A study of the Great Basin Land Snail oreohelix strigosa depressa (Cockerell)

A survey of the previous mention of this snail provides a practical background for this essentially morphological study. The literature applicable to Oreolxdix strigosa depressa (Cockerell) in Utah may be summarized by reference to the following articles in the bibliography: directions for preparing and preserving, Chamberlin and Jones (1929); histological methods, Jones (1932); technique of sectioning the shell, Jones (1935, on tiger snail); locality records, Chamberlin and Jones (1929), Chamberlin and Berry (1929), Berry (1930), Berry (1931), Woodbury (1933), Jones (1935, on Weber Canyon mollusks), and Pilsbry (1939) ; comparative anatomy of genitalia with reference to taxonomy, Pilsbry (191(5) (1917) (1933) and (1939); comparative histology of the supramarginal ridge, Jones (1938); and physiology (burrowing reactions), Jones (1935, Nautilus).