Nave's Topical Bible
: Orville J. Nave, A.M., D.D., LL.D.
HOOF
Parting of, one of the physical marks used for distinguishing ceremonially clean and unclean animals
Lev. 11:3-8; Dt. 14:3-8
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.