Contents 



Page 



Abstract v 



Introduction 1 



Literature 1 



Materials and Methods 4 



The Collecting Localities 6 



The Amphipodan Fauna 9 



Geographic Relationships of Californian Amphipoda 24 



Acknowledgments 31 



Tables 32 



Appendix I (Appendix to Tables) 51 



Appendix II (Checklist of Californian Intertidal Amphipoda) 66 



Systematics 77 



Acanthonotozomatidae 77 



Panoploea (?) hedgpethi, new species 77 



Ampeliscidae 81 



Ampelisca lobata Holmes 81 



Ampelisca pugetica Stimpson 81 



Ampelisca schellenbergi Shoemaker 81 



Amphilochidae 82 



Amphilochus litoralis Stout 82 



Amphilochus neapolitanus Delia Valle 82 



Amphilochus picadurus J. L. Barnard 82 



Gitanopsis vilordes J. L. Barnard 83 



Ampithoidae 83 



Ampithoe humeralis Stimpson 83 



Ampithoe lacertosa Bate 83 



Ampithoe lindbergi Gurjanova 83 



Ampithoe cf. mea Gurjanova 84 



Ampithoe plumulosa Shoemaker 84 



Ampithoe pollex Kunkel 84 



Ampithoe simulans Alderman 85 



Ampithoe Itea J. L. Barnard 85 



Note on Ampithoe corallina Stout (1913) 85 



Cymadusa uncinata (Stout) 8o 



Pleonexes aptos, new species 86 



Anamixidae °9 



Anamixis linsleyi J. L. Barnard 89 



Aoridae 89 



Aoroides columbiae Walker 89 



Lembos concavus Stout 90 



Lembos ?macromanus (Shoemaker) 90 



Microdeutopus schmitti Shoemaker 91 



Neomegamphopus Shoemaker 91 



Neomegamphopus roosevelti Shoemaker 9- 



VII 



