1853.] DAVIDSON FOSSIL BRACHIOPODS FROM CHINA. 359 



10. Rhynchonella Yuennamensis, De Koninck, sp. 

 Pl. XV. fig. 18. 



Terebratula Yuennamensis, De Koninck, Bull, de I'Acad. Royale de 

 Belgique, 1846. 



Shell rather broader than long, irregularly circular and globose. 

 Dental valve more convex than the opposite one, with a short beak 

 so much incurved as almost to touch the umbo of the socket-valve. 

 Twenty-two to twenty-four radiating plaits ornament the surface of 

 each valve. Length 13, width 15, depth 11 lines. 



Found in the same locality as the preceding species, by M. Itier. 



DESCRIPTION OF PLATE XV. 



Figs. 1-5. Spirifer disjunctus, Sowerby. 



Figs. 6-9. Cyrtia Murchisoniana, Be Koninck, sp. 



Figs. 10-11. Rhynchonella Hanburii, Davidson. 



Fig. 12. Productus subaculeatus, Murchison. 



Fig. 13. Crania obsoleta, Goldfuss. 



Fig. 14. Spirorbis omphalodes, Goldfuss ? 



Fig. 15. Cornulites epithonia, Goldfuss} 



Fig. 16. Aulopora tubseformis, Goldfuss. 



Fig. 17. Spirifer Cheehiel, De Koninck. 



Fig. 18. Rhynchonella Yuennamensis, De Koninck, sp. 



10. On the Caradoc Sandstone q/" Shropshire. 

 By J. W. Salter, Esq., F.G.S., and W. T. Aveline, Esq., F.G.S. 



[The publication of this paper is deferred.] 



