42-i PALEONTOLOGICAL INDEX 



v z 



Verities, 276. Zaphrentidse, 199. 



Zygospira, 272. 



erratica, 170, 178, 275. 



W exigua, 143, 178, 273. 



Wingiu. 87. modesta, 169, 170, 178, 274, 275. 



Worm burrows, 27(5. rocurvirostris, 136. 137, 178, 272. 



