Echinoidea

29 p., 4 p. of plates : ill., col. map ; 27 cm.Includes bibliographical references (pt. 1, p. 13; pt. 2, p. 28-29).pt. 1. The Dudley Expedition / by Barnum Brown. The Harrar Plateau. Crystalline basement. The Adigrat sandstone. Upper Jurassic limestones. Cretaceous deposits. Nubian sandstone(?). Tertiary and Quaternary deposits. The Dirre Daua region. The Hargeisa, British Somaliland, region -- pt. 2. Echinoidea / by Ethel D. Currie. Jurassic Echinoidea from Ethiopia. Cretaceous Echinoidea from Ethiopia. Eocene Echinoidea from British Somaliland

Cephalopoda and a Nautilus

p. [55]-93, [16] p. of plates : ill. ; 27 cm.Includes bibliographical references (p. 91-93).Age of the Ethiopian fauna -- Relationships of the fauna -- Description of species. Ammonoidea. Family Perisphinctidae. Family Aspidoceratidae. Family Simoceratidae. Aptychi. Nautiloidea. Family Paracenoceratidae

Jurassic Anthozoa and Hydrozoa

p. [31]-53, [5] p. of plates : ill. ; 27 cm.Includes bibliographical references (p. 52-53)