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 CHAPTER II. SUB-KINGDOM PROTOZOA--RHIZOPODA--GROMIA AND FORAMINIFERA--INFUSORIA--CILIATA--ROTIFERA--PORIFERA--SPONGES 478 CHAPTER III. ZOOPHYTES--CŒLENTERATA--MEDUSÆ--CORALS--HYDROZOA--MOLLUSCA-- ANNULOSA--WORMS--ENTOZOA--ANNELIDA--CRUSTACEA 515 CHAPTER IV. ARTHROPODA--INSECTA--ARACHNIDA--ACARINA--IXODIDÆ--MITES AND TICKS 583 CHAPTER V. VERTEBRATA--INTERNAL AND EXTERNAL STRUCTURES 633 CHAPTER VI. THE MINERAL AND GEOLOGICAL KINGDOMS 670 APPENDIX. DR. MERCER ON ILLUMINATION, AND ABBÉ’S THEORY--MICRO-SPECTROSCOPE--FORMULÆ, METHODS, CEMENTING, CLEARING, HARDENING, AND MOUNTING--TABLES, METRIC AND THERMOMETRIC 672 INDEX 691 DESCRIPTION OF PLATES, COLOURED AND PLAIN. FRONTISPIECE. RADIOLARIA. In this Plate _Fig._ 1 shows the elegant lattice-sphere of Rhizosphæra; _Fig._ 2 represents Sphærozoum, whose skeleton consists of loose spicules, arranged tangentially; Actinomma, _Fig._ 3, possesses three concentric lattice-spheres, joined by radiating spines; _Figs._ 4, 5, and 6, represent Lithomespilus, Ommatocampe, and Carpocanium; _Fig._ 7 represents a deep-sea form (Challengeria), whose oval case is formed of a regular, very fine-meshed, network; _Fig._ 8 depicts the elegant lattice-sphere of Heliosphæra; _Figs._ 9 and 10, Clathrocyclas and Dictyophimus. PLATE I.--_Page_ 400. PROTOPHYTA. THALLOPHYTES.