PLATE LXI 



SSE?r~':;':"^S!i?:^SSIt!55! 



65 



70 



56 



1 f' 



■&^v 



FIG. 66. 



l-'iC.;.67, 



FIG.68. 



■"^i^. 



-\: 



N. 



lb 



FIG. 69. 



FIG. 70. 



FIG.71. 



FIG. 72. 



, .1 



FIG. 73. 



