Plate I. 



Fossils from Quelpart. 



Fig. 1. Tliracia pubescens Pult. a. View fromn'ight side. b. View from bebind. 



Fig. 2. Turritella saislmensis Yok. 



Figs. 3, 4. Terebratella ? excelsa Yok. 3. Ventral valve seen from outside and 



inside. 4 a. Ventral view. 4 b. Dorsal view. 

 Fig. 5. Pecten cosibensis Y^ok. Eigbt valve. 

 Fig. G. Venericardia ferruginea var. orbicularis Yok. Eight valve. 

 Figs. 7, 8. Eudesia ? sp. a. Ventral views, b. Dorsal views. 

 Fig. 9. Venericardia nakamurai Yok. Eight valve, much enlarged. 

 Fig. 10. Terebratella '? sp. a. Ventral view, b. Dorsal view. 



