Curtis A. Marantz,^1,2 Michael A. Patten<sup>3,4

1</sup>Museum of Natural Science, Louisiana State University, Baton Rouge, Louisiana 70803, USA
²Present address: Macaulay Library, Cornell Laboratory of Ornithology, 159 Sapsucker Woods Road, Ithaca, New York 14850, USA. E-mail: cam233@cornell.edu
³Oklahoma Biological Survey and Department of Zoology, University of Oklahoma, Norman, Oklahoma 73019, USA
⁴San Diego Natural History Museum, San Diego, California 92112, USA