VI 
CONTENTS 
LECTURE TY. 
PAGE 
SILICA ........ 49 
LECTURE Y. 
SCLEROGEN . . . . . . .61 
PHYTOZOA . . . . . . .70 
LECTURE YL 
EIBRO-CELLULAR TISSUE . . . . . .75 
DOTTED OR POROUS TISSUE . . . . .78 
WOODY TISSUES . . . . . . .87 
LECTURE YII. 
VASCULAR TISSUE. — SPIRAL VESSELS . . . .93 
SCALARIEORM VESSELS ...... 10 ] 
POROUS OR DOTTED DUCTS ..... 105 
LECTURE IX. 
CONCLUSION OF VEGETABLE TISSUES .... 109 
HISTOLOGY OF ANIMALS. 
LECTURE X. 
ANIMAL TISSUES ...... 115 
MEMBRANE ....... 117 
120 
FIBROUS TISSUE 
