42 Frogs of the Okefinokee Swamp 



average 1.52; internasal space in interorbital space 1.28 

 -1.83, average 1.56; depth of body 1.74-2.5 in body 

 length, average 2.04; muscular part of tail in depth of 

 tail 1.45-2.5, average 1.98; last lower row of teeth 

 longer than horny beak. Last lower row of teeth i . 5 

 times in next to lowest row of teeth. Egg mass an ir- 

 regular cylinder, at first bandlike. 



Massachusetts — Florida — Texas and Arkansas 



Scaphiopus holbrookii. 



dd . Labial teeth 2/3 ; papillae confined to the sides of the labium 

 (on lower half only in Bufo punctatus) upper and lower edges 

 toothed; papillary border on each side emarginate; eyes 

 sHghtly nearer lateral outline than mid dorsal Hne, above 

 lateral axis; spiracle small, a porelike opening; tadpoles 24- 



28 mm. in length Bufonidae. 



e. Papillae on upper and lower halves of lateral labial 

 margin ; some inner papillae. 



f. Black or blackish tadpoles; in life intestine shows 

 through the skin of the belly; third lower row of 

 labial teeth long, i . 2-1 .6 in first lower row; third 

 lower row i. 0-1.5 ^^ horny beak; median space 

 between lateral parts of the 2nd row of upper labial 

 teeth small, contained 2 . 0-4 . o times in either lateral 

 half, not greater than lateral half, 

 g. Papillae plainly visible. 



h. Tadpole to 24 mm; horny beak in upper 

 fringe 1.75, in first or second lower row 

 1.5; horny beak equal to or less than the 

 3rd lower row of teeth; median space be- 

 tween two parts of second upper row i . 4- 

 2 . 1 in either lateral part; third lower row 

 of teeth in first lower row i . 2-1 .4; two or 

 more rows of strong papillae from end of 

 upper fringe to end of third lower row, 

 sometimes 3-5 rows at side of labium; 

 lower loop of papillae far below level of 

 third row and with at least two rows of 

 papillae ; mouth in interorbital space i . o- 

 1.5, average i . 1 7 ; mouth larger than inter- 

 nasal space 1 . 2-1 . 6, average 1.36; depth 

 of tail in tail length 2 . 4-4 . 5, average 3.27; 

 eye nearer snout than spiracle i . o-i . 56, 

 average 1.2; nostril nearer eye than snout 

 1.1-1.8, average 1.48. Egg mass long 

 file, inner tube no partitions. North 



Carolina — Florida — Louisiana 



Bufo terrestris. 



