Introduction To The Festschrift / Fredericka B. Oakley -- Elwyn Laverne Simons : A Very Personal View / Friderun Ankel-simons -- A Personal Reminiscence Of Elwyn / David Pilbeam -- Sir Wilfrid Le Gros Clark : The Making Of A Paleoanthropologist / Bernard Wood -- Sir Wilfrid Le Gros Clark : Personal Recollections Of Le Gros / Elwyn Simons -- Human Evolution And The Challenge Of Creationism : A Speech Given At Duke University, September 16, 2005 / John B. Oakley -- Five Decades In The Fayum / Elwyn Simons ... [et Al.] -- Geology, Paleoenvironment, And Age Of Birket Qarun Locality 2 (bq-2), Fayum Depression, Egypt / Erik R. Seiffert ... [et Al.] -- Eocene And Oligocene Mammals Of The Fayum, Egypt / Elwyn Simons -- Early Evolution Of Whales : A Century Of Research In Egypt / Philip D. Gingerich -- The Basicranial Anatomy Of African Eocene/oligocene Anthropoids : Are There Any Clues For Platyrrhine Origins? / Richard F. Kay, Elwyn Simons And Jennifer L. Ross -- Paleontological Exploration In Africa : A View From The Rukwa Rift Basin Of Tanzania / Nancy J. Stevens ... [et Al.] -- Return To Dor Al-talha : Paleontological Reconnaissance Of The Early Tertiary Of Libya / D. Tab Rasmussen ... [et Al.] -- Revisiting Haritalyangar, The Late Miocene Ape Locality Of India / Rajeev Patnaik -- Revisiting Primate Postcrania From The Pondaung Formation Of Myanmar : The Purported Anthropoid Astragalus / Gregg F. Gunnell And Russell L. Ciochcon -- A Haplorhine First Metatarsal From The Middle Eocene Of China / Daniel L. Gebo ... [et Al.] -- New Data On Loveina (primates: Omomyidae) From The Early Eocene Wasatch Formation And Implications For Washakiin Relationships / Patricia A. Holroyd And Suzanne G. Strait -- The Behavioral Ecology Of Our Earliest Hominid Ancestors / R.w. Sussman And Donna Hart -- Decades Of Lemur Research And Conservation : The Elwyn Simons Influence / Patricia C. Wright -- Low Fetal Energy Deposition Rates In Lemurs : Another Energy Conservation Strategy / Chris Tilden -- Old Lemurs : Preliminary Data On Behavior And Reproduction From The Duke University Primate Center / Linda Taylor -- Peculiar Tooth Homologies Of The Greater Bamboo Lemur (prolemur = Hapalemur Simus) : When Is A Paracone Not A Paracone? / Jukka Jernvall, Christopher C. Gilbert And Patricia C. Wright -- How Big Were The Giant Extinct Lemurs Of Madagascar? / William L. Jungers, Brigitte Demes And Laurie R. Godfrey -- Ghosts And Orphans : Madagascar's Vanishing Ecosystems / Laurie R. Godfrey ... [et Al.] -- Vicariance Vs. Dispersal In The Origin Of The Malagasy Mammal Fauna / Ian Tattersall -- On The Brink Of Extinction : Research For The Conservation Of The Tonkin Snub-nosed Monkey (rhinopithecus Avunculus) / Herbert H. Covert, Le Khac Quyet And Barth W. Wright. John G. Fleagle, Christopher C. Gilbert, Editors. Papers Presented At A Festschrift Held Sept. 16-17, 2005, In Durham, N.c., On The Occasion Of Simons's 75 Birthday, With Some Additional Contributions. Includes Bibliographical References And Index. Publications By Elwyn Simons Through 2006: P. 429-443.