254 



CALIFORNIA ACADEMY OF SCIENCES. 



Petalocerus hellianus 122 



bicornis 123 



Petrolisthes 106 



cinctipes 107, 108 



eriomerus 108 



rupicolus 107, 108 



violaceus 106 



Philyra pisum 233 



Phyllodurus abdomiualis 158 



Pbyllolithodes , .113, 121 



bicornis 133 



papillosus 121, 133, 123 



Pilumnus 67 



spino-birsutus 67 



Pinnixa 88 



californiensis 90 



cylindrica 88 



faba 93, 94 



(Scleroplax) granulata 94: 



littoralis 89, 91 



longipes 93, 94 



occidentalis 89, 90 



tubicola 89, 91 



Pinnotheres 86 



faba 93 



nudus 86 



pngettensis 86 



Pinnotheridae. 74, 85 



Pinnotherinae 85 



Pisoides tumidus 35 



JPlatycarcinus productus 47 



recurvidens 49 



Platycorystes ambiguus 69 



cheiragonus 69 



"Platymera 98 



californiensis 99 



Gaudicbaudii 98, 99 



JPleuroncodes Ill 



monodon Ill, 112 



planipes 113 



Podocbela 17 



grossipes 17 



Hemphillii 17 



tenuipes 17 



Polycarpinea 169 



Porcellana cinctipes 107 



rupicola 107 



Porcellaninea 106 



Portuninea 70 



Portunus 70, 73 



panamensis 72, 73 



pelagicus 70 



Xantusii 71 



Pseudograpsus nudus 81 



oregonensis 82 



Pseudosquilla 319 



Cerisii 220 



Lessonii 330 



marmorata 220 



stylifera 330 



Pugettia 34: 



Dalli 36 



(Mimulus) foliata 23 



gracilis 24, 35 



Lordii 25 



quadridens var. gracilis 25 



Bicbii 34,26, 27 



Pythiua rugif era 158 



Bandallia 99 



buUigera 101 



ornata 100, 101 



SCHIZOPODA 8, 331 



Sclerocrangon 177 



boreas 177 



Scleroplax granulatus 94 



Scyra 31, 4:1 



acutif rons 4: 1 



sp. undet 41 



Senex interruptus 168 



Sharp-nosed crabs 16 



Siriella , 337 



pacifica 337 



Thompsonii 228 



Speocarcinus 77 



californiensis 77 



carolinensis 77, 78 



granulimauus 78 



Spider crabs 15, 16 



Spirontocaris 195, 306 



bispinosns 307 



brevirostris 198 



cristata 202 



groenlandica 336 



Herdmani 204 



lamellicornis 308, 235 



prionata 306 



spinus 206,335 



Squilla Cerisii 220 



Lessonii 220 



monoceros 220 



spinifrons 220 



Stomatopoda 8, 319 



Syncaris 811 



pacifica 212, 313, 238 



Trewi 212, 313, 215 



