Nine Ziegler Studio wax models. Series no. 24 (VI) : Development of the trout (Trutta fario). Showing embryo development within the egg Nine Ziegler Studio wax models. Series no. 24 (VI) : Development of the trout (Trutta fario). Showing embryo development within the egg. One of the models is damaged on the surface and has been repaired. The wooden mount of one of the other models is split.
