rom eax^h other. In the perfect beetle of this larva, the spiraculae arearranged along each side of the back under the wings, MICROSCOPIC OBJECTS. 57 as shown in fig. 8, which represents the Dytiscus withoutthe elytra and wings. The largest spiraculse are nearestthe posterior extremity of the body.…
Microscopy
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![An illustration from Japanische Stichblätter und Schwertzieraten : Sammlung Georg Oeder, Düsseldorf : [Katalog] (1916)](https://img.insideoutlibrary.com/img/200/ia-japanischestichb00vaut-190-160.webp)
