"VWR"

Red-brown to gray, coarse-grained, containing feldspar and mica.

Gray, fine to medium-grained “Berea grit”.

One of the largest Drosophila species. Useful for preparing salivary gland chromosome squashes.

Recommended by the Carnegie Institute
Mature Drosophila are cultured in our own labs, and are marked with the culture initiation date. Culture is shipped in our instant medium in a shatterproof vial. The Fruit Fly pupae will usually appear within ten days of the ship date. You will also receive WARD’S Drosophila Culture Guide. Note: We can supply any of our single strains in the larger quantity for 100 students. Call our Customer Service department for details.

When general laboratory grade water (Type III) is all you need, then PURELAB Chorus 3 is the reliable solution with the flexibility to suit your requirements.

Gray with line crinoid columnal fragments.

Shiny black volcanic glass showing conchoidal fracture and some spherulites.

Grayish black trap rock.

Specially Prepared “Real-Life” Combinations
The world is teeming with a wide variety of microlife, making studying samples of pond water complicated especially for the beginning student. To lessen the confusion, WARD’S has prepared different culture mixes that reflect protist combinations that occur in the real world, yet eliminates the hundreds of other life-forms found in a collected sample. Comes with a dichotomous key and either the Working with Algae or the Working with Protozoa manual. Supplied in a single jar.

Contents: Chlamydomonas, Closterium, Pandorina, Peridinium, Spirogyra, Synedra, and Volvox.

When Type II water is all you need, then PURELAB Chorus 2 (RO/DI) is the reliable solution with the flexibility to suit your requirements.

This organism is normal flora of human intestine and may be pathogenic in humans. This organism will grow in Sodium chloride solution.

This large culture collection includes the specimens presented most often in university textbooks

Ideal choice for protein or nucleic acid separations.

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

This yellow, shiny organism is known to cause wound infections and more famously, toxic shock syndrome.

Feldspar group; white to gray, sodium plagioclase cleavages; some faces may show twinning.

Abundant small black phenocrysts in a gray to brown matrix.