— 157 — 



Fig. 64. Detail of cephalic extremity. 

 Fig. 65. Caudal extremity of female. 



T A B L E IX. 



Fig. 66. Physaloptera britanica n. sp. Anterior portion of body. 

 Fig. 67. Cephalic extremity of same species. 

 Fig. 68. View of lips of the parasite from anterior surface. 

 Fig. 69. Tail of female. 



Fig. 70. Diplotriaena sokolowi n. sp. Cephalic extremity of female. 

 Fig. 71. Caudal extremity of female. 

 Fig. 72. Caudal extremity of male from^ ventral surface. 

 Fig. 73. Caudal extremity of male. Side view. 

 Fig. 74. Chitinous trident of male of the same species. 

 Fig. 75. Angiostomum chamaeleonis n. sp. Cephalic extremity of the 

 parasite. 



Fig. 76. Caudal extremity of the parasite. 



T A B L E X. 



Fig. 77. Kululiima stylosa (Linst. 1907). Cephalic extremity of male 

 with oesophagus, lateral aiae, neck papillae and excretory pore. On the 

 right is the excretory pore highly magnified in the form of a knobbed 

 formation radially striated. 



Fig. 78. Cephalic end of the parasite with the lips and papillae. 



Fig. 79. Caudal extremity of female with genital (anterior) and anal 

 (posterior) apertures. 



Fig. 80. Caudal bursa of male with lobes and ribs. 



Fig. 81. Spiculum of male with spiral posterior end. 



Fig. 82. Details of posterior end of spiculum with asymmetrically ar- 

 ranged alae. 



