Plate LXXII. 

 Figs. 

 1-10. Argulus foliaceus (Linn.), ? . ( p . 227 ) 



2* Antenna d ° rSal ^^ enlar ^ ed about 6 ^ tim ^ 



3. Antennule. 



4. Mouth, side view. 



5. Siphon with retractile stylet. 



6. Second maxilliped. 



7. First swimming foot. 



8. Basiopodite of second foot. 



9. Basiopodite of third foot. 

 10. Basiopodite of fourth foot. 



(Figures 2-10 much enlarged.) 



