CONTENTS 



Systematic : — 



Nomenclature 



Page ix 



Descriptions : — 



91. P. verticosum Plate 



92. A. obsoletus 



93. A. elegantulus 



94. A. sinuatus 



95. A. socialis 



96. A. aureolus . . ,, 



97. T. costatum 



XCI 



XCII 



XCIII 



XCIV 



xcv 



XCVI 

 XCVII 



And Plate LXXXI* 



CHELTENHAM 



NORMAN, SAWYER AND CO. LTD., PRINTERS 



ST. GEORGE'S HALL 



