Riker mount

A Riker mount is a flat container used for mounting a specimen (typically plant or insect) on cotton wool or other backing material, often with transparent glass or plastic cover as protection. It was patented by Clarence B. Riker (d. 1947), American naturalist and drug manufacturer, in 1902.

Mantodea displayed in Riker mounts (D, E, F)

References

• Merriam-Webster Dictionary
• New York Times, January 3, 1947
• US Patent Office: US-0696750-A