CiiAPP AND Shimeb. — Sutton Jurassic. 
PLATE 41. 
Fig. 11. Isastrea cowichanensis n. sp. Photograph of the type specimen. 
XI. 
Fig. 12. Myophoria suttonensis n. sp. Photograph of the type specimen, 
right valve. Umbonal view showing striated teeth, Trigonia- 
like transverse ridges upon umbo and the strong radial ridge 
extending from umbo to posterior border of valve separating the 
ribbed portion from the posterior dorsal area. XlJ. 
Fig. 13. The same; posterior dorsal area showing the broad low medial 
rib upon which the growth lines show as low folds. Xlf. 
Fig. 14. The same; surface view showing radial ribs crossed by concentric 
ridges, the disappearance of the former upon the anterior portion 
of the shell where the transverse ridges occur. Xli. 
Fig. 15. CalamophyUia sultonensis n. sp. Photograph of a mass, showing 
the loose arrangement of corallites, the prominent costae, and 
strong horizontal proliferations. XI 5. 
