30 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL.27 



Plate 4 



Figure 1. Ilyarachna profunda, new species. 2. Mandible. 3. Maxil- 

 liped. 4. Second Maxilla. 5. First Maxilla. 6. First Peraeopod. 7. First 

 Antenna. 8. Second Male Pleopod (with copulatory organ). 9. First 

 Male Pleopods (posterior tip). 



