Title: The apodous holothurians
Subtitle: a monograph of the Synaptidæ and Molpadiidæ, including a report on the representatives of these families in the collections of the United States National Museum
First published: 1907
Subjects: Holothurians, United States National Museum, Catalogs, Sea cucumbers, Catalogs and collections, Molpadiidae
LC classification: QL384.H7 C43