Vol. 83, No. 51, pp. 585-596 9 February 1971 PROCEEDINGS OF THE BIOLOGICAL SOCIETY OF WASHINGTON A MOLLUSCAN FAUNULE FROM 200 METERS OFF VALPARAISO, . CHILE, WITH DESCRIPTIONS /^^^^^^^^ OF FOUR NEW SPECIES / -^^ ^ .z^-,* »-FB9 1971 By Harald a. Rehder ^>^'8RAR*^*' Smithsonian Institution, Washington, D.C. During a cruise on the R/V Anton Bruun in early 1966, Roger F. Cressey, Jr. and Robert H. Gibbs, Jr. of the Smithsonian Institution, and Bruce B. Collette of the Bureau of Commercial Fisheries, Department of the Interior, spent some days between trips in Valparaiso, Chile. On 12 February they were given the opportunity of going out in a private fishing boat, the M/V Ruiz, and doing some trawling off the coast. Two hauls were made, and on one of them, made with a shrimp trawl in 200 meters depth, 17-18 kilometers NW of Valparaiso, six species of mollusks were found in the haul. Because of the interesting nature of this small collection, which included four new species, I have thought it worthwhile to publish this paper. My thanks are due to my three colleagues for taking the trouble to save and preserve the mollusks they found in this haul, and to Wal-ter O. Cemohorsky, now of the Auckland Institute and Mu-seum, Auckland, New Zealand, for preparing the radula slide of the new species of Aeneator described below and making the drawings I have used. To Dr. Harold E. Vokes of the De-partment of Geology, Tulane University, New Orleans, Louisi-ana and to Mrs. Thomas H. Marshall of Seattle, Washington, I am grateful for allowing me to examine additional lots of Bathybembix chilensis n. sp. 51— Prog. Biol. Soc. Wash., Vol. 83, 1970 (585)
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