LIST OF CONTRIBUTORS
Numbers in parentheses indicate the pages on which the authors' contributions begin.
BRIDGET I. BAKER ( l ) , Department of Zoology, University of Liverpool,
J. N. BALL ( 1, 207, 321), Department of Zoology, University of Shejgield,
HOWARD A. BERN (3!39), Department of Zoology and Cancer Research
D. K. 0. CHAN" (321), Department o f Zoology, University of Shejgield,
I. CHESTER JONES (321), Department of Zoology, University of Shefield,
D. HAROLD COPP (377), Department of Physiology, University of British
AUGUST EPPLE (275), Daniel Baugh Institute of Anatomy, Thomas JefAUBREY GORBMAN (241), Department of Zoology, University of WashingI. W . HENDERSON (321), Department of Zoology, University of S w l d ,
A. M. PERKS ( lll), Department of Zoology, University of British ColumLiverpool, England
Sheffield, England
Genetics Laboratory, University of California, Berkeley, California
She field, England
Shffield, England
Columbia, Vancouver, Canada
ferson University, Philadelphia, Pennsylvania
ton, Seattle, Washington
Sheffield, England
bia, Vancouver, Canada
' Present address: Department of Zoology, University of Hong Kong, Hong Kong.
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