Volume 47 (1) - October 1985

Complete Issue

Article
The Western Kentucky Speleological Survey-A Progress Review
M.D. Dyas

Article
Natural Temporal Evollution of the CO2 Content in the Air of the "Paintings Chamber" at Altamira Cave
E. Villar, P.L. Fernandez, L.S. Quindos, and J. Soto

Article
Mineralogy of Rohrer's Cave, Lancaster County, Pennsylvania
William B. White, Barry E. Scheetz, Scott D. Atkinson, Dale Ibberson, and Catherine A. Chess

Article
The Deflected Stalactites of Dan-Yr-Ogof: A Hypothesis
John P. Sevenair

Conference Report on Meeting of the British Cave Research Association

Book Reviews

• The Creative Explosion: An Inquiry into the Origins of Art and Religion
• Karstification on the Silurian Escarpment in Fayette County, Northeastern Iowa
• The Archaeology, Geology, and Paleobiology of Stanton's Cave, Grand Canyon National Park, Arizona
• Groundwater as a Geomorphic Agent
• Karst Hydrology and Physical Speleology

Letters

Cave and Karst Abstracts

Article
Allophane Flowstone from Newton Cave, Western Washington State
John A. Webb and Brian L. Finlayson

Report
Caving Practices, Involvement in Caving, and Personality in NSS Cavers: A Survey Study
David E. Bunnell and Carol A. Vesely

Proceding of the Society: Selected Abstracts 1985 NSS Convention in Frankfort, Kentucky

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Volume 47 (2) - December 1985

Complete Issue

Special Issue: Regressive Evolution

Introduction
David C. Culver

Article
Regressive Evolution: An Historical Perspective
T.C. Kane and R.C. Richardson

Article
Why All Cave Animals Do Not Look Alike-A Discussion on Adaptive Value of Reduction Processes
Boris Sket

Article
Can Evolution Regress?
Aldemaro Romero

Article
Regressive Evolution in Collembola
K. Christiansen

Article
The Evolution of Polygenic Systems, Studied on Epigean and Cave Populations of Astyanax fasciatus (Characidae, Pisces)
Horst Wilkens

Article
Evolutionary Reduction by Neutral Mutations: Plausibility Arguments and Data From Amblyopsid Fishes and Linyphiid Spiders
Thomas L. Poulson

Article
Regressive Evolution in Stenasellids (Crustacea Isopoda Asellota of Underground Waters)
Guy J. Magniez

Article
A Reconsideration of Ludwig's Differential Migration Theory of Regressive Evolution
Daniel W. Fong and David C. Culver

Article
On the Heredity of Behavior Patterns in Cave Animals and Their Epigean Relatives
Jakob Parzefall

Article
The Role of Metabolism in the Evolution of Cave Animals
Kathrin Hüppop

Article
Time-Keeping Mechanisms and Their Ecological Significance in Cavernicolous Animals
Günther Lamprecht and Friedrich Weber

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