INDEX 



535 



WalDHEIMIA, 464, 467, 468, 473, 474, 



487; size, 484; distribution, 486; 



fossil, 500, 501, 502, 506, 508 

 Walton and mussel cultivation, 115 

 Wampum, 97 

 Warner, R., quoted, 37 

 Warning coloration, 71 f. 

 West Coast, South America, melanism 



of shells occurring on, 86 

 Whelks, use of, 118 

 Whitneya, 4^4 



Whitstable, oyster-parks at, 106, 112 

 Willem, v., on vision of Mollusca, 185 

 WoUaston, T. V., quoted, 32 

 Wood, Rev. J. G., on starfish eating 



oysters, 111 

 Woodia, 451 

 Woodward, S. P., on tenacity of life, 



38 ; Dr., on the same, 38 

 Wotton, F. W., on egg-laying of Avion, 



42 

 Wright, Bryce, on tenacity of life, 38 



Xenophora, 412 \ habits, 64 



Xenopoma, 346, 351 



Xerophila, 285, 296, 441 



Xesta, 310, 319, 321, 440 ; mimicry by, 



66 f. 

 Xylophaga, 457 



Yetus, 4^5 



Toldia, 447 ; genital orifice, 242 



Zagrabica, 297 



Zebrina, 285, 296, 442 



Zeidora, 406 



Zidona, 4^5 



Zittelia, 4^0 



Zones of depth, 361 



Zonites, 275, 44O ; food, 33 ; radula, 



232 ; distribution, 294, 296, 340 

 Zospeum, 187, 442 

 Zygobranchiata, 154, 4O6 



END OF VOL. III. 



