Five Ziegler Studio wax models. Series no. 8 (XV) : Development of the vertebrate eye. The models are numbered, 1, 3, 7, 8, 9 are present. Five Ziegler Studio wax models. Series no. 8 (XV) : Development of the vertebrate eye. The models are numbered, 1, 3, 7, 8, 9 are present. Models 1-7 are of the chick, model 8 of a mammalian eye and model 9 of a 'vertebrate' eye. Models 1 and 8 are damaged.
