i 



LIST OF PLATES. 



In all the plates the same letters bear the same homological relatitm, which has been 



explained in pages 3 & 4. 



Plate 1. 

 Gammaruslocusta Lin. (as typeofan Amphipod). 



Plate 2. 

 Hyperia galba, (Mont.) 9. 



Plate 3. 

 1. Hyperia galba, (Mont.) c?. 

 2 Hyperia medusarum, (Miill.) 9. 



Plate 4. 

 Hyperorhetauriformis, (Sp. Bate) (see Appendix). 



Plate 5. 



1. Paralhemisto oblivia, (Kr0yer). 



2. Enthemisto compressa, (Goes). 



Plate 6. 



1. Kutheniisto libellula, (Mandt.). 



2. Enthemisto crassicornis (Kr0yer) (see Ajj- 

 pendix) 



Plate 7. 

 Trypha^na Malmi, (Boeck). 



Plate 8. 

 iScina borealis, G. 0. Sars. 



Plate 9. 

 'I'alitruH locusta, (Pallas). 



Plate 10. 

 Orchestia littorea (Mont.). 



Plate Jl. 



1. Hyale Nilssoni, (Rathke). 



2. Hyale lubbonkiana, (Sp. Bate). 



Plato 12. 

 'J'risehi/ofsloina Rasehi, Boeck. 



Plate 13. 



1. Normanion quadrimanus, (Sp. Bate) (see 

 Appendix). 



2. Cheirimcdcn latimanns, G. O. Sars. 



Plate 14. 



1. Opisa Esehrichti, (Krayer). 



2. Acidostonia obesum, (Sp. Bate). 



Plate 15. . 

 Ii;hnopus spinicornis, Boeck. 



• Plate 16. 



1. Lysianax Costfe, (M.-Ed-\v.) (see Appendix). 



2. Socarnes Vahli, (Kroyer). 



Plate 17.' 



1. Ambasia Danielsseui, Boeck. 



2. Aristias neglectus, Hansen (see Ap]iendix). 



Plate 18. 



1. Aristias tumidus, (Kroyer). 



2. Lysianella petalooera, G. 0. Sars. 



Plate 19. 



1. Callisoma crenata, Sp. Bate. 



2. Callisoma Kroycri, (Bruzel.). 



Plate 20. 

 Hippomedon denticulatus, (Sj). Bate). 



Plate 21. 



1. Hippomedon projiimpuis, G. 0. Snr.^ 



2. Hippomedon MoH'olli, (KroyerV 



I 'late 22. 

 Oi'chomeno Bntei, G. 0. Sars. 



