Reference for Niddah 56:1

תשלחו זכר ודאי נקבה ודאית ולא טומטום ואנדרוגינוס .

shall ye put out,<span class="x" onmousemove="('comment',' Num. V, 3, a reference to the sending out of unclean persons from the Sanctuary (v. Rashi). ');">¹</span> only a confirmed male or a confirmed female [shall ye put out], but not a <i>tumtum</i> or an androginos. May it be suggested that the following provides support for his<span class="x" onmousemove="('comment',' Rab's. ');">²</span>

Jastrow