Pearl mussel, 179.
Pearl-oyster, 49.

Pecten, eyes of, 187.

Pecten islandicus, 136.
jacobæus, 67.

maximus, 38, 64, 306.
opercularis, 29, 137, 306.

Pectenides, 602.

Pectenibranches, 106, 274.
Pectens, 136-137.

Pedipes, 127, 130.

Pellibranchiata, 599.

Peloniadæ, 604.

Peltocochlides, 549.

Periwinkle, 40.

Petricolidæ, 601.

Phallusia sulcata, 280.
Phaneropneumona, 561.
Phasionella, 131.

Philodromus limacum, 380.
Phlebenterata, 596.

Pholadaria, 600.

Snails, 12, 13, 47, 77, 79, 80, 128, 170,

171, 376, 77.

Snail, eye of, 191.

juice, 76.

pulse, 221.

stones, 78.

torpidity, 257-59.

Solarium perspectivum, 65.

Solen, 180, 247, 293.

diphos, 425.
dombeyi, 293.

siliqua, 38, 140, 199.

Solenacea, 600.
Solenomya, 277.
Sopyga punctata, 84.
Spider, 83.

Spirobrachiphora, 567.
Spiroglyphus, 437.
Spirulidæ, 584.

Spondylus, water, 432.
Spondyli, 145.

Spout-fish, 178.

Star-fish, 32.

Stilifer, 334, 416.

Stomatopterophora, 564.
Strombus luhuanus, 440.
Strombidæ, 128, 199, 578.
bituberculatus, 417.
palustris, 256.

pes-pelicani, 84.

pugilis, 436.

Strophostoma, 416.

Struthiolaria oblita, 429.

Stulidia, 556.

Stylina, 410.

Succinea amphibia, 28.

TAPES PULLASTRA, 141.
Tectibranchia, 577.
Tectibranches, 106.

613

Teredo, 9, 10, 11, 12, 66, 87, 151,
154, 349, 372.

navalis, 213, 304.

Testacea, 510, 514, 586.
Testacellus, 312.

scutulum, 313.

Tethya, 603.

Tethyæ, 570

Tethydes, 551, 570.

Tethys, 18, 246, 335.
- leporina, 209.

Tetrabranchiata, 584.
Teuthidæ, 585.

Teuthis, 44.

Thalida, 604.

Thalides, 552, 571.

Thecideida, 600.

Thecosomata, 587.
Theodoxus reclinatus, 294.
Thrush, 27, 28.
Titmouse, 28.
Tonobranchia, 565.
Trachelipodes, 534.
Trachelobranchia, 562.
Tridacna gigas, 376.
Tridacnadæ, 601.
Tridacnes, 234.
Trigona, 463.
Trigonacea, 602.
Trigoniæ, 136, 188.
Triton nodiferum, 379.
Tritonia arborescens, 200.

hombergii, 335.

Tritonium variegatum, 65.
Trochoides, 107.

Trochus cinerarius, 351.

conuloides, 28.

niloticus, 256.

pica, 451.

Trombidium notatum, 381.

Tubicolidæ, 600.

Tubulibranches, 108.