Prot . 1 
XVIII. PROTOZOA. 
BY 
H. M. Woodcock, D.Sc. (Lond.). 
CONTENTS. 
Page 
Introduction . 3 
I. Titles 6 
II. Biology 
a. Morphology 28 
1. General anatomy ....... 28 
2. Minute structure of cell-organs, special points . 29 
B. Physiology ......... 30 
1. Nutrition, excretion, etc 30 
2. Locomotion 30 
3. Response to stimuli 31 
c. Bionomics 31 
1. Plankton 31 
2. Parasitism : effects on host ; relation to disease . 32 
d. Reproduction . 34 
1. Asexual 35 
2. Sexual 35 
3. Nuclear division ; directive-centres, etc. . . 35 
E. Development ; iife-cycle 36 
f. Group relationships ; classificatory changes ... 37 
G. Miscellanea 37 
1. Cultivation and infection . . . . 37 
2. Technique . ‘ 38 
3. Bibliography, etc 38 
III. Distribution. 
a. Geographical 38 
B. Geological 39 
c. Parasitic (including commensalism) .... 40 
