"Ward's Phenomena"

Carassius auratus.

Erpobdella obscura

One each of foliose, crustose, and fruticose lichen. The foliose and crustose lichens are any of a wide variety of species; the fruticose lichen is either cladonia or reindeer moss. All samples are field-collected and come in a 4 oz. labeled jar.

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

Hemolysis, the rupture of red blood cells, is induced by certain species of streptococcal bacteria that produce extracellular hemolysin.  Observe this phenomenon with this set of 3 non-pathogenic species

The culture supplied includes copepods in various stages of development.

Carassius auratus

Poecilia reticulata.

Mixed genera. Also known as scuds, amphipods are freshwater crustaceans.

Anodonta subobicularis.