CONTENTS OF VOL. I. 



PAGE 



INTRODUCTION. ...... 1 



CLASSIFICATION . . . . . . .34 



CLASS SARCODINA. SUB-CLASS RHIZOPODA . . 39 



ORDER I. AMCEBINA . . . . . .39 



FAMILY 1. LOBOSA ... .39 



GENUS 1. AM<EBA . . . . . .40 



2. DACTYLOSPH^RIUM . . .64 



3. MASTIGAMCEBA . . 69 



4. PELOMYXA . . . . .73 



5. LlTHAMCEBA . . . 81 



6. OURAMCEBA . . . . .83 

 FAMILY 2. RETICULOSA . . 85 



GENUS 7. GYMNOPHRYS . 86 



8. BIOMYXA . 88 



9. PENARDIA . . . . .89 

 10. CHLAMYDOMYXA . 91, 140 



FAMILY 3. VAMPYRELLIDA . . 94 



GENUS 11. YAMPYRELLA . . . . .95 



12. HYALODISCUS . . . 106 



13. NUCLEARIA . . . . 109 



14. ARCHERINA . . . . . 112 

 ORDER II. CONCHULINA ... . 115 



FAMILY 1. ARCELLIDA .... . 115 



GENUS 15. ARCELLA . . . 117, 138 



16. PSEUDOCHLAMYS . . . 129 



17. CENTROPYXIS . . . .131 

 INDEX OF SPECIES, ETC., DESCRIBED . 146 



