254 



CALIFORNIA ACADEMY OF SCIENCES. 



Petalocerus bellianus 122 



bicornis 123 



Petrolisthes 106 



ctnotipes 107, 108 



eriomerus 108 



ritpicolus 107, 108 



violaceus 106 



Philyrapisum 233 



Phyllodurus abdomlnalis 158 



Phyllolithodes 113, 121 



bicornis 123 



papillosus 121, 122, 123 



Pilumnus 67 



spino-hirsutus 67 



Pinnixa 88 



californiensis 9O 



cylindrlca 88 



faba 98, 94 



(Scleroplax) granulata 94: 



littoralis 89, 91 



longipes 92, 94 



occidentalis 89, 90 



tubicola 89, 91 



Pinnotheres 86 



faba 93 



nudus 86 



pugettengig 86 



Pinnotheridae 74, 85 



Pinnotherinse 85 



Pisoides tumidus 35 



Platycarcinus productus 47 



recurvidens 49 



Platycorystes ambiguus 69 



cheiragonus 69 



Platymera 98 



californitnxis 99 



Gaudichaudii 98, 99 



Pleuroncodes Ill 



monodon Ill, 112 



planipes 112 



Podochela 17 



grossipes 17 



Hempbillii 17 



tenuipes 17 



Polycarpinea 169 



Porcellana cinctipes 107 



rupicola 107 



Porcellaninea 106 



Portuninea 7O 



Portunus 70, 73 



panaruensis 72, 73 



pelagicus 70 



Xantusii 71 



Pseudoyrapius nudus 81 



oregonmtig 82 



Pseudosquilla 219 



Cerisii 220 



Lessonii 220 



marmorata 220 



stylifera 22O 



Pugettia 24 



Dalli 26 



(Stimulus) foliata 23 



gracilis 24, 25 



Lordii 25 



quadridenx var. gracilis 25 



Kichii 24,26, 27 



Pythina rugif era 168 



RANDALLIA 99 



bwlligera 101 



ornata 10O, 101 



SCHIZOPODA 8, 221 



Sclerocrangon 177 



boreas 177 



Scleroplax granulatus 94 



Scyra 31, 41 



acutifrons 41 



sp. undet 41 



Senex interruptus 168 



Sharp-nosed crabs 16 



Siriella 227 



paclflca 227 



Thorn psonii 228 



Speocarcinus 77 



californiensis 77 



carolinensis 77, 78 



granulimauus 78 



Spider crabs 15, 16 



Spirontocaris 195, 206 



hispi iiosus 207 



brevirostris 198 



cristata 202 



gruenlanclica 236 



Herdmani 204 



lamellicornis 2O8, 236 



prlonata 2O6 



spinus 206,235 



Squilla Cerisii 220 



Lessonii 220 



monoceros 220 



spini/rons 220 



Stomatopoda 8, 219 



Syncaris 211 



paclflca 212, 213, 238 



Trewi 212, 213, 215 



