186 BATRACHIA: SALIENTIA. — XXVII. 
bb. Tympanum as large or larger than eye. 
529. R. clamata Daudin. GREEN FroG. Green or brownish, 
brighter in front; generally with irregular small black spots; arms 
and legs blotched, yellowish or white below; tympanum large ; 
glandular folds large ; toes well webbed ; first finger not extending 
beyond second; tibia and femur equal, 4 body. L. 3. E.U.S., 
in springs, ete. (Lat., called to.) 
aa. Glandular folds on sides of back obsolete or nearly so; dark spots on back 
small; web of feet reaching tip of fourth toe. 
530. R. catesbiana Shaw. Buuu-Froa. Greenish, of varying 
shades, with small faint dark spots above ; head usually bright 
pale green ; legs blotched; ear large toes broadly webbed; femur 
equal to tibia, not half body. L. 5 to 8. Largest of the frogs; in 
ponds and sluggish rivers, from Kansas E.; remarkable for its 
sonorous bass notes. (To Mark Catesby, who first figured the 
bull-frog.) 
