LIST OF PLATES. 



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



explained in pages 3 & 4. 



Plate 1. 

 Gammaruslocusta Liu. (as typeof an Amphipod). 



Plate 2. 

 Hyperia galba, (Mont.) Q. 



Plate 3. 



1. Hyperia galba, (Mont.) cf. 

 2 Hyperia medusarurn, (Mull.) 9. 



Plate 4. 

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



Plate 6. 



1. Parathemisto oblivia, (Kroyer). 



2. Euthemisto compressa, (Goes). 



Plate 6. 



1. Euthemisto libellula, (Mandt). 



2. Euthemisto crassicornis (Kr0yer) (see Ap- 

 pendix) 



Plate 7. 

 Tryphaena Malmi, (Boeck). 



Plate 8. 

 Scina borealis, G. O. Sars. 



Plate 9. 



Talitrus locusta, (Pallas). 



Plate 10. 

 Orchestia littorea (Mont.). 



Plate 11. 



1. Hyale Nilssoni, (Rathke). 



2. Hyale lubbockiana, (Sp. Bate). 



Plate 12. 

 Trischizostoma Raschi, Boeck. 



Plate 13. 



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

 Appendix). 



2. Cheirirnedon latimanus, G. 0. Sars. 



Plate 14. 



1. Opisa Eschrichti, (Kr0yer). 



2. Acidostoma obesum, (Sp. Bate). 



Plate 15. 

 Ichnopus spinicornis, Boeck. 



Plate 16. 



1. Lysianax Costse, (M.-Edw.) (see Appendix). 



2. Socarnes Vahli, (Kroyer). 



Plate 17. 



1. Ambasia Danielsseui, Boeck. 



2. Aristias neglectus, Hansen (see Appendix). 



Plate 18. 



1. Aristias tumidus, (Kr0yer). 



2. Lysianella petalocera, G. O. Sars. 



Plate 19. 



1. Callisoma crenata, Sp. Bate. 



2. Callisoma Kroyeri, (Bruzel.). 



Plate 20. 

 Hippomedon denticulatus, (Sp. Bate). 



Plate 21. 



1. Hippomedon propinquus, G. O. Sars. 



2. Hippomedon Hoi belli, (Kr0yer). 



Plate 22. 

 Orchomene Batei, G. O. Sars. 



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