PLATE CVI. 



Spirontocaris spinus (p. 596). 

 Fie. 1. Rostrum, after Leach, var. a. 



2. Lateral view of animal, after Owen, var. (3. 



3. Lateral view of var. y. 



4. Lateral view of var. e. 



5. Ventral aspect of same, with saccular parasite attached. 



6. Ventral aspect of same, with Fhnjxus attached. 



7. Lateral view of var. £ ; ophthalmopoda removed. 



8. Rostrum of var. rj. 



9. Phryxus, female, ?, with male, i , attached. 

 10. Parasite from fig. 5 ; enlarged. 



