Index 



Polynoidae, 301. 

 Pontonia, 38, 39. 



ealiforniensis, 38, 281, 312. 



margarita, 39. 

 Pontoniidae, 26, 37, 38.. 

 pools, tide, 49, 65, 69, 80, 109, 274, 



296. 

 PorceUana cinctipes, 179. 



rupicola, 179. ' 

 Porcellanidae, 109, 174. 

 Portunidae, 216, 236. 

 Portunus, 236, 237. 



xantusii, 237, 282, 283, 319. 

 Prawn, 46. 



prionota, Spirontocaris, 52. 

 prionota, hippolyte, 52. 



Spirontocaris, 50, 52, 282, 284, 313. 

 Pristopus verrilli, 159. 

 Processa, 81. 



eanaliculata, 81, 284, 285, 314, 382. 



processa, 81. ' 

 processa, Processa, 81. 

 Processidae, 80. 



productus, Cancer, 102, 217, 219, 220, 

 222, 231, 283, 293, 295, 296, 297, 

 319, 325, 327, 329, 331, 333, 335, 

 339, 352, 368. 



Epialtus, 201, 202, 283, 295, 296, 

 318, 333, 352. 

 Pseudograpsus nudus, 273. 



oregonensis, 274. 

 pubescens, Paehycheles, 175, 177, 282, 



284, 317, 424. 

 pugettensis, Gebia, 115. 



Upogebia, 10, 115, 283, 295, 315, 

 352. 

 Pugettia, 193, 205. 



dalli, 205, 208, 284, 318, 424. 

 gracilis, 205, 206, 282, 318, 424. 

 richii, 205, 206, 207, 208, 282, 318, 

 424. 

 Pylopagurus, 122, 128, 143. 

 discoidalis, 145. 

 holmesi, 10, 121, 130, 144, 145, 282, 



316. 

 minimus, 121, 125, 130, 144, 282, 

 293, 294, 316, 335, 390. 

 Pythina rugifera, 116. 

 quadrata, Munidopsis, 168, 170, 283, 



285, 317. 



quadrispina, Munida, 165, 282, 285, 



317. 

 quinqueseriatus, Calastacus, 111, 112, 



113, 315. 

 Eandallia, 11, 187. 



bulligera, 187, 189, 284, 318. 

 ornata, 10, 153, 187, 188, 189, 284, 

 293, 294, 318, 353. 

 Raphonotus lowei, 254. 



subquadratus, 253, 254. 

 rathbunae, Petrolisthes, 9, 179, 181, 

 281, 317, 422. 



rathbuni, Homola, 185. 

 Lithodes, 160. 

 Paralithodes, 160, 161, 317, 410, 412, 



416, 418. 

 Paromola, 185. 

 red crab, 222. 

 Eeptantia, 18, 104. 



resima, Crago, 83, 96, 97, 100, 284, 

 293, 294, 315, 335. . 

 Crangon, 96. 

 Khinolithodes, 147, 157. 



wosnessenskii, 158, 282, 317, 402. 

 wossnesensMi, 158. 

 Rhodia parvifrons, 215. 

 richii, Pugettia, 205, 206, 207, 208, 



282, 318, 424. 

 ritteri, Palaemon, 35, 284, 312. 

 rock-boring mollusk, 268. 

 rock crab, 225. 

 rostratus, Anasimus, 196. 

 rudis, Paehycheles, 175, 176, 283, 317, 



424. 

 rufescens, Haliotis, 79. 

 rugifera, Pythina, 116. 

 rugosa, Cycloxanthops, 240. 

 rugosus, Cycloxanthops, 239, 240, 281, 



319. 

 rupicola, PorceUana, 179. 

 samuelis, Pagurus, 129, 138, 139, 140, 

 141, 281, 284, 293, 295, 316, 352, 

 390. 

 sarrdburei, Dromidia, 183. - 

 Saxidomus, 259, 260. 

 Schizothaerus, 259, 260, 268. 

 schmitti, Pinnixa, 257, 264, 267, 282, 

 295, 297, 321, 325, 327, 339, 376, 

 442. 

 Scleroplax, 250, 267. 



granulata, 102, 267, 283, 293, 295, 

 321, 333, 446. 

 Scyllaridae, 105. 

 Scyllaridea, 105. 

 Scyra, 194, 213. 



acutifrons, 214, 282, 319. 

 sea cucumber, 261, 440. See also holo- 



thurian. 

 sea-urchins, 79, 80. 

 seaweed(s), 68, 187, 196, 211, 296. See 



also algae and corallines. 

 segnipes, Dromidia, 183. 

 Sergestes, 9, 19. 

 atlanticus, 19. 

 mollis, 20. 



similis, 19, 312, 382. 

 species indeterminable, 19, 20. 

 Sergestidae, 19, 106. 

 serrata, Parapasiphae, 31, 312. 

 setosus, Eupagurus, 136. 



Pagurus, 128, 133, 136, 137, 316. 

 shell(s), 187, 267, 297, 324, 326, 328, 

 330, 332, 334, 336, 338, 340. Sre 

 also mollusk (s). 

 shore crab, 271. 



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