Reference for Chullin 111:11

מכניס ידו לפנים ובודק אם מבצבץ ועולה טרפה ואם לאו כשרה

<big><b>GEMARA: </b></big>Rab, Samuel and Levi say: One should insert the finger into the mouth [of the bird and press upon the upper palate] and apply this test:<span class="x" onmousemove="('comment',' In the case of a bird struck on the head by a weasel in order to ascertain whether the membranes of the brain have been pierced or not.');">⁷</span>

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow

Jastrow