Cover of number 7 (volume three) of the journal Anales de Historia Natural (Madrid, 1801) with the name that the journal would take: Anales de Ciencias Naturales (Annals of Natural Sciences), from that moment, on the second page is printed the 'Warning' that justifies the scientific reasons for this change of name.
Internet Archive (BHL)
<p>cropped image of the journal Anales de Historia Natural upload to Commons by BHL
(<a class="external free" href="https://commons.wikimedia.org/wiki/File:Anales_de_historia_natural._(IA_mobot31753002161898).pdf)">https://commons.wikimedia.org/wiki/File:Anales_de_historia_natural._(IA_mobot31753002161898).pdf)</a>
</p>
The image demonstrate the date of the  journal name changes.