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 



Ideal cross section of a female Gammarid 30 



Hyperia galba (Montague) 46 



Lysianopsis alba Holmes 53 



Tmetonyx quadratus sp. nov 56 



Orchomenella pinguis (Boeck), habitus figure 



after Sars 59 



Ampelisca macrocephala Lilljeborg, after Sars 62 



Ampelisca spinipes Boeck, after Sars 64 



Byblis serrata Smith 68 



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



Phoxocephalus hplboUi (Kroyer), after Sars. . . 74 



Paraphoxus spinosus Holmes yy 



Stenothoe cypris Holmes 79 



Stenothoe minuta Holmies 81 



Sympleustes glaber (Boeck), after Sars 85 



Calliopius teviusculus (Kroyer), habitus figure 



after Sars 87 



Batea secunda Holmes 89 



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



Eucrangonyx gracilis (Smith) 94 



Crangonyx tenuis Smith 96 



Melita nitida Smith 99 



Melita dentata (Kroyer), after Sars loi 



Elasmopus levis ( Smith) 104 



Dikerogammarus fasciatus (Say) 106 



Gammarus locusta (Linnaeus), habitus figure 



after Sars 108 



Gammarus annulatus Smith no 



Gammarus marinus Leach, after Sars 112 



255 



