INDEX 659 
Spekia, 86, 315 (Fig. 63), 586, 589. Zonitoides, 534. 
zonatus, Lithoglyphus, 315. Zootecus, 485. 
Zonites, 188. zuluensis, Physa, 143. 
— Zonitide, 468, 482, 484, 485, 490, 491, zwellendamensis, Paludestrina, 222. 
506, 599. Paludina, 222. 
