Index and Glossary 



Oliva erythrosioma, gi 



fusiformis, 94 



eibbosa, 95 



litterata, 94 



maura, ^2 



porphyria, 93 



reticularis, 93 



tigrina, 92 

 Olive, angled, 93 



Brazilian, 95 



camp, 93 



fusiform, 94 



gibbons, 95 



lettered, 94 



little, 95 



Moor, 92 



netted, 93 



porphyry, 93 



red-mouthed, 91 



tiger, 92 



two-plaited, 92 

 Olive Shells, The, 91 

 Olivella intorta, 96 



fnutica, 95 



Pedroana, 96 

 OUvidee, 90 

 Ontmastrepkes, 455 



illecebrosus, 456 



sagittatus, 456 

 OmntastrephidcB, 455 

 Operculum, defined, 20 

 OPISTHOBRANCHIATA (Order), 243 

 Orb snail, three-coiled, 295 

 Orb Snails, The, 294 

 Ormer, 226 

 Orthalicid<B, 27^ 

 Orthalicus fasctata, 274 



undaia,^ 273 



Virginica, 374 



zebra, 273 

 Osphradium, defined, 23, 25 

 Ostresa borealis, 423 



edulis, 423 



frons, 424 



lurida, 424 



Virginica, 423 

 OsTRiCH-POOT Shells, The, 123 

 Otter Shells, The, 335 

 Oviduct; egg duct, 85 



Ovoviviparous : reproducing young by 

 hatching the eggs within the brood 

 chamber of the parent, 19s 

 Ovula acicularis, 135 



angulosum, 136 



gibbosa, 135 



ovum, 136 



patula, 136 



tortilis, 136 



wniplicata, 135 



volva, 136 

 Ovulidse. 135 

 Owl shell, 234 

 Oyster, anatomy of, 424 



Australian, 436 



beard of, 425 



Blue Point, 429 



Chinese, 424, 428 



coon, 62, 424 



cove, 435 



crow, 149 



culture of, 427 



edible, 423 



enemies of, 65, 74, 430 



European, 423 



French, 429 



green, 429 



hammer, 399 



heart of, 425 



Japanese, 424 



Hfe history of. 425 



Oyster, lurid, 424 



native, 429 



New Zealand, 435 



northern, 423 



pearl, 394 



saddle, 422 



thorny, 404 



tree, 424 



Virginia, 423 

 Oysters, The, 423 



The Hammer. 399 



The Pearl, 393 



The Thorny, 404 

 Pallet, defined, 313 

 Palpi, labial, defined, 307 

 Paludina, 13 

 PahidinidcE, 19s 

 Paludomus Gardneri, 185 



loricatus, i8s 

 Panama shells, 94 

 Pandora trilineata, 330 

 Panopcea Aldrovandt, 323 



aitenuaia, 323 



generosa, 323 



Norwegica, 323 

 Paphia, 351 

 Parapodia, defined, 244 

 Pares, oyster, 428 

 Patella aspera, 235 



compressa, 236 



ferruginea, 235 



granularis, 235 



longicosta, 235 



Mexicana, 236 



pectinata, 236 



radians, 235 



vulgata, 23s 

 Patellides, 234 

 Patula, 263 

 Pea pod shell, 392 

 Pea Shells, The, 355 

 Pearl-diving, 396, 397 

 Pearl fisheries, 395, 396 

 Pearl Oysters, The, 393 

 Pearls, oriental, 395 



origin of, 395 



river, 373 



seed, 396 

 Pecten, 411 

 Pecten asquisulcatus, 417 



caurinus, 416 



Diegcensis, 417 



dislocatus, 416 



distorsum, 417 



giganteus, 418 



nasiatus, 417 



kericeus, 416 



irradians, 413, 416 



Islandicus, 415, 417 



Jacobsus, 413 



Ja^onicus, 41 8 



Jatt-auratus, 417 ' 



Magellanicus, 415 



maximus, 414 



nobilis, 41 s 



nodosus, 41 s 



opercularis, 414 



pusio, 414 



subnodosus, 416 



varius, 412, 418 

 Peciinidas, 411 

 Pectunculus giganteus, 386 



pennaceus, 386 

 Pedum Spondyloideum, 407 

 PELECYPODA, 303 

 Pelagic: living in the open sea, 49 

 Pelican's Foot, The, 122 

 Pen shell, black, 402 

 half-naked, 401 

 Moor, 402 



475 



