PLATE IX. 



Zaphrentis Stokesi, Milne-Edwards and Haime (page 120). 



Figure 1. Side view of a specimen from Lake Temiscaming, < £ue. 



Figure la. Longitudinal section of the same. 



Figure 2. Transverse section of a smaller specimen from the same locality. 



Zaphrentis gigantea, Lesueur (page 125). 



Figure 3. Longitudinal section of a specimen from near Woodstock, Ont. 

 Figure 3a. Transverse section of the sane. 



Am plexus Yandelli, Milne-Edwards and Haime (page 130). 



Figure 4. Side view of a specimen from near Woodstock, Ont. 

 Figure 4a. Longitudinal section of the same. 

 Figure 46. Transverse section of the same. 



Amplexus exilis, Billings (page 131). 



Figure 5. Side view of the type specimen ; one-half the natural size. 



Figure 5a. Xatural longitudinal section of the same ; one-half the natural size. 



Figure oh. Transverse section of the same ; one-half the natural size. 



