Observations of valve-like structures and evidence for rectification of flow within the gill lamellae of the crab Carcinus maenas (Crustacea, Decapoda) H. H. TaylorE. W. Taylor OriginalPaper Pages: 1 - 11
Soil-binding pilosity and camouflage in ants of the tribes Basicerotini and Stegomyrmecini (Hymenoptera, Formicidae) Bert HölldoblerEdward O. Wilson OriginalPaper Pages: 12 - 20
Non-respiratory podia of clypeasteroids (Echinodermata, Echinoides) Rich Mooi OriginalPaper Pages: 21 - 30
The neural connection between the Langerhans receptor cells and the central nervous system in Oikopleura dioica (Appendicularia) Kaj Holmberg OriginalPaper Pages: 31 - 34
The nephridia of the interstitial polychaete Hesionides arenaria and their phylogenetic significance (Polychaeta, Hesionidae) Wilfried Westheide OriginalPaper Pages: 35 - 43
Die Feinstruktur der Sehkolben und der Lamellarkörper von Parotoplana capitata (Plathelminthes, Proseriata) Beate Sopott-Ehlers OriginalPaper Pages: 44 - 48
The aboral haemal system of the sea star, Asterias rubens (Echinodermata, Asteroidea): An ultrastructural and histochemical study F. B. BeijninkP. A. Voogt OriginalPaper Pages: 49 - 60