Deux cumacés nouveaux de l'atlantique tropical : atlantistylis chauvini n. G., n. sp. (diastylidae) et pseudodiastylis delamarei n. sp. (lampropidae)

The study of a collection of Cumacean (Diastylidae and Lampropidae) from the 31st cruise of the R.S. "Atlantis II" (Woods Hole Oceanographic Institution) between Dakar and Recife in February 1967, provided a number of specimens belonging, either to a new genus, or to a new species of a monotypic genus, known only through one specimen.