Natural History: Two Wet Specimen Displays, a wet specimen of the early life cycle of a Chicken, through days 3-15, mounted against a black backdrop, enclosed within a perspex display case, the interior filled with a preservative fluid, 16cm by 4.5cm by 11cm, together with a preserved wet specimen of a female Rat genitalia including embryo and placenta, enclosed within a perspex display case, the interior filled with a preservative fluid, 16cm by 4.5cm by 16cm, both prepared by Griffin Biological Laboratories Ltd, Tonbridge, England (2)