"Ward's Science"

Formalin preserved fetal pigs.

Formalin preserved fetal pigs.

Formalin preserved fetal pigs.

Formaldehyde-free preserved fetal pigs.

Formalin preserved rats. Available in vacuum packs or pails.

Formalin preserved rats. Available in vacuum packs or pails.

Formalin preserved stingray.

Formaldehyde-free rats. Available in vacuum packs.

Formalin preserved mink. Available in vacuum packs or pails.

Formalin preserved earthworms. Available in vacuum packs or jars.

Formalin Preserved

Green shale which contains approximately 85% Illite. Impurities may include other clay minerals, such as micas and feldspars.

An excellent specimen used to demonstrate the insect body structure.