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VIRGINIA JOURNAL OF SCIENCE

OFFICIAL PUBLICATION OF THE VIRGINIA ACADEMY OF SCIENCE

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Vol. 41                                                   No. 3                                               Fall 1990

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                          TABLE OF CONTENTS

 PAGE
OLD DOMINION UNIVERSITY
ISRAEL SCIENCE CONFERENCE


Introduction. Joseph C. Daniel.
157
Ecological and Epidemiological Studies on Mediterranean Spotted Fever in the Negev Desert of Israel.   K Y. Mumcuoglu, K Frish, R. Galun, B. Sarov, E. Manor and E. Gross.
159
Detection of a High Risk Rural Site of Morbidity Due to SpottedFever Group Rickettsia (Sfgr) in Southern Israel.
Batia Sarov, Israel Sarov, Aharon Galil, Emanuel Sikuler and PabloYagupsky.                                                          

161
The Effect of R. conorii and Israeli Spotted Fever on Secretion
 O+ Factors from Macrophages.
  Ester Manor and Israel Sarov.
163
Ecology of Rocky Mountain Spotted Fever in Virginia and Maryland.   Daniel E. Sonenshine.
167
American Business, Public Policy and the Older Worker.
 Judith C. Hushbeck.
169
The Utilization of the Older Workers in Israel.   Gila Noam and Judah Matras
182
Work and Retirement Decisions in Israel: Demographic Back-ground, Scientific Perspectives and Social Issues.
 Dan Jacobson
200
Retirement and Reentry Decision-Making.   Seth Zimmer and Albert S. Glickman
213
National Science Policy, Collaborative Research and the Advancement of Science. David Johnson.
228
ARTICLES 

Enteric Bacteria in Natural Populations of Freshwater Turtles inVirginia.   Joseph C. Mitchell and Brian V. McAvoy
233
Feeding in the Pigweed Flea Beetle, Disonycha glabrata Fab. (Coleoptera:Chrysomelidae), on Amaranthus retroflexus.
Anne Marie Tsler
243
An Atwood Machine with a Variable Mass Distribution.
 James N. Boyd.
246
Rediscovery of Pseudotremia cavernarum Cope in Virginia. Donald W. Limey.
249
AAAS RESOLUTION
251
LATE ABSTRACTS 253