Copenhagen, Bianco Lunos, 1842. 4to. Recent half cloth with contemporary marbled boards. Light browning throughout. Small ink signature on title-page. IV,76 pp. and 3 double-page, folded lithographed plates with many figs. Withbound: Steenstrup, Undersögelser over Hermaphroditismens Tilværelse i Naturen, 1845. XIV,88 pp. and 1 plate.
Reference : 32136
The scarce first edition of the work in which Steenstrup describes his discovery of the principle of 'alternation of generations', sexual and asexual in plants and animals. ""(Steenstrup) showed that certain animals produce offspring which never resemble them but which, on the other hand, bring forth progeny which return in form and nature to their grandparents or more distant ancestors."" (Garrison & Morton No 217). A German translation was published the same year, and an English in 1845. Norman 2009 (German translation). ""The second major publication - (the first dealing with geology) - of 1842 was ""Om Forplantning og Udvikling gjennem vexlende Generationsrækker..."", (the work offered), Steenstrup's comprehensive presentation of the form of reproduction that he called 'alternation of generations', that is, the alternation of asexual and sexual reproduction, or metagenesis. This phenomenon had previously been described by Chamisso, but Steenstrup included a greater number of observations, based on a significantly wider range of subjects, and provided an importent chapter on its meaning. Steenstrup's growing reputation, won him an appointment as professor of zoology at the University of Copenhagen, where he tought from 1846 until 1885.""(DSB XII, p. 9).
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Copenhagen, Bianco Lunos, 1842. 4to. Bound in the original boards with silver stained papercovers. Some nicks to backstrip. Margins of covers having the silver-staining toned down (oxidation). Edges gilt. As it is printed on ""vellum-paper"" and edges gilt, it is probably one of the gift copies, but unsigned. IV, 76 pp. and 3 double-page, folded lithographed plates with many figs. Light marginal browning to plates, otherwise fine.
The scarce first edition of the work in which Steenstrup describes his discovery of the principle of 'alternation of generations', sexual and asexual in plants and animals. ""(Steenstrup) showed that certain animals produce offspring which never resemble them but which, on the other hand, bring forth progeny which return in form and nature to their grandparents or more distant ancestors."" (Garrison & Morton No 217). A German translation was published the same year, and an English in 1845. Norman 2009 (German translation). ""The second major publication - (the first dealing with geology) - of 1842 was ""Om Forplantning og Udvikling gjennem vexlende Generationsrækker..."", (the work offered), Steenstrup's comprehensive presentation of the form of reproduction that he called 'alternation of generations', that is, the alternation of asexual and sexual reproduction, or metagenesis. This phenomenon had previously been described by Chamisso, but Steenstrup included a greater number of observations, based on a significantly wider range of subjects, and provided an important chapter on its meaning. Steenstrup's growing reputation, won him an appointment as professor of zoology at the University of Copenhagen, where he taught from 1846 until 1885."" (DSB XII, p. 9).