
Observations concerning the strata of mountains.
In the chapter »Observata circa strata inclinantia et de causis
obli-quationis illorum» it is held7’1 2 * * * * that while some strata are horizontal others
may be inclined or even have a perpendicular position, or be hent —
in part convex [anticlinal], in part concave [synclinal] — or elliptical or
parabolical. Even folded strata are described, although the expression
is not employed. Swedenborg also seems to have noticed discordance,
for he says that at Marburg and other places he has found the uppermost
strata to be horizontal, while the lower ones were more or less inclined.
Under the castle Biankenstein between Dillenburg and Marburg he noticed
that the strata are hent four or five times up and down, and at Cassel
he saw a formation hent circularly2.
1 Daniel Tiselius: Uthförlig beskrifning öfwer den stora Swea och Götha Siön
Wätter. Upsala, 1723.
2 In order to ascertain which layers Swedenborg possibly had in mind by the
examples adduced from Marburg, Biankenstein and Cassel, I consulted Professor Dr.
E. Kayser of Marburg, who kindly gave me the following information. By the hori-
zontal strata, which at Marburg lie above the inclined strata, Swedenborg undoubtedly
meant the red, conglomerate-like strata of the uppermost »Zechstein» which there
cover the folded carboniferous and devonian strata of the Rhine-schists. Biankenstein
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