DescriptionRana onca.jpg English: The Relict Leopard Frog (Rana onca) on a plate from the work The Frog Book by Mary Cynthia Dickerson Date 1907 Source...
El Naturalista argentino - revista de historia natural (IA Naturalistaarge1Arri) (page 51 crop).jpg...
brown. Fig. 6.—Rana onca Cope. Las Vegas, Nevada. The spots are evanescent in character; they maybe outlined with light or not. Fig. 7.—Rana boylii Bd. and...
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