Prutiyos are forbidden, and the ramach is permitted. The adnei hasadeh is a wild animal. R’ Yose says: It conveys tumah through overshadowing just like a human. The porcupine and the stone marten are wild animal(s). The stone marten — R’ Yose says that Beis Shammai say: It conveys tumah through carrying as the size of an olive’s bulk, and [tumah] through contact as the size of a lentil.

The wild ox is a variety of domestic animal. R’ Yose says: A variety of wild animal. The dog is a variety of wild animal. R’ Meir says: A variety of domestic animal. The pig is a variety of domestic animal. The arod is a variety of wild animal. The elephant and the monkey are varieties of wild animals. And man is permitted with them all — to pull, to plow, and to lead.

No [fabrics] are prohibited because of kilayim other than wool or flax. No [fabrics] contract tzaraas other than wool or flax. The Kohanim do not wear for service in the Temple any [fabrics] other than wool and flax. Camel’s hair and sheep’s wool which he mixed together — if the majority is from camels it is permitted; if the majority is from sheep it is forbidden; half and half, it is forbidden. And so too with flax and hemp which he mixed together.

Shirayim and kalach are not kilayim, but they are forbidden because of their appearance. Mats and cushions do not [pose a problem of] kilayim, provided that his skin does not touch them. There is no casual kilayim, and a person may not wear kilayim even on top of ten [garments], and even in order to evade the tax.