Reference for Chullin 252:9

והיכן משאו עם אחד מהן:

A THIGH-BONE OF A CARCASS OR OF A [DEAD] REPTILE, etc. Our Rabbis taught: It is written: [He that toucheth] the carcass thereof,<span class="x" onmousemove="('comment',' Lev. XI, 39.');">⁵</span>

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