CONTENTS 



FOREWORD 7 



ANATOMIC MATERIAL USED 11 



METHOD USED IN OBTAINING AND PREPARING SPECIMENS 15 



EMBRYOLOGIC CONSIDERATIONS 19 



THE CELLULE ETHMOID ALES 44 



CELLULE ETHMOID ALES ANTERIOR 46 



CELLULE ETHMOIDALES POSTERIOR 77 



CELLULES CONCHALES 78 



THE SINUS MAXILLARIS 79 



THE SINUS FRONTALIS 132 



SUPERNUMERARY SINUS FRONTALES 146 



THE FORM AND BOUNDARIES OF THE SINUS FRONTALIS 157 



THE SINUS SPHENOIDALIS 160 



BIBLIOGRAPHY. . 166 



INDEX 171 



