488 
Pugettia, 241, 285. 
P. gracilis, 241, 285. 
Pulmonata, 300, 331, 338, 349. 
Punctaria, 62, 65. 
P. latifolia, 62, 65. 
P. plantaginea, 62, 66. 
P. tenuissima, 62, 66. 
Purpura, 8, 9, 309, 312, 326, 
386, 387. 
P. crispata, 326, 387. 
P. hemastoma, 326, 387. 
P. lapillus, 41, 42, 314, 326, 
86 
386. 
P. lima, 326, 387. 
P. patula, 326, 386. 
P. saxicola, 326, 387. 
Purpurine, 326, 385. 
Pycnogonida, 242, 296. 
Pycnogonida, 9. 
Pylopagurus, 268. 
Pyloric ceca, 208. 
Pyrocystis noctiluca, 33. 
Pyrosoma, 472. 
Pyrosomata, 472. 
Pyrula, 10, 326, 379. 
P. papyratia, 326, 379. 
R 
Radiata, 113. 
Radiates, 20. 
Radula, 304, 317, 340. 
Reta, 406, 447. 
R. canaliculata, 406, 447. 
Ralfsia, 62, 65. 
Ralfsiacez, 62, 65. 
Rataria, 132. 
Receptacles, 72. 
Red crab, 278. 
Red seaweeds, 76, 79. 
Red snow, 33. 
Reef-builders, 147. 
Reef-corals, 142, 146. 
Regularia, 217. 
Reticulated, 304. 
Rhabdoceelida, 160, 167. 
Rhabdonia, 77, 83. 
R. Coulteri, 77, 84. 
R. tenera, 77, 83. 
Rhithropanopeus, 241. 
R. harrisii, 241, 281. 
Rhizocephala, 239, 256. 
Rhizophyllidez, 78, 95. 
Rhizostome, 133, 139. 
Rhodactinia, 141, 145. 
R. davidsii, 141, 145. 
Rhodomela, 77, 89. 
R. floccosa, 77, go. 
R. larix, 77, go. 
R. Rochei, 77, 89. 
R. subfusca, 77, 89. 
Rhodomelee, 77, 86. 
Rhodophycez, 28, 76, 79. 
Rhodophyllidez, 77, 83. 
Rhodophyllis, 77, 83. 
R. veprecula, 77, 83. 
Rhodospermee, 79, 
Rhodymenia, 77, 85. 
R. palmata, 38, 42, 43, 77, 85. 
Rhodymeniacee, 77, 84. 
Rhodymeniez, 77, 85. 
Ring-canal, 201, 203. 
INDEX 
Rock-crab, 277, 280. 
Rockweeds, 8. 
Rocky shores, 7. 
Rodicks Weir, 44. 
Root-mouth jellyfishes, 139. 
Rostrum, 243 
Roundworms, 170. 
S 
Sabella, 162, 184. 
S. microphthalma, 162, 184. 
Sabellidz, 162, 184. 
Sacculina, 239, 256. 
Sagartia, 141, 145. 
S. leucolena, 141, 145. 
Salpa, 472, 474, 475. 
Sand-crab, 282. 
Sand-dollar, 11, 44, 225. 
Sandpiper, 5. 
Sandy shores, 10. 
Sapphirina, 239, 250. 
Sargasso Sea, 33. 
Sargassum, 26, 63, 64, 73. 
S. bacciferum, 34, 35, 63, 74. 
S. Montagnei, 63, 74. 
S. vulgare, 63, 74. 
Sarsia, 116, 123. 
S. mirabilis, 123. 
Saxicava, 41. 
Saxidomus, 406, 452. 
S. nuttallii, 406, 452. 
Scala, 325, 365. 
S. angulata, 325, 366. 
S. groenlandica, 325, 366. 
S. lineata, 325, 366. 
S. multistriata, 325, 366. 
Scalidz, 325, 365. 
Scallops, 12. 
Scaphopoda, 320, 321, 327, 402. 
Schizaster, 217, 227. 
S. fragilis, 217, 227. 
Schizopoda, 239, 257. ' 
Scinaia, 76, 80. 
S. furcellata, 76, 80. 
Scrobicularia, 413. 
Sculpture, 304. 
Scurria, 312, 
Scuta, 2 
Scutellidze, 217, 225. 
Scyllarus, 258, 263. 
Scyphozoa, 112, 115, 133, 134. 
Sea-acorns, 254. 
Sea-anemones, 112, 142. 
Sea-blubbers, 134. 
Sea-colanders, 42, 69. 
Sea-cucumbers, 43, 200, 202, 
229. - 
Sea-eggs, 221. 
Sea-fans, 114, 115, 142, 147, 152. 
Sea-feathers, 152. 
Sea-hares, 351. 
Sea-lilies, 200, 234. 
Sea-mats, 192. 
Sea-otters’ cabbage, 35. 
Sea-peach, 476. 
Sea-pens, 142, 153. 
 Sea-slugs, 349. 
Sea-spiders, 9, 296. 
Sea-squirts, 474. 
Sea-urchins, 48, 114, 200, 203, 
218, 220. 
Sea-whips, 142, 152. 
Sedentaria, 161, 180. 
Segment, 243. 
Segmented worms, t70. 
Semostome, 133, 137. 
Sense-organs, 135. 
Sepia, 464, 467, 468. 
Septibranchiata, 420. 
Serpula, 162, 185. 
S. dianthus, 162, 185. 
Serpulidz, 162, 184. 
Sertularia, 126. 
S. argentea, 43, 116, 127. 
S. cupressina, 116, 127. 
S. pumila, 43, 116, 126. 
SEEOULEHOnS, 8, 116, 120, 121, 
126. 
Sessile, 121, 126. 
Sheep-crab, 285. 
Sheepswool sponge, 104, 108. 
Shell— 
Butterfly-, 323. 
Coffee-, 879. 
Conch-, 377. 
Cowry-, 877. 
Gasteropod, 342. 
Growth of gasteropod, 346. 
Mounds, 432, 
Noah’s-ark, 426, 
Peach-, 454. 
Pelecypod, 416, 417, 
Razor-, 457. 
Setting-sun, 444. 
Shipworm, 462. 
Shrimps, 240, 245, 258, 259. 
Sigaretus, 311, 325, 334, 369. 
S. perspectivus, 325, 369. 
Signs on the beach, 1. 
Singing Beach, 2. 
Sinistral, 304, 345. 
Sinuate, 304. 
Sipho, 309, 313, 327, 393. 
S. islandicus, 393. 
S. pygmzeus, 327, 394. 
S. Stimpsoni, 327, 393. 
Siphon, 304, 330, 334, 411. 
nal, 412. 
Branchial, 412. 
Excurrent, 412. 
Functional, 411. 
Incurrent, 412. 
Siphonalia, 327, 394. 
S. kellettii, 827, 394. 
Siphonea, 51, 56. 
Siphonoglyphs, 143. 
Siphonophora, 117, 120, 121, 
1g0. 
Siphonozodids, 150. 
Siphuncle, 468. 
Sipunculoidea, 162, 185. 
Sipunculus, 162, 185. 
S. nudus, 162, 185. 
Skates, 12, 44. 
Solaster, 204, 205, 211. 
S. decemradiata, 204, 21z. 
S. endeca, 204, 211. 
Solasteridz, 204, 211. 
Solen, 407, 458. 
S. ensis, 3, 458. 
S. rosaceus, 407, 458. 
S. sicarius, 407, 458. 
S. viridis, 407, 458. 
Solenidz, 407, 457. 
