A new Beringius from the Pacific northwest, with comments on certain described formsPublished in Nautilus, in 1959, in volume 73, pages 1-9A new operculate land snail from HaitiPublished in Nautilus, in 1959, in volume 72, pages 111-113A new marine gastropod from West MexicoPublished in Nautilus, in 1959, in volume 73, pages 9-11A new Spiralis from GuatemalaPublished in Nautilus, in 1959, in volume 72, pages 115Carychium clappi, new namePublished in Nautilus, in 1959, in volume 73, issue 1, pages 36
A new operculate land snail from HaitiPublished in Nautilus, in 1959, in volume 72, pages 111-113A new marine gastropod from West MexicoPublished in Nautilus, in 1959, in volume 73, pages 9-11A new Spiralis from GuatemalaPublished in Nautilus, in 1959, in volume 72, pages 115Carychium clappi, new namePublished in Nautilus, in 1959, in volume 73, issue 1, pages 36
A new marine gastropod from West MexicoPublished in Nautilus, in 1959, in volume 73, pages 9-11A new Spiralis from GuatemalaPublished in Nautilus, in 1959, in volume 72, pages 115Carychium clappi, new namePublished in Nautilus, in 1959, in volume 73, issue 1, pages 36
A new Spiralis from GuatemalaPublished in Nautilus, in 1959, in volume 72, pages 115Carychium clappi, new namePublished in Nautilus, in 1959, in volume 73, issue 1, pages 36