CONTENTS 



Part V 



Descriptions : — 



38. A. sulcatus Plate 



XXXVIII 



39. A. scoresbyi . . 



40. A. acuticarinatus 



41. A. compactilis 



42. P. whitbiense 



43. A. lectus 



44. A. miles 



XXXIXa,b,c 



XL 



XLIa,b 



XLII 



XLIII 



XLIV 



CHELTENHAM 

 NORMAN, SAWYER AND CO. LTD., PRINTERS 



ST. George's hall 



