Plate XXXVIII 

 River-swamp frog (Rana heckschen) 



1 . Thompson's Landing, St. Mary's River, Ga. July 9, 1922. 



2. 3. Mature tadpoles, Alligator swamp, Callahan, Fla. August 18, 1922. x i.e. 



4. Mature frog, small size, 56 mm. Alligator swamp, Callahan, Fla. August 17, 



1922. Lateral aspect, x 0.75. 



5. Mature frog, large size, 95 mm. Alligator swamp, Callahan, Fla. August 17, 



1922. Lateral aspect, x 0.66. 



6. Mature frog, large size, 95 mm. Alligator swamp, Callahan, Fla. August 17, 



1922. Ventral aspect, x 0.5. 



