. Die Echinoiden der Deutschen tiefsee-Expedition . Wti-: K' ««'.'•:-'- fa3r- < KM Döderlein phot. 1. Echinus giiehristi. 2—5. E. gilchristi var. hirsuta. Photctypie Elsäss Druckerei, Sirassburg i. E. Taf. XVIII. Verlag von Gustav Fischer in Jena.

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectechinod, bookyear1906