The Heterothermic Vertebrates of the Lower Pecos River Drainage, Pecos, Crockett, Terrell and Val Verde Counties, Texas

This is a draft manuscript that was intended to be published as part of the Texas Natural Areas Survey (TNAS) series and never was. The digital file here was provided by John Karges copied from a photcopied version and includes handwritten comments for revision. Those comments are sometimes difficult to read and apparently not any easier to read on the paper document. Many of the specimens collected as part of this survey are held by the University of Texas' Biodiversity Collections (TNHC). This digital version was OCR'ed using Adobe Acrobat.No abstract included in manuscript.Integrative Biolog