This monograph is the first detailed description of the various tradigrade species (water bears) on the island of Newfoundland, Canada. It contains information on some twenty six named species of tardihgrades in terrestrial lichens and mosses on the island, in addition to two presently unidentified species. The twenty six named species include three species of heterotardigrades and twenty three species of eutardigrades. This account contains detailed information on each species, together with maps showing their distribution across the island. Comments are included on the...