Reference - publication format

Koehler, R. 1900. Ophiures recuellies par 'l’Investigator' dans l’Océan Indien. II. Les ophiures littorales. Illustrations of the shallow-water Ophiuroidea collected by the Royal Indian Marine Survey Ship 'Investigator'.. Echinoderma of the Indian Museum, Part II. Indian Museum, Calcutta. 4 pp.