PLATE V. 



Pseudalibrotus Nanseni, G. 0. Sars, 

 (continued). 



Fig. 1. Posterior gnathopod with branchial lamella. 



— la. Extremity of same, more highly magnified. 



— 2. First pereiopod. 



— 3. Second pereiopod. 



— 4. Third pereiopod. 



— 5. Fourth pereiopod. 



— 6. Last pereiopod. 



— 7. Postero -lateral corner of last epimeral plate of metasome. 



— 8. Terminal segment of urosome, with last pair of uropoda and telson; 



dorsal view. 



— 9. First uropod. 



— 10. Second uropod. 



— 11. Last uropod. 



— 12. Telson. 



