xviii • ILLUSTRATIONS 



30. The association of mitochondria with the gastriole in Amoeba 



protens 123 



31. The association of the gastrioles and the digestive granules 



in Ichthyophthirms multifiUis 130 



32-35. Morphological variations in the segregation granules of 



Opalhia rcmarum 133 



36-37. Segregation granules in Trypanosomd diemyctylt . . . 134 



38. Stages in the resorption of a segregation granule in Amoeba 



proteus 136 



39. Dictyosomes from Haptophrya mkhiganensis I4l 



40. Dividing dictyosome in Lecudina brasili I4l 



41. Stages in the secretion of neutral fat by Ichthyophthirms 



mnltijiliis I4l 



42-45. Dictyosomes during the life cycle of Lecudina brasili . I4l 

 46-47. The effect of centrifuging upon the distribution of cyto- 

 plasmic granules l42 



48. Aggregation and disappearance of excretory granules dur- 

 ing pulsatory cycle of the contractile vacuole in Ichthy- 



ophthirius multifiliis 146 



49-50. Excretory granules and the contractile vacuole in Poly- 

 plastron multivesiculatum 146 



51. Excretory granules associated with the contractile vacuole 



in Dogielella sphaerii 146 



52. "Nephridialplasm" of Cam panel la umbellaria 146 



53-55. Excretory granules in living cihates 149 



56-64. Carbohydrate reserves in various Protozoa 156 



65. The association between glycogen and the parabasal body 



in Crypt obi a helicis 158 



G6. The formation and release of protein granules from the 



m2iCton\ic\eus oi Ichthyophthirius jnultifliis 164 



67-69. External secretion in Euglypha and Ichthyophthirius . l67 



70. Accessory bodies being formed from the neuromotor ring in 



Haptophrya michiganensis 179 



71. Pellicular pattern and longitudinal fibrils connecting basal 



granules in Paramecium 195 



72. Diagram of Gitter (lattice) with attached trichocysts and 



of the neuronemes connecting bases of the cilia . . . . 197 



