PLATE VI. 



Figs. 1-5. ISCHNOSOMA SPINOSUM. 



Fig. 1. Male, from above. 



Fig. 2. Antennule. 



Fig. 3. Antenna. 



Fig. 4. One of the thoracic appendages. 



Fig. 5. Uropod. 



Figs. 6-7. ISCHNOSOMA BACILLUS. 



Fig. 6. Fragment of female example. The alimentary canal is indicated by its darl 

 granular contents. 



Fig. 7. One of the posterior thoracic appendages. 



FigS. 8-13. ISCHNOSOMA BACILLOIDE& 



Fig. 8. Fragment of male specimen. 



Fig. 9. Abdomen from beneath ; a, anal flaps. 



Fig. 10. One of the second pair of abdominal limbs, with long penial H lament. 



Fig. 1 1 . First pair of abdominal appendages. 



Fig. 12. Part of one of the third pair of abdominal limbs. 



Fig. 13. Uropod. 



