41.   At the same time, amend other aspects of presentation in ways suggested in this and previous chapters.

42.   Confining our attention here to sub-aerial volcanic activity, we have already considered some aspects of the distribution of volcanoes at the global scale in the three previous chapters.

43.   Frequent references to turbulent motion have been made in previous chapters, but detailed discussion of the nature of that motion has so far been postponed.

44.   In the previous chapter we saw, on purely statistical grounds, that any particular large mutation is inherently less probable than any particular small mutation.

45.   The previous chapter covered the circumstances in which partners cease to be members of their firms.

46.   As we argued in the previous chapter, this profits squeeze fundamentally reflected overaccumulation.

47.   This process, characteristic of the whole of the public enterprise sector, occurred earlier in Britain than in Spain for reasons explained in previous chapters.

48.   The signal responses of two and four-terminal passive linear networks have been considered extensively in the previous six chapters.

49.   The usefulness of expressing a nonsinusoidal periodic voltage or current as an equivalent harmonic Fourier series has been alluded to on various occasions in the previous chapters.

50.   We saw in the previous chapter that equilibrium is achieved in the money market when the total demand for money is equal to the money supply.