LIST OF ILLUSTRATIONS. 



Fig. Page 



39. Cellular Forms of Crystalline Matter from a Solution of 



Ammonic Sulphate and Potassic Bichromate .. .. 60 



40. Globular Carbonate of Lime (Rainey) .. .. .. 62 



41. Globular Carbonate of Lime in later stages Formation of 



Calculi by ' Molecular Coalescence ' (Rainey) . . . . 63 



42. Different kinds of Starch-granules contrasted with Globular 



Carbonate of Lime (Rainey) .. .. .. .. 66 



43. Peculiar Forms assumed by Albuminoid Concretions from 



an old Infusion of Hay . . . . . . . . . . 69 



44. Different Forms assumed by Crystals of Ammoniaco- 



magnesian Phosphate (Beale) .. .. ... .. 114 



45. Evolution of a Primordial Speck of Living Matter through 



Torula-forms into Fungus-filaments (Pouchet) .. .. 115 



46. Bacteria growing into Vibriones, Leptothrix, and Spirillum 139 



47. Different Forms of Torulae (Turpin) .. .. .. 141 



48. Forms illustrating the Inter changeability of Torulae and 



Bacteria .. .. .. .. .. .. .. 142 



49. Development of Torulae found in Cider (Pouchet) .. 147 



50. Another Fungus found in Cider (Pouchet) .. .. 152 



51. Mode of Origin of Penicillium (Pineau) .. .. .. 195 



52. Origin of Monas lens (Pouchet) .. .. .. .. 197 



53. Development of Corpuscular Organisms from Pellicle . . 199 



54. Gradual enlargement of Corpuscular Organisms, and con- 



version of one of them into an Amoeba .. .. .. 201 



55. Mode of Origin of Germs of Fungi from portions of the 



Pellicle upon an Infusion of Hay .. .. .. 203 



56. Simplest Mode of Development of Monads and Fungi from 



the Pellicle 211 



57. Segmentation of Embryonal Areas into Monads .. .. 216 



