"Ward"

Gray to buff, with numerous ooliths and fossil fragments.

Philodina sp. Easy to culture and easy to examine under a microscope because of the lack of a lorica (shell), these typical rotifers are perfect for general study. Culture instructions are included.

Alcohol Preserved

Realistic And Accurate, Cast From An Actual Specimen

Formaldehyde-free bullfrogs. Available in pails or vacuum packs.

Dark gray, composed mostly of pyroxene and olivine.

Feldspar group; good cleavages of pure soda lime feldspar; most show twinning and labradorescence.

Demonstrate the Process of Learning

Clear rhombs showing double refraction.

Improved Formula for Higher Yields

Illustrates characteristics of blood cell types.

Glossy green dunite (olivine) inclusion in non-genetically related basalt. Average size: 3" x 4".

Red, classic oolitic texture.

White and black bands of quartz, feldspar, and biotite; typical foliation.

Normal flora of respiratory tract. Beta-lactamase positive. Also known by the name Branhamella catarrhalis

Poecilia reticulata.