Postembryonic Development and Biology of the Hydroptilidae. A Contribution to the Phylogeny of the Caddis Flies and to the Question of the Origin of the Case-Building Instinct.
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Nyskick. 4:o. 200 s. + 3 pl. + tryckt omslag. (K. Danske Vidensk. Selskab. Biolog. skrifter, V:1.) [29C]