488 



INDEX 



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. haemastoma, 326, 387. 



P. lapillus, 41, 42, 314, 326, 

 386. 



P. lima, 326, 387. 



P. patula, 326, 386. 



P. saxicola, 326, 387. 

 Purpurinae, 326, 385. 

 Pycnogonida, 242, 296. 

 Pycnogonidae, 9. 

 Pylopagurus, 268. 

 Pyloric cseca, 208. 

 Pyrocystis noctiluca, 33. 

 Pyrosoma, 472. 

 Pyrosomata, 472. 

 Pyrula, 10, 326, 379. 



P. papyratia, 326, 379. 



Radiata, 113. 

 Radiates, 20. 

 Radula, 304, 317, 340. 

 Raeta, 406, 447. 



R. canaliculate, 406, 447. 

 Ralfsia, 62, 65. 

 Ralfsiaceae, 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. 

 Rhabdoccelida, 160, 167. 

 Rhabdonia, 77, 83. 



R. Coulteri, 77, 84. 



R. tenera, 77, 83. 

 Rhithropanopeus, 241. 



R. harrisii,241,28i. 

 Rhizocephala, 239, 256. 

 Rhizophyllideae, 78, 95. 

 Rhizostomae, 133, 139. 

 Rhodactinia, 141, 145. 



R. davidsii, 141, 145. 

 Rhodomela, 77, 89. 



R. floccosa, 77, 90. 



R. larix, 77, 90. 



R. Rochei, 77, 89. 



R. subfusca, 77, 89. 

 Rhodomeleae, 77, 86. 

 Rhodophyceae, 28, 76, 79. 

 Rhodophyllideae, 77, 83. 

 Rhodophyllis, 77, 83. 



R. veprecula, 77, 83. 

 Rhodospermeae, 79. 

 Rhodymenia, 77, 85. 



R. palmata, 38, 42, 43, 77, 85. 

 Rhodymeniaceae, 77, 84. 

 Rhodymenieae, 77, 85. 

 Ring-canal, 201, 203. 



Rock-crab, 277, 280. 

 Rockweeds, 8. 

 Rocky shores, 7. 

 Rodicks Weir, 44. 

 Root-mouth jellyflshes, 139. 

 Rostrum, 243. 

 Roundworms, 170. 



Sabella, 162, 184. 



S. microphthalma, 162, 184. 

 Sabellidae, 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. fineata, 325, 366. 



S. multistriata, 325, 366. 

 Scalidae, 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, So. 

 Scrobicularia, 413. 

 Sculpture, 304. 

 Scurria, 312. 

 Scuta, 254. 

 Scutellidae, 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. 

 Sen-spiders, 9, 296. 

 Sea-squirts, 474. 

 Sea-urchins, 43, 114, 200, 203, 

 218, 220. 



Sea- whips, 142, 158. 

 Sedentaria, 161, 180. 

 Segment, 243. 

 Segmented worms, 170. 

 Semostomae, 133, 137. 

 Sense-organs, 135. 

 Sepia, 464, 467, 468. 

 Septibranchiata, 420. 

 Serpula, 162, 185. 



S. dianthus, 162, 185. 

 Serpulidae, 162, 184. 

 Sertularia, 126. 



S. argentea, 43. 116, 127. 



S. cupressina, 116, 147. 



S. pumila, 43, 116, 126. 

 Sertularians, 8, 116, 120, 123, 



126. 



Sessile, 121, 126. 

 Sheep-crab, 285. 

 Sheepswool sponge, 104, 108. 

 Shell- 

 Butterfly-, 323. 



Coffee-, 379. 



Conch-, 377. 



Cowry-, 377. 



Gastewod, 342. 



Growth il 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, i. 

 Singing Beach, 2. 

 Sinistral, 304, 345. 

 Sinuate, 304. 

 Siphp, 309, 313, 327, 393. 



S. islandicus, 393. 



S- pygmaeus, 327, 394. 



S. Stimpsoni, 327, 393. 

 Siphon, 304, 330, 334, 411. 



Anal, 412. 



Branchial, 412. 



Excurreut, 412. 



Functional, 411. 



Incurrent, 412. 

 Siphonalia, 327, 394. 



S. kellettii, 327, 394. 

 Siphoneae, 51, 56. 

 Siphonoglyphs, 143. 

 Siphonophora, 117, 120, 121, 



130. 



Siphonozobids. 150. 

 Siphuncle, 468. 

 Sipunculoidea, 162, 185. 

 Sipunculus, 162, 185. 



S. nudus, 162, 185. 

 Skates, 12, 44. 

 Solaster, 204, 205, 211. 



S. decemradiata, 204, 211. 



S. endeca, 204, 211. 

 Solasteridae, 204, 211. 

 Solen, 407, 458. 

 S. ensis, 3, 458. 

 S. rosaceus, 407, 458. 

 S. sicarius, -407, 458. 

 S. viridis, 407, 458. 

 Solenidae, 407, 457. 



