Issued in 28 parts, each with both Norwegian and English title-pages, text in Norwegian and English.
Edited by H. Mohn and G.O. Sars.
The parts were numbered on the covers, with roman numerals in order of publication, without regard to subject matter. When completed, title-pages were issued providing for the systematic grouping of the 28 parts into 7 vols. The roman numerals in the contents below are those of the parts as issued.
1.bd. IV. 1. Historisk beretning. 2. Apparaterne og deres brug. 1882.-- V. 1. Astronomiske observationer. 2. Magnetiske observationer. 3. Geografi og naturhistorie. 1882.--II, IX. Chemi. 1880, 1882. 2. bd. X. Meteorologi. 1883.--XVIII. Nordhavets dyber, temperatur og str▓mninger. 1887. 3.bd. Zoologi. ]I[ Fiske. 1880.--VII. Annelida. 1882.--XIII. Spongiadae. 1885.--VIII. Mollusca I, Buccinidae. 1882.--XVI. Mollusca II. 1886.