514 



Index 



Smooth Giant Cockle, see Giant Pacific 

 Egg Cockle, 400 



Smooth Musculus, 355, pi. aSf 



Smooth Nut Clam, 335, fig. 70 



Smooth Pacific Venus, 408, pi. 31k 



Smooth Panama Chiton, 325 



Smooth Scotch Bonnet, 193, pi. pf 



Smooth Tellin, 422, pi. 40k 



Smooth Velutina, 175, pi. 22n 



Smooth Washington Clam, 417 



Smooth Western Nassa, 237, fig. 53f 



Snails, Life of, 16 



Snowflake Marginella, 257, fig. 56m 



Snub-nose Corbula, 457 



Soft-shell Clam, 455, pi. 32X 



Solander's Trivia, 179, pi. 20U 



Solarelles, species of, iio-iii 



Solid Surf Cla?n, see Atlantic Surf Clam, 

 446 



Sombrero Lucina, 385, fig. 78b 



Sooty Sea-hare, 285 



Southern Dwarf Astarte, 376 



Southern Miniature Natica, 191, pi. 22) 



Southern Quahog, 406, pi. 32g 



Southern Spindle-bubble, 280 



Sowerby's Fleshy Limpet, 98, pi. i7h 



Sowerby's Paper-bubble, 279 



Sowerby's Tusk, 331 



Sozon's Cone, 261, pi. 14c 



Spathate Scallop, 367 



Species, definition of, 71 



Speckled Tegula, 119, pi. i8v 



Speckled Tellin, 422, pi. 40-I 



Spengler Clam, Atlantic, 460 



Sphenia, Fragile, 455 



Spindle-bubbles, species of, 280 



Spindles, species of, 243 



Spined Spindle-bubble, 281, pi. 26-I 



Spiny Cockle, see Giant Pacific Cockle, 

 398 



Spiny Cup-and-saucer, 170, fig. ji 



Spiny Lima, 370, pi. 35g 



Spiny Margarites, species of, 1 09-1 10 



Spiny Paper Cockle, 398, pi. 39n 



Spiny Periwinkle, see Beaded Peri- 

 winkle, 134 



Spiny Slipper-shell, 171, pi. 2iq 



Spiral sculpture, definition of, 76 



Spiral Shell, see Common Spirula, 478 



Spirula, Common, 478, fig. 98 



Spitzbergen Colus, 229, fig. 5ih 



Splendid Top-shell, 116, pi. 33c 



Sponge Oyster, 374, pi. 28b 



Spoon Clams, species of, 472 



Spotted Cla?n, see Calico Clam, 416 



Spotted Limpet, 106 



Spotted Northern Moon-shell, 189, pi. 

 22m 



Spotted Periwinkle, pi. 19J, not in text 



Spotted Sea-hare, 285 



Spotted Slipper-shell, 171 



Spotted Thorn Drupe, 211, pi. 24-0 



Squamose Chiton, 325 



Squid, habits, 47 

 species of, 479 



St. Martha's Razor Clam, 445, pi. 3oh 



St. Thomas Frog-shell, 197 



Star Arene, 122 



Star-shells, species of, 123 



Stiff Pen Shell, 360, pi. 27X 



Stearns' Cone, 262, pi. 2 2y 



Stearns' Mussel, 353 



Stearns' Volute, 251 



Stimpson's Colus, 227, pi. 23X 



Stimpson's Cone, 263, pi. 14) 



Stimpson's Surf Clam, 446, pi. 31W; fig. 



26k 

 Stimpson's Transennella, 412, fig. 83a, b 

 Stimpson's Tusk, 329 

 Stocky Cerith, 154, pi. 19-I 

 Stout Cardita, 379, pi. 29-I 

 Stout Tagelus, 440, pi. 3od 

 Striate Bubble, 277, pi. 13P 

 Striate Cup-and-saucer, 170, pi. 2ir 

 Striate Martesia, 464, pi. 32W 

 Strigilla Clams, species of, 428 

 Striped False Limpet, 310, fig. 65 

 Stromboid notch, definition of, 76 

 Stuart's Trophon, 207, pi. 24J 

 Subgeneric names, 86 

 Suffuse Trivia, 177, pi. 2iaa 

 Sulcate Barrel-bubble, 280 

 Sulcate Limopsis, 347, pL 27f 

 Sun-dials, species of, 142 

 Sim-ray Shell, see Sunray Venus, 416 

 Sunray Venus, 416, pi. 39b 

 Sunrise Tellin, 421, pi. 4oe 

 Sunset Clam, see Californian Sunset 



Clam, 441 

 Superb Gaza, 118, pi. 3b 

 Surf Clams, species of, 446-449 

 Swift's Corbula, 458, fig. 93b 

 Swimmer's itch, 4 

 Swollen Egg Shell, see Flamingo 



Tongue, 183 



Tabled Neptune, 231, fig. 5 if 



Taenioglossate, 78 



Tagelus, species of, 440 



Tall-spired Turret, 271, fig. 57b 



Tampa Drill, 213 



Tampa Tellin, 424, fig. 86b 



Tainpa Urosalpifix, see Tampa Drill, 



Tan Marginella, 254, fig. 56c 

 Tantilla Transennella, 413 

 Taphria Nut Clam, 338, fig. 72a, b 

 Tawny Murex, see Giant Eastern AIu- 



rex, 203 

 Teardrop Alarginella, 259, fig. 56-0 

 Tectibranchs, species of, 275 

 Teeth, in mouth, 79, figs. 6, 75 



of shell material, 76, 84 

 Tegulas, species of, 11 8-12 1, pis. 3, 17, 



18 

 Tcinostomas, species of, 139 

 Tellin-like Cumingia, 436 

 Tellins, species of, 421-430 

 Ten-ridged Whelk, see Brown-corded 



Neptune. 229 



Tenta Macoma, 431 



Teredos, species of, 465 



Tereinus Scallop, 363 



Tessellate Nerite, 128, pi. 4f 



Test's Limpet, 102, pi. i8g 



Texas Tusk, 329, fig. 69c 



Texas V^enus, 416, pi. 32k-, fig. 28c 



Textbooks on moUusks, 490 



Thea Drillia, 270, fig. 57f 



Thick Buttercup, see Thick Lucina, 388 



Thick-lipped Drill, 219, fig. 47b 



Thick Lucina, 388, pi. 38g 



Thick-ribbed Buccinum, 227, fig. 51b 



Thick-shelled Heart, see Pointed Venus, 



409 

 Thin Nut Clam, 336, fig. 71a 

 Thin Nut Shell, see Smooth Nut Clam, 



.335 



Thin-shelled Littleneck, 410 



Thorn Drupes (Acanthina), 211 



Thorny Oysters, species of, 369, pi. 36 



Thorny Scallop, see Sentis Scallop, 363" 



Thorny Slipper Shell, see Spiny Slip- 

 per-shell, 171 



Thorson, Gunnar, 30 



Thracias, species of, 471 



Threaded Abalone, 93, pi. 2d 



Threaded Vitrinella, 138, pi. i7r 



Three-colored Top-shell, 113, fig. 33e 



Three-toothed Cardita, 380 



Tides, 57 



Tiger Cowrie, 7 



Tiger Lucina, 390, pi. 38d 



Tile-roof Dog-whelk, see Western Mud 

 Nassa, 238 



Tindaria, Brown, 341 



Tinted Cantharus, 232, pi. 25y 



Tollin's Wentletrap, 164 



Top-shells, species of, 112-117, fig. 33; 

 pis. 3, 17 



Tower-shell, see Turrets, 267 



Toxoglossate, 79 



Trade routes, 8, fig. 2 



Trader Pyrene, see Common Dove- 

 shell, 220 



Transennellas, species of, 412 



Transparent Razor Clam, 442 



Transverse Ark, 345, pi. 27s 



Trapping mollusks, 59 



Trellised Chiton, 323 



Triangular Limpet, 104 



Triangular Marginella, 258 



Triangular Trophon, 208, fig. 46b 



Tridacna Clam, 37 



Triforas, species of, 159 



Tritons, species of, 194-197, pis. 9, 24, 25 



Trivias, species of, 177-179, pis. 20, 21 



Trophons, species of, 206-209, ^g- 4*^ 



True Spiny Jewel Box, 394, pi. 37h 



True Tulip, 242, pi. 13b 



Trumpet Triton, 197, pi. 5f 



Truncate Soft-shell Clam, 455, pi. 32V 



Trimcated Angel Wing, see Fallen 

 Angel Wing, 461 



Tryon, George W., 68 



