CONTENTS 



Systematic : — 



Nomenclature 



Page v 



Descriptions : — 



75. A. transformatus 



76. A. defossus 



77. A. regularis 



78. A. gagateus 



79. A. latescens 



80. A. pinguis 



81. A. braikenridgii 



82. A. retusus 



83. A. validus . . . 



Plate 



LXXV 



LXXVI 



LXXVII 



LXXVIII 



LXXIX 



LXXX 



LXXXI 



LXXXII 



LXXXIII 



cheltenham 

 norman, sawyer and co. ltd. 

 st. George's hall 



PRINTERS 



I 



