Volume two of this series is a comprehensive review of the current knowledge of microsporidian taxonomy. It is a supplement to volume one that deals with the biology of the microsporidia. Together, they provide the broadest possible coverage of this group of microorganisms that has received considerable attention because of their importance in invertebrate and vertebrate disease. Volume two contains the most complete published list of micro sporidian species, outlines their classification and phylogeny, and provides a zoological distribution. The driving force in compiling all of this...