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The short-term periodicities of the daily sunspot area fluctuations fromAugust 1923 to October 1933 are discussed. For these data the correlativeanalysis indicates negative correlation for the periodicity of about 155 days,but the power spectrum analysis indicates a statistically significant peak inthis time interval. A new method of the diagnosis of an echo-effect in spectrumis proposed and it is stated that the 155-day periodicity is a harmonic of theperiodicities from the interval of [400,500] days.  The autocorrelation functions for the daily sunspot area fluctuations and forthe fluctuations of the one rotation time interval in the northern hemisphere,separately for the whole solar cycle 16 and for the maximum activity period ofthis cycle do not show differences, especially in the interval of [57, 173]days. It proves against the thesis of the existence of strong positivefluctuations of the about 155-day interval in the maximum activity period ofthe solar cycle 16 in the northern hemisphere. However, a similar analysis fordata from the southern hemisphere indicates that there is the periodicity ofabout 155 days in sunspot area data in the maximum activity period of the cycle16 only.

The 155-day periodicity of the sunspot area fluctuations in the solar cycle 16 is an alias