Lower Cretaceous.

The fourth volume of a series of reports dealing with the systematic geology and paleontology of Maryland.Versos of some of the plates on which brief explanations are given are numbered as pages.At head of title: Mayland geological survey.Preface -- The Lower Cretaceous deposits of Maryland. By W. B. Clark, A. B. Bibbins, and E. W. Berry -- The Lower Cretaceous floras of the world. by E. W. Berry -- Correlation of the Potomac formations. By E. W. Berry -- The Reptilia of the Arundel formation. by R. S. Lull -- Systematic paleontology, lower Cretaceous: Vertebrata. [By] R. S. Lull; Mollusca. [By] W. B. Clark; Pteridophyta. [By] E. W. Berry; Cycadophytae. [By] E. W. Berry; Gymnospermae. [By] E. W. Berry; Monocotyledonae. [By] E. W. Berry; Dicotyledonae. [By] E. W. Berry -- General index -- Paleontological index.Mode of access: Internet