Clark Hubert L.

CLARK, HUBERT L. – 1948 A report on the Echini of the warmer eastern Pacific, based on the collections of Velero III. (Allan Hancock Expeditions, Vol. 5, pp. 225-351. Univ. Southern California). Los Angeles, Cal., 1948. pp. 386-396). Cinco especies nuevas de Galápagos). San Francisco, Cal., 1936.