Mass of the thick disc divided by that of the thin disc (first panel), mass of the thick disc divided by that of the cold component (second panel), mass of the CMC divided by that of the thick disc (third panel), and mass of the hot component divided by that of the thin disc (fourth panel), and mass of the hot component divided by that of the cold component (fifth panel), as a function of the circular velocity. The symbols indicate the properties of the CMC of each galaxy and follow the same conventions as in Fig. 2 except for the triangles in the first, second, third, and fourth and the bottom panels that indicate galaxies with no detectable CMC. In the second and fifth panels, the two galaxies with no available 21-cm flux measurement are considered to have ℳ_g = 0.