Two Yixing teapots and covers 1st half 18th century

Two Yixing teapots and covers 1st half 18th century, one moulded as a tree trunk with squirrels scampering over leaves and emerging from knotholes, the other recatngular and decorated with four bird roundels, the handle and spout formed as mythical creatures, a little restoration, 17.4cm max. (4) Provenance: the Arthur J Harris collection.