LIST OF ILLUSTRATIONS xi 



FIG. PAGE 



77. " Vaso-formative cell " 72 



78. Nucleated red cells from the blood of a frog . Plate, facing 74 



79. Nucleated red blood cells from the marrow of a human rib. Plate, 



facing 74 



80. Group of cells from normal human blood . . Plate, facing 74 



81. Leucocytes in mitosis . . . . . . . . .76 



82. Group of platelets from the human blood ..... 80 



83. Fibrils of fibrin 82 



84. Hemoglobin crystals ......... 83 



85. Hemin crystals 83 



86. A small artery . . . . . . . . .85 



87. External carotid artery of a child 86 



88. Transection of the wall of a child's aorta . . . ^ . .87 



89. Transection of the coeliac axis of man . . . ... .88 



90. Group of small blood vessels . . . . . .89 



91. Capillary network connecting an arteriole and venule of the 



omentum . . . . . . . .... 90 



92. Capillary vessel of frog's mesentery . . . . ; .91 



93. " Sinusoids " . .... 92 



94. Precapillary arteriole and venule . . 93 



95. Transection of the human vena cava . . . . . . 94 



96. Transection of an arteriole and venule . . . ... 96 



97. Parietal pericardium of a child . . . ... .98 



98. The human endocardium . . . . . ... 98 



99. Radial sections of the human mitral valve . . . - . . 99 



100. Diagram of a neurone ......... 104 



101. Unipolar ganglion of a frog ........ 105 



102. Isolated nerve cells from the human spinal cord . . . . 105 



103. Arkyochrome nerve cell . . 106 



104. Stichochrome nerve cell . . . . . . . . 107 



105. Apyknomorphous stichochrome nerve cell 108 



106. A nerve cell of Purkinje, arkyostichochrome variety . . . 108 



107. Arkyochrome, caryochrome, and cytochrome nerve cells of the 



cerebellar cortex . . . . . . . 109 



108. A nerve cell .110 



109. Intracellular network Ill 



110. Golgi cell, type I 112 



111. Golgi cell, type II . . . 113 



112. Nerve fibres in transection . . . . . . .115 



113. Nerve fibres, in longitudinal and transverse section . .116 



114. Transection of the sciatic nerve . . . . . . .118 



115. Portion of human Gasserian ganglion ...... 120 



116. Nerve cell of the Gasserian ganglion of man .... 121 



117. Schematic representation of a spinal ganglion .... 121 



118. Nerve endings in the epithelium of the larynx .... 123 



119. Tactile cells in epithelium ..124 



120. Schematic representation of a taste bud 125 





