xii CONTENTS 



CHAPTER VII. 



I'AGK 



The Sporozoa, Monocystis agilis and Monocystis magna ; 

 Structure ; Trophic and Reproductive phases of Life History; 

 Association ; Formation and Conjugation of Gametes ; 

 Zygotes ; Sporocysts ; Sporozoites ; Isogamy and Aniso- 

 gamy ; Parasitism ...... 161-171 



CHAPTER VIII. 



The Malarial Parasite, Plasmodium vivax. Malaria : its Cause 

 and Dissemination by the Anopheles Mosquito ; Characters 

 and Mouth Parts of Anopheles maculipennis ; Asexual Phase 

 (Schizogamy) of the Malarial Parasite in Human Blood ; 

 Sexual Phase of the Malarial Parasite in Anopheles ; 

 Hremosporidia . . . . . .172-186 



CHAPTER IX. 



The Flagellata, Euglena viridis ; Structure ; Nutrition ; Repro- 

 duction ; Mitosis ; Encystment. Copromonas subtilis ; 

 Structure ; Asexual and Sexual Reproduction ; Life History. 

 Polytoma uvella ; Structure; Nutrition; Reproduction . 187-205 



CHAPTER X. 



The Volvocinae. Pandorina morum, Eudorina elegans and Vol- 

 vox globator. Macrogametes and Microgametes ; Somatic 

 and Generative Cells ; Parthenogonidia ; Relationship of 

 the Flagellata . . .... 206-214 



CHAPTER XI. 



The Ciliata, Paramecium aurelia and caudatum. Structure, 

 Reproduction, and Conjugation of Paramecium. Rejuvena- 

 tion ; Alternation of Generations ; Immortality of Protozoa . 215-233 



CHAPTER XII. 



The Ciliata (continued] Vorticella monilata. Structure, Repro- 

 duction, and Conjugation of Vorticella. Sex foreshadowed 

 in Vorticella ....... 234-243 



CHAPTER XIII. 



Protozoa and Metazoa. Structure and Development of Zootham- 

 nium. Somatic and Germ Cells. Multicellular Organisms. 

 Evolution of Metazoa . 244-240 



