Need help to decipher Possible location of Cemetary in 1779

This is from the difunto records of Huejuquilla El Alto, Jalisco, Mexico:

http://oi61.tinypic.com/2zg6hbl.jpg

Year is 1779, the comment:

"en el sementario de esta iglesia detras del ofanio a quien quise tirar a los campos"

Can someone tell me what is a Ofanio? It makes reference as to where the cemetary is.