EXPLANATION OF THE PLATES. 

 I'l. I. 



Fig. 1. O/iliisaiir^i.'i kot'llihivi. 

 „ \a. „ „ nppev surface of lipad. 



,, 2fi. Lacrrtn 0('tf//<-/^*, upper snrfaco of head. 

 „ '21k 



PI IT. 



Fin;. 1. Lneerta orcllnta. 

 ,, :J. ,, miirali.'i. 



