In the present article the scent organ of Mocis repanda is descrived. There may be distinguished: 1. a field of scent glands with scent scales in the anterior coxa with a distributionbrush on the extremly modificated epimeron of the first thoracic segment. The brush is outstretched automaticly by moving the coxa foreward; 2. a field of scent glands along the hind borders of the tip of the posterior tibia and of all five limbs of the hind tarsus. The first mentioned organ represents a complex organ, the distribution-brush arrising at another part of the body. The second organ is a simples one with radiating scales which evaporate the excretion of their own cells (trichogenic cells). In fig. 9 the two final states of the opening of the distribution-brush are represented. Fig. 9 a shows the position of the brush in the inactive state, only with the coxa being little heaved up to show the quitinous lever (CH) which otherwise is hidden by the coxa. The quitinous lever is movable and arrises at the strait quitinous ligation between the poststernit and the intersternit of the prothorax. On the other extremity it is fused to the stalk(= epimeron) of the distribution-brush in the way that it passes across the foliated enlargement of the stalk and is fixed on the strengthened fore border of the same part, corresponding to fig. 4b. The articulation between the thorax and the stalk (= primitive, dorsal coxal articulation, dHG) is situated on the hind border of the stalk where the strengthened fore border turns to. The tip of the stalk is englarged to form a spoon and shelters the bristles of the tuft in its concave inner side. The bristles are densely attached; an overage of 6.200 attachments per mm² of them are counted. they are found to stand as crowded that the attachments touch each other (figs. 10 and 11). Moving the coxa foreward and slightly to the side (confer arrow in fig. 9~a), the dorsal articulation of the coxa is also shifted forward in a short...