CONTENTS. 



Pack 



Preface iii 



I. Habits and Faculties 1 



IT. Geographical Distribution 17 



III. Jaw and Lingual Membrane 41 



IV. Special Anatomy 53 



V, Classification 76 



YI. Systematic Index 77 



Vn. Descriptions 80 



Vin. Supplement . . . . • 432 



IX. Index 433 



X. Explanation of Plates of Vol. Ill 441 



XI. Explanation of Plates of Vol. V. . . 445 



