It is used for strong tee joints.
_No.19.A beveled halving_, Fig.

265, is made like a middle-lap joint except that the inner end of the upper member is thinner so that the adjoining cheeks are beveled.

It is very strong when loaded above.

It was formerly used in house framing.
MODIFIED HALVING JOINTS _No.20.A notched joint_, Fig.

265, is made by cutting out a portion of one timber.