Hypodermic Pravaz syringe - 19th century

Syringe in it's case

not functional

Needle - Dr. Léon Finelle's trocar in its case 

Early 20th century

Glass ball butterfly

Species: Sunset moth Butterflies - Chrysiridia rhipheus from Madagascar

Entomological box - Butterfly

Morpho aega butterfly from Brazil

Superb metallic blue reflections that are not due to pigments but to the cellular structure of the wings. In fact, this butterfly has no blue pigments. 

Entomological Box

Argema mittrei - Comet moth - Madagascan moon moth

Female

Commemorative medal - Token

Napoleon III - Second Empire

Diaphanization of a cat foetus - Felis catus (Not full term)

Biological preparation

The aim of diaphanization is to render the tissues transparent through a chemical process, and specific dyes are used to highlight the skeleton.

You can see the bones through the skin!

Not a protected species

Flight of butterflies under a glass bell

5 Salamis duprei butterflies from Madagascar

Entomological box

Species: Orb-weaver spider - Macracantha arcuata from Thaïland