io6 Fj-ogs of the Okefinokee Swamp 



LeConte (1855, pp. 429, 430) writes "This curious animal so much re- 

 sembhng a frog in its maxillary and palatine teeth, and a toad in its parotids, 

 the form of its body and its subterranean life, gives a fair example of some of 

 our systematic arrangements. It has been placed by M. Dumeril among the 

 frogs, of the genus Bufo. The fiat spur, as it has been called, at the root of 

 the first toe on the internal margin of metatarsus, is nothing more than a 

 much developed form of a scale or a disk occupying the same situation in 

 most animals of this family." 



In 1855 Baird describes Scaphiopus couchii and in 1859 Scaphiopus ham- 

 mondii. In 1882 Boulenger places Scaphiopus holhrookii, Scaphiopus couchii 

 and Scaphiopus rectifrenis in the same portion of the key under "Derm of 

 head involved in cranial ossification" as opposed to "Derm of head free from 

 dermal ossification" in which group he places Scaphiopus hammondii. The 

 latter in 1866 Cope placed in Spea on the character Boulenger employs 

 above. In 1889 Cope still retained Spea for S. hammondii and S. multi- 

 plicata. 



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