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Volume 4, Number 1- September 2001



Editorial comment. Anders G.J. Rhodin 3


Observations on body size, sympatry, and niche divergence in softshell turtles (Trionychidae). Peter C.H. Pritchard 5

Sexing young free-ranging desert tortoises (Gopherus agassizii) using external morphology. James L. Boone and Eric A. Holt 28

The green turtle, Chelonia mydas, in Queensland, Australia: the Bramble Cay rookery in the 1979—1980 breeding season. Colin J. Limpus, David Carter, and Mark Hamann 34

Genetic population structure of two threatened South American river turtle species, Podocnemis expansa and Podocnemis unifilis. Brian C. Bock, Vivian P. Páez, and Matthew M. White 47

Morphometric model for sex assessment in hatchling olive ridley sea turtles. Jesus Emilio Michel-Morfin, Victor M. Gomez Muñoz, and Carmen Navarro Rodriguez 53

Deforestation and habitat loss for the Malagasy flat-tailed tortoise from 1963 through 1993. Stephen T. Tidd, John E. Pinder III, and Gary W. Ferguson 59

Demographic and ecological factors affecting conservation and management of the diamondback terrapin (Malaclemys terrapin) in South Carolina. J. Whitfield Gibbons, Jeffrey E. Lovich, Anton D. Tucker, Nancy N. FitzSimmons, and Judith L. Greene 66

Seasonal movements and reproduction in the striped mud turtle (Kinosternon baurii) from the southern Everglades, Florida. Walter E. Meshaka, Jr. and Eric Blind75Use of thermal springs for aquatic basking by the pig-nosed turtle, Carettochelys insculpta. J. Sean Doody, Rachel A. Sims, and Arthur Georges 81

A system-of-equations growth function for southern Great Barrier Reef green sea turtles. Milani Chaloupka 88

Some ecological parameters of the wood turtle, Clemmys insculpta, in southeastern Pennsylvania. Carl H. Ernst 94

Sexual dimorphism and morphological differentiation in European pond turtle (Emys orbicularis) populations from northwestern Spain. César Ayres Fernandez and Adolfo Cordero Rivera 100

Migration routes and destination characteristics of post-nesting hawksbill turtles satellite-tracked from Barbados, West Indies. Julia A. Horrocks, Lotus A. Vermeer, Barry Krueger, Michael Coyne, Barbara A. Schroeder, and George H. Balazs 107

Terrestrial habitat use by aquatic turtles from a seasonally fluctuating wetland: implications for wetland conservation boundaries. Kurt A. Buhlmann and J. Whitfield Gibbons 115

Trace metal concentrations in blood of the Kemp’s ridley sea turtle (Lepidochelys kempii). Lisa O. Kenyon, André M. Landry, Jr., and Gary A. Gill 128

Habitat use and movements of radiotagged Blanding’s turtles (Emydoidea blandingii) in a suburban landscape. Cory S. Rubin, Richard E. Warner, and Daniel R. Ludwig 136

The loggerhead turtle, Caretta caretta, in Queensland: breeding migrations and fidelity to a warm temperate feeding area. Colin J. Limpus and Duncan J. Limpus 142

Notes and Field Reports

Notes on the distribution, life history, and exploitation of turtles in Sulawesi, Indonesia, with emphasis on Indotestudo forstenii and Leucocephalon yuwonoi. Steven G. Platt, Robert J. Lee, and Michael W. Klemens 154

Kyphosis in a musk turtle (Sternotherus odoratus) from Ontario, Canada. Raymond A. Saumure 159

Surface ultrastructure and retention of the egg caruncle in the European pond turtle, Emys orbicularis. Slawomir Mitrus 160

Response of juvenile softshell turtles (Apalone mutica) in a thermal gradient. Alan V. Nebeker and R. Bruce Bury 162

Husbandry, behavior, and captive breeding of the Nama padloper, Homopus bergeri, from southwestern Namibia. Alfred Schleicher and Victor J.T. Loehr 165

Mycoflora identified from failed green (Chelonia mydas) and loggerhead (Caretta caretta) sea turtle eggs at Heron Island, Australia. Andrea D. Phillott, C. John Parmenter, and Colin J. Limpus 170

A tortoise survey of Shwe Settaw Wildlife Sanctuary, Myanmar, with notes on the ecology of Geochelone platynota and Indotestudo elongata. Steven G. Platt, Saw Tun Khaing, Win Ko Ko, and Kalyar 172

Summertime foraging and feeding by immature loggerhead sea turtles (Caretta caretta) from Georgia. Michael G. Frick, Kristina L. Williams, and Lianne Pierrard 178

Winter survey of a gopher tortoise population in South Carolina. Tracey D. Tuberville and Michael E. Dorcas 182

Penis displays of snapping turtles (Chelydra serpentina) in response to handling: defensive or displacement behavior? Shane R. de Solla, Melinda Portelli, Holly Spiro, and Ronald J. Brooks 187

Maximum size and mass of the ploughshare tortoise, Geochelone yniphora. Miguel Pedrono and Tim Markwell 190

Nesting biology of the sea turtles of St. Kitts, West Indies. Joseph A. Butler 191

Assessment of sea turtle mortality rates in the Bahía Magdalena region, Baja California Sur, México. Susan C. Gardner and Wallace J. Nichols 197

Diet of the softshell turtle, Trionyx triunguis, in an Afrotropical forested region. Godfrey C. Akani, Dario Capizzi, and Luca Luiselli 200

Feeding of Dermochelys coriacea on medusae in the northwest Atlantic. Michael C. James and Thomas B. Herman 202

Over three decades of persistence of a small and apparently isolated population of painted turtles (Chrysemys picta) in a Kentucky reservoir. Peter V. Lindeman and A. Floyd Scott 206

On the possible occurrence of the marginated tortoise, Testudo marginata, in Turkey. Oguz Türkozan, Yusuf Kumlutas, and Çetin Ilgaz 208

Commentaries and Reviews

An overview of the North American turtle genus Clemmys Ritgen, 1828. Carl H. Ernst 211

Relative importance of thermal and nonthermal factors on the incubation period of sea turtle eggs. Matthew H. Godfrey and N. Mrosovsky 217

Linnaeus Fund Research Reports

Age estimation of Eretmochelys imbricata by schlerochronology of carapacial scutes. Anton D. Tucker, Damien Broderick, and Lorelei Kampe 219

Investigations of the ecology of Graptemys versa and Pseudemys texana in southcentral Texas. Peter V. Lindeman 223

Molecular systematics of emydine turtles. Chris R. Feldman and James Ford Parham 224

Genetic relatedness of populations of the mud turtle, Kinosternon baurii, from mainland Florida and the upper and Lower Florida Keys. Dawn S. Wilson and Stephen A. Karl 228

Turtle Poetry

Playa Grande beac. Michael H.J. Rhodin 231

Recent Literature

Recent literature on freshwater turtles, tortoises, and marine turtles 232