CHAPTER I.

MICROSCOPIC FORMS OF LIFE--THALLOPHYTES, PTERIDOPHYTA, PHANEROGAMÆ--STRUCTURE AND PROPERTIES OF THE CELL--PATHOGENIC FUNGI AND MOULDS--PARASITIC DISEASES OF PLANTS, MAN, AND ANIMALS--INDUSTRIAL USES OF FUNGI AND SACCHAROMYCETES--DESMIDIACEÆ AND DIATOMACEÆ--LICHENS, MOSSES, FERNS, FLOWERING PLANTS 353

SUB-KINGDOM PROTOZOA--RHIZOPODA--GROMIA AND FORAMINIFERA--INFUSORIA--CILIATA--ROTIFERA--PORIFERA--SPONGES 478

ZOOPHYTES--CŒLENTERATA--MEDUSÆ--CORALS--HYDROZOA--MOLLUSCA-- ANNULOSA--WORMS--ENTOZOA--ANNELIDA--CRUSTACEA 515

ARTHROPODA--INSECTA--ARACHNIDA--ACARINA--IXODIDÆ--MITES AND TICKS 583

VERTEBRATA--INTERNAL AND EXTERNAL STRUCTURES 633