448 TRANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



Moelfre Bay, Anglesea, tidal pools, Aug., '89 (F.A.); 

 Holyhead harbour, 12/9/89 ; Port Erin Harbour. Length 

 11 mm. 



Explanation of Plates. 



Plate XVIII. 



Figs. 1 — 11. Nannonyx spinimanus, n.sp. 

 Fig. 1. Head. 

 Fis. 2. First Maxilla. 



'to' 



Fig. 3. Second Maxilla. 



'!d 



Fig. 4. Mandible. 



& 



Fig. 5. Maxillipedes. 



Fig. 6. First gnathopod of male. 



Fig. 6a. (on PL XIX.) Dactyliis enlarged. 



Fig. 7. First gnathopod of female. 



Fig. 8. Fourth pleon segment with hind margin of third. 



Fig. 9. Telson. 



Fig. 10. Side view of telson and third uropods of male. 



Fig. 11. Second and third uropods of female. 



Fig. 12. Amphilochtis uielanojjs, n.sp., Head. 



Plate XIX. 



Fig. 13. Ampliilochus melanops, n.sp., first gnathopod. 

 Fig. 14. ,, second gnathopod. 



Fig. 15. ,, Telson and uropods. 



Fig. 16. PJiotis poUex, n.sp., first gnathopod. 

 Fig. 17. ,, second gnathopod. 



Fig. 18. ,, third pleon segment. 



Fig. 19. ,, Telson and third uropods. 



Fig. 20. Podoccrus falcatus (Mont.), flagellam of upper 



antenna. 

 Fig. 21. Podocerus variegatus, Leach, ilagellum of upper 



antenna. 



