dnd 5e – Can the spell "Old Self" grant you a tail or otherwise stop while transforming into another race?

The change yourself The Magic (PHB, p. 211-212) includes the following to change your appearance:

Change appearance. You transform your appearance. You decide what you do
appearance, including height, weight, facial features
Your voice, hair length, color and distinction
Features, if any. You can be a member of
another race
although none of your stats are changing. You can not either
appear as a creature of a different size than you and your basic one
Form remains the same; If you are bipedal, you can not use this spell
for example quadrupedal. At any time for the duration of the
You can use your action to change your appearance in this way
once again.

Depending on the option change appearance from change yourself, you can appear as a member of another race. Could you stop the change half way, d. H. Switch to Tabaxi, but stay where you have ears, tail, and claws, but are not completely transformed and appear as a mixture between two races?

Would this be a valid use of the spell?