TABLE OF CONTENTS. 



CHAPTER I. 

 PHYLUM PROTOZOA . 



Class I. GYMNOMYXA 



(SARCODINA) 



Sub-class 1. RHIZOPOPA 

 Order 1. Amoeboidea . 

 ,, 2. Testacea 



Sub-class 2. MYCETOZOA 

 ., 3. HELIOZOA . 

 ,, 4. RADIOLAKIA 



Class II. INFUSORIA . 



Sub-class 1. MASTIGOPHOKA . 

 Order 1. Flagellata 

 Sub-order 1. Monadina 



,, '2. Euglenoidea . 



PAOE 

 1 



3 



6 



11 

 11 

 15 

 18 

 20 



24 

 27 



27 

 30 

 30 



,, 3. Hcteromastigoda 31 



,, 4. Isomastigoda . 31 



,, 5. Pliytomastigodu 32 



Order 2. Choanoflagellata . 32 



,, 3. Dinoflagellata . 33 



,, 4. Silicoflagellata . 35 



,, 5. Cystoflagellata . 35 



Sub-class 2. CILIATA . . 37 



Order 1. Gymnostomata . 45 



,, 2. Trichostomata . 46 



Sub-order 1. Aspirotricha . 46 



,, 2. Spirotricha . 48 



". Heterotricha . 48 



'). Oligotricha . 4t 



c. Hypotricha . 4!> 



(7. Peritricha . 60 



Sub-class 3. ACINETARIA . 51 



Class III. SPOROZOA . . 54 

 Order 1. Gregarinida . . f,6 



('HAFTER I. PROTOZOA contd. 



PAGK 



Sub-order 1. Monocystidca . 59 



,, 2. Polycystidca . 59 



Order 2. Coccidiidea . . 59 



,, 3. Haemosporidia . 61 



Sub-order 1. Drepanidiidia 61 



,, 2. Acystosporidia 62 



Order 4. Myxosporidia. . 64 



. , 5. Sarcosporidia . . 68 



CHAPTER II. 



THE METAZOA . . 70 



CHAPTER III. 



PHYLUM POEIFERA . . 72 



Class I. CALCAREA . . s;i 



Order 1. Calcarea . . 89 



Sub-order 1. Homococla . 89 



,, 2. Heterococla . 90 



Class II. TRIAXONIA . . 90 



Order 1. Hexactinellida . 90 



Sub-order 1. Lyssacinci . 92 



,, 2. Dictijoiiimt . 93 



Order 2. Hexaceratina. . 93 



Class III. DEMOSPONGIAE . 93 



Order 1. Tetractinellida . 93 



Sub-order 1. Choristida . 93 



,, 2. Lithial/tlti . 94 



Order 2. Carnosa . . 95 



,, 3. Monaxonida . . 95 



Sub-order 1. Halichondrina 95 



,, 2. Spinfharophora 97 



Order 4. Ceratina 



97 



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