Philosophy of Science owes a considerable debt of gratitude to its referees—the Associate Editors, the members of the Editorial Board, and the many other individuals who help to review submissions. In acknowledgment of their essential service, we list here the names of those individuals who have refereed papers during the year 2005 (apart from the Associate Editors and members of the Editorial Board, listed on the inside cover).

Fred Adams

Alexander Afriat

Robert Almeder

Theodore Arabatzis

Andrè Ariew

Brad Armendt

Anthony Atkinson

Alan Baker

Eric Barnes

Jeffrey Barrett

Paul Bartha

Vadim Batitsky

Bill Bechtel

Joseph Berkowitz

Nico Bertoloni Meli

Kenneth Binmore

Frédéric Bouchard

Joel Braslow

Harold Brown

Jeremy Butterfield

Peter Carruthers

Anjan Chakravartty

Louis Charland

Carol Cleland

Daniel Cohnitz

Mark Colyvan

Graciela De Pierris

Heather Douglas

Phil Dowe

Stephen Downes

Catherine Driscoll

Armond Duwell

Chris Eliasmith

Marc Ereshefsky

Edward Erwin

Melinda Fagan

Don Fallis

Jan Faye

Hartry Field

Luciano Floridi

Henry Folse

John Forge

Malcolm Forster

Roman Frigg

Maria Galavotti

Peter Gardenfors

Michael Ghiselin

Stuart Glennan

Peter Goldie

Richard Grandy

Todd Grantham

Adolf Grunbaum

Rick Grush

Matthew Haber

Amit Hagar

Hans Halvorson

Andrew Hamilton

Richard Healey

David Hilbert

Christopher Hitchcock

Carl Hoefer

Colin Howson

Andrew Janiak

Michel Janssen

Mikael Janvid

Jonathan Kaplan

George Khushf

Natalia Komarova

Kevin Korb

Hilary Kornblith

Meinhard Kuhlmann

Henry Kyburg

Manfred Laubichler

Stephen Leeds

Matthew Leifer

Peter Lipton

Chuang Liu

Elisabeth Lloyd

Edouard Machery

Gianmatteo Mameli

Lou Marinoff

Anton Markos

Chris Martin

Mohan Matthen

James Mattingly

Tim Maudlin

Barry Maund

Timothy McGrew

Lee McIntyre

Jeffrey Mikkelson

Roberta Millstein

Wayne Myrvold

Matthew Nudds

Jay Odenbaugh

Samir Okasha

Erik Olsson

Ric Otte

Christian Perring

Vesselin Petkov

Beth Preston

Bill Ramsey

Nicholas Rescher

Robert Richardson

Alan Richardson

John Roberts

Don Ross

Louise Roth

Robert Rynasiewicz

Howard Sankey

Tilman Sauer

David Schmidtz

Jonah Schupbach

Robert Skipper

Elliott Sober

Wolfgang Spohn

Mauricio Suarez

Chris Swoyer

James Tabery

Scott Tanona

Neil Tennant

Robert van Rooij

Susan Vineberg

Ioannis Votsis

Peter Vranas

Jerome Wakefield

David Wallace

Denis Walsh

Sven Walter

Andrew Wayne

Steven Weinstein

Paul Weirich

R. Haven Wiley

Robert Wilson

Eric Winsberg

John Worrall

Arno Wouters

Naomi Zack

Kevin Zollman