. Danmarks fauna; illustrerede haandbøger over den danske 129 Laaget udvikles hos de forskellige Campanu- linider paa to helt forskellige Maader. Hos alle thekafore Hydroider er det unge, ikke fuldt ud- viklede Hydranth fuldstændig omsluttet af Hydro- theket, der foroven er lukket med et Tag; dette. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Dansk naturhistorisk forening. København, G. E. C. Gad

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Keywords: ., bookauthordansknat, bookcentury1900, bookdecade1900, bookyear1907