EXPLANATION OF PLATE LXV. 



Xototodarus gouldi. 



Fig. 1. — Apica.l portion of funnel groove of large 9 [548], 

 showing foveola. 



Fig. 2. — Oral aspect of ventral arms of adult (f [549], 

 showing hectocotylization. 



Fig. 3. — lOth-loth pairs of the tnbercle-sucker-})a})illa series 

 of right ventral arm of same specimen, seen in greater 

 magnification, oral aspect. 



J'ig. 4. — Lateral aspect of same region of same arm, showing 

 units 9-17 of the dorsal series of suckers and papillse ; 

 same scale. 



Fig. 5. — Outer aspect of units 18-21 of ventral row of same 

 arm ; same scale. 



Fig. 6. — Outer aspect of tubercles 3-4 of ventral row on basal 

 portion of same arm ; same scale. 



