Parashas Vayikra · Aliyah 1 · Passuk 4
Chabad.org — English translation + Rashi
Torah Temima points to Menachot 93a / Toras Kohanim.
E-Daf / Tsurras Hadaf (size=3 where available)
PDF of the daf / source
English: “Upon the head” – and not upon the neck, and not upon the back, and not upon the chest.
Diyuk defining the exact location of the leaning of the hands — between the two horns of the animal, with both hands.
The hands must be placed specifically on the head of the animal, the seat of identity, teaching that the person identifies fully with the offering being brought.