Reference for Bekhorot 105:7

<big><strong>גמ׳</strong></big> לימא מתני' דלא כרבי עקיבא

NOW IT MIGHT BE RIGHTLY ARGUED: SEEING THAT NEW AND OLD ANIMALS WHICH ARE NOT TREATED AS DIVERSE KINDS IN REGARD TO ONE ANOTHER ARE YET NOT TITHED ONE FOR THE OTHER, LAMBS AND GOATS WHICH ARE TREATED AS DIVERSE KINDS IN REGARD TO ONE ANOTHER, ALL THE MORE SHOULD NOT BE TITHED ONE FOR THE OTHER'THE TEXT THEREFORE STATES: AND OF THE FLOCK,<span class="x" onmousemove="('comment',' Ibid.');">⁵</span>

Jastrow