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pl23_expl3201.jpg

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https://www.noaa.gov/media/digital-library-photo/pl23expl3201jpg

Description

Figure 28. Calveria hystrix, Wyville Thomson. Inner surface of a portion of the test showing the structure of the ambulacral and interambulacral areas.In: Thomson, Wyville. 1873. The Depths of the Sea. MacMillan and Co., London.

Credit

NOAA Central Library Historical Collections

Collection

Voyage to Inner Space