690 



PROCEEDINGS OF THE ACADEMY OF 



[Dec, 



Xiphidium brevipenne 530 



fasciatum 530 



nemorale 531 



nigropleuroides 533 



saltans 533 



spartinse 533 



strictum 532 



Xiphocharax 251 



ogilviei 251, 251 



Yoldia 536,540 



Zonites 209,210 



Zonitoides arborea 224, 369 



nitidus 369' 



