346 RANA, RHINOCEROS. 
Four to six inches long. Leaps to a great dis- 
tance ; croaks loudly in the spring season. 
femporaria, (common freg,) back flattish, suban- 
gular; sometimes dirty-olive above, with large 
warty spots, and very large. 
escutenta, (eatable frog,) body angular; back 
transversely gibbous; belly emarginate. Body 
green with three yellow lines. The male croaks 
at evening. 
Section ©. Hind feet very long ; claws lenticu- 
lated. Chirping toads. 
arborea, (tree-toad,) body greenish-brown, or Ci- 
nereous, granulate beneath ; feet cleft, having 
obicular flattened claws secreting an adhesive 
mucus. 
boans, (croaking chirper,) body smooth with con- 
tiguous dots beneath ; feet palmate. 
See MS. P. 
8—8. Rapuipra. Spec. 2. 
ophiosus, thorax cylindric 3 wings without spots.. 
sce Ms. P. 
2—5. Recurvirostra. Spec. 3. 
americana, (avocet,} head and neck reddish 3 back 
black, white beneath. 
See MS. P. 
2—3. Ruampnuasros. Spec. 17. 
viridis, (toucan,) green; belly yellow ; rump red. 
About fourteen inches long. 
See MS. P. 
i—6. Rurvnoceros. Spee. 2. 
iintcornis, (one-horned rhinoceros,) one horn on. 
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