Grass Frogs (Rana sp.) - Size: 4- 4-1/2, Injection: Double, Preserved

Phylum Chordata, Subphylum Vertebrata, Class Amphibia (Preserved Frogs).

*NOTE: Preserved frogs supplied by Nasco come from a collecting area that has been renewing its population over the past 25 years because of habitat improvement by man. Nasco does not supply frogs for dissection from collecting areas that might be in danger of population depletion.