CONTENTS IX 



Systematics — Continued 



Gammaridae — Continued Page 



Melita deniata (Kr0yer) 126 



Melita sulca (Stout) 126 



Netamelita cortada J. L. Barnard 130 



Hyalidae 130 



Allorchestes anceps, new species 130 



Hyale grandicornis californica, new subspecies 133 



Hyale plumulosa (Stimpson) 138 



Hyale rubra rubra (Thomson) 138 



Hyale rubra frequens (Stout), new combination 139 



Najna Iconsiliorum Derzhavin 141 



Par allorchestes ochotensis (Brandt) 141 



Isaeidae (=Photidae) 141 



Cheiriphotis megacheles (Giles) 141 



Chevalia aviculae Walker 142 



Eurystheus mamolus (J. L. Barnard), new combination 142 



Eurystheus spinosus Shoemaker 142 



Eurystheus thompsoni (Walker) 146 



Megamphopus effrenus J. L. Barnard 146 



Megamphopus martesia J. L. Barnard 147 



Photis bifurcata J. L. Barnard 148 



Phoiis brevipes Shoemaker 148 



Photis californica Stout 151 



Photis conchicola Alderman 151 



Photis elephantis J. L. Barnard 151 



Photis sp 151 



Ischyroceridae 152 



Ischyrocerus anguipes (Kr0yer) 152 



Ischyrocerus species A and B 152 



Jassa falcata (Montagu) 155 



The Genera Microjassa Stebbing and Parajassa Stebbing 159 



Microjassa claustris, new species 160 



Microjassa litotes J. L. Barnard 163 



Parajassa angularis Shoemaker 164 



Leucothoidae 164 



Leucothoe alata J. L. Barnard 164 



Leucothoides pacifica J. L. Barnard 165 



Liljeborgiidae 165 



Liljeborgia geminata, new species 165 



Lysianassidae 169 



Fresnillo, new genus 169 



Fresnillo fimbriatus, new species 170 



Lepidepecreum Igurjanovae Hurley 173 



"Lysianassa" Milne Edwards, provisional synonymy 175 



Key to Genera Related to Lysianassa plumosa 182 



Key to Californian Species of Lysianassa 186 



Lysianassa dissimilis (Stout), new combination 186 



Lysianassa macromerus (Shoemaker), new combination 187 



Lysianassa pariter, new species 190 



Ocosingo borlus J. L. Barnard 191 



Orchomene magdalenensis (Shoemaker) 194 



Orchomene pacifica (Gurjanova) 195 



