Choose the tautonyms from the following.
\[
\begin{aligned}
\text{I.} \;& \textit{Homo sapiens sapiens} \\
\text{II.} \;& \textit{Axis axis} \\
\text{III.} \;& \textit{Corvus splendens splendens} \\
\text{IV.} \;& \textit{Naja naja}
\end{aligned}
\]
(only = only)