XVIU 



LIST OF /'/CL'KF.S 



PAGE 



34- 

 37- 



40. 

 41. 



42. 



4.>- 

 44. 



45- 

 46. 



47- 

 48. 

 49. 

 50. 



5'- 



52- 



54- 

 55- 

 56. 



Mitosis ill /■'ry.ii/'/ic- 



Mitosis in pollen-muther-cells of lily, ac 



Mitosis in sjiore-cells of Ju/uisr/u'/i 



lIctcrotyiMcal mitosis 



Mitosis in Infusoria 



Mitosis in Fmily/'/ia 



Mitosis in Fitj^/cini 



Mitosis in Aduithocystis 



Mitosis in Noctiluca 



Mitosis in Piiriiiinrl'd 



Mitosis in Aclinosplucrimn . 



Mitosis in Actinosphirritim . 



Pathological mitoses in cancer-cells 



Pathological mitosis caused by poisons 



Van Beneden's account of astral systems 



Leucocytes 



Pigment-cells . . . • 



Heidenhain's model of mitosis 

 Mitosis in the egg of Toxopneustes 

 Pathological mitoses in polyspermy 

 Nuclei in the spireme-stage . 

 Early division of chromatin in Ascaris 

 Amitotic division .... 



ording to tJuignard 



in Asian's 



CHAPTER III 



57. Volvox ...... 



58. Ovum of Toxopneustes . 



59. Ovum of the cat .... 



60. Ovum of Nereis .... 



61. Germinal vesicles of C^nio and Epeira 



62. Insect-egg ..... 



63. Micropyle in Argonattta 



64. Germ-cells of Volvox 



65. Diagram of the flagellate spermatozoon 



66. Spermatozoa of fishes and amphibia 



67. Spermatozoa of birds and other animals 



68. Spermatozoa of mammals 



69. Unusual forms of spermatozoa 



70. Spermatozoids of Chara 



71. Spermatozoids of various plants 



72. Germ-cells of Cladonema 



73. Primordial germ-cells of Ascaris . 



74. Primordial germ-cells of Cyclops . 



75. Ovarian ova and follicles of Helix 



76. Egg and nurse-cells in Ophryotrocha 



77. Ovarian eggs of insects . 



78. Young ovarian eggs of various animals 



79. Young ovarian eggs of birds and mammals 



80. Ovarian eggs of spider, earthworm, ascidian, showing yolk-nucleus 



