Number 12 - Novermber 1950

Cover

Preface to Bulletin Twelve

Article
Ozark Cave Life
Charles E. Mohr

Article
Cavern-Dwelling Salamanders of the Ozark Plateau
M.B. Mittleman

Article
The Invertebrate Fauna of Ozark Caves
Leslie Hubricht

Article
Bones in the Brewery
George Gaylord Simpson

Article
Sex Ratios in Hibernating Bats
Harold B. Hitchcock

Article
Spelunking in a Pyramid
Alexander D. Therrien

Poem
Cavern Hymn of the Earth Plant
Jay Esspee

Article
Ice Caves
Patricia Merriam

Article
Calcite Bubbles - A New Cave Formation?
Gordon T. Warwick

Article
The Survey of Schoolhouse Cave
H.F. Stimson

Article
Cave Mapping
A.C. Swinnerton

Article
Formation and Mineralogy of Stalactites and Stalagmites
Forrest L. Hicks

Obituary
Clyde A. Malott, 1887-1950

Article
Explorations in Ball's Cavern
Charles J. Hanor and others

Article
Exploring an Underground River
John Dyas Parker

Authors

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