LIST OF FIGURES 



Page. 

 Fig. I. Details of head and mouth parts in situ of 



Orchestia agilis 19 



Fig. 2. Internal anatomy of an ideal Gammarid, after 



Stebbing 27 



Fig. 3. Ideal cross section of a female Gammarid 30 



Fig. 4. Hyperia galba (Montague) 46 



Fig. 5. Lysianopsis alba Holmes 53 



Fig. 6. Tmetonyx quadratus sp. nov 56 



Fig. 7. Orchomenella pinguis (Boeck), habitus figure 



after Sars 59 



Fig. 8. Ampelisca macrocephala Lilljeborg, after Sars 62 



Fig. 9. Ampelisca spinipes Boeck, after Sars 64 



Fig. 10. Byblis serrata Smith 68 



Fig. II. Haustorius arenarius (Slabber), after Sars.... 71 



Fig. 12. Phoxocephalus holbolli (Kroyer), after Sars. . . 74 



Fig. 13. Parapho'xus spinosus Holmes 'jy 



Fig. 14. Stenothoe cypris Holmes 79 



Fig. 15. Stenothoe minuta Holmes 81 



Fig. 16. Sympleustes glaber (Boeck), after Sars 85 



Fig. 17. Calliopius Iseviusculus (Kroyer), habitus figure 



after Sars 87 



Fig. 18. Batea secunda Holmes , 89 



Fig. 19. Pontogeneia inermis (Kroyer), after Sars.... 92 



Fig. 20. Eucrangonyx gracilis (Smith) 94 



Fig. 21. Crangonyx tenuis Smith 96 



Fig. 22. Melita nitida Smith 99 



Fig. 23. Melita dentata (Kroyer), after Sars loi 



Fig. 24. Elasmopus levis (Smith) 104 



Fig. 25. Dikerogammarus fasciatus (Say) 106 



Fig. 26. Gammarus locusta (Linnaeus), habitus figure 



after Sars 108 



Fig. 27. Gammarus annulatus Smith no 



Fig. 28. Gammarus m^arinus Leach, after Sars 112 



255 



