Status of Spea stagnalis Cope (1875), Spea intermontanus Cope (1889), and a systematic review of Spea hammondii Baird (1839) (Amphibia: Anura)

In this report emphasis is placed on the dorsal skull characters of the genus Spea and the three species, bombifrons , hammondii , and intermontana . Spea hammondii is a polytypic species with at least three subspecies, hammondii , multiplicatus , and stagnalis , each of which is described and the distribution indicated. Drawings and photographs of skulls are provided for each species, with hammondii and intermontana receiving special consideration.