Frogs of the Okefinokee Swamp 



Tadpoles to 99 mm.; transforma- 

 tion sizes at 29-38 mm; depth of 

 tail in length of tail 3 . 2-4.7, aver- 

 ages 3.87; spiracle just touches 

 lateral axis; eye just above lateral 

 axis; spiracle i . 06-1 . 38 nearer eye 

 than base of hind legs or vent, av- 

 erage 1.24; spiracle i . 25-1 . 6 near- 

 er eye than vent, 1.45; mouth in 

 interorbital distance i . 3-1 . 75, av- 

 erage 1.55; width of body in its own 

 length 1 . 3-2 . 1, average 1.56; 

 third lower labial row of teeth 1.25 

 less than horny beak, about equal 

 to single row of lower labial papil- 

 lae, 1/3 shorter than ist lower row; 

 sometimes a row of inner papillae 

 below the 3rd lower row of teeth; 

 median space in second upper 

 labial row 3 . 5-4 . 5 times either 

 lateral portion; second upper row 

 1/6 to 2/15 of the upper fringe; 

 belly straw yellow, colonial buff or 

 deep colonial buff; tail with round 

 cartridge buff or pinkish cinnamon 

 spots; no black line in dorsal crest 

 as in Rana grylio or R. virgatipes. 

 Eggs in a compact submerged mass. 

 Hudson Bay — Minnestoa — New 



York — New England 



Rana septentrionalis. 



Tadpoles to 92 mm,; transforma- 

 tion sizes at 25-38 mm. depth of 

 tail in length of tail 2.5-3.7, spi- 

 racle just below lateral axis; eye on 

 lateral axis; third lower labial row 

 of teeth 1 . 5-1 .25 less than horny 

 beak, much shorter than single row 

 of lower labial papillae, almost 

 1/2 shorter than ist lower row; 

 median space of second upper row 

 6-1 1 times the length of either 

 lateral portion; second upper row 

 2/15 to i/i 5 of the upper fringe, 

 k. Spiracle nearer vent than 

 snout, 1. 3 5-1. 8; mouth 1.3- 



