TABLE OF CONTENTS 



Introduction 7 



Classification of the Tribe Cephalina with the Type Species 10 



Group of Tables Showing the Phylogenetic Relationships of Gregarines 16 



Table 1. Showing the Intermediate Position of the Two Families, Lecudinidae and 



Polyrhabdinidae 16 



Table 2. Showing Relationships of the Families of the Tribe Cephalina 16 



Table 3. Showing Relationships Between Genera in the Family Gregarinidae 17 



Table 4. Showing Relationships Between Genera in the Family Actinocephalidae 17 



Table 5. Showing Relationships Between Genera in the Family Acanthosporidae 19 



Table 6. Showing Relationships Between Genera in the Family Stylocephalidae 19 



Table 7. Showing Relationships Between Genera in the Family Dactylophoridae 20 



Synopses of the Gregarines from Various Groups of the Animal Kingdom 21 



List and Descriptions of Species Found in the Phylum Coelhelminthes 21 



Family Lecudinidae Kamm (Nov. fam.) 21 



Discussion of the New Family Lecudinidae 22 



Family Polyrhabdinidae Kamm 1922 .< 26 



Discussion of the New Family Polyrhabdinidae 26 



List and Descriptions of Species Found in the Phylum Mollusca 30 



List and Descriptions of Species Found in the Class Crustacea of the Phylum Arthro- 



poda 31 



Family Didymophyidae Leger 32 



Family Gregarinidae Labbe 1 1899 34 



Family Cephaloidophoridae Kamm 1922 36 



List and Descriptions of Species Found in the Class Acerata 49 



Family Actinocephalidae Le"ger 1892 49 



Family Acanthosporidae L6ger 1892 53 



List and Descriptions of Species Found in the Class Malacopoda 54 



List and Descriptions of Species Found in the Order Thysanura of the Class Hexapoda 54 



Family Gregarinidae Labbe 1899 54 



List and Descriptions of Species Found in the Order Isoptera 56 



Family Gregarinidae Labb 1899 56 



List and Descriptions of Species Found in the Order Hemiptera 57 



Family Actinocephalidae Lger 1892 57 



List and Descriptions of Species Found in the Order Neuroptera 59 



Family Gregarinidae Labb6 1899 60 



Family Actinocephalidae Lger 1892 62 



Family Acanthosporidae Leger 1892 70 



Family Menosporidae Leger 1892 71 



