EXPLANATION OF THE PLATES. 



PLATES L & II. 



Illustrate a paper on the Geology of Southern Pembrokeshire, by H. T. De la 

 Beche, Esq. Art. I. p. 1, &c. of the present volume. 



Plate I. 

 A map of Southern Pembrokeshire. 



Plate II. 



Sections of various parts of the coast of Southern Pembrokeshire. 



Fig. 1. Contortions of greywacke-strata in the proximity of trap, at the entrance of 

 Druson Haven in St. Bride's Bay : vide pp. 6, 10, & 20. 



Fig. 2. Coast-section from Broad Haven to Mill Haven in St. Bride's Bay : vide 

 pp. 6, 7, 12, 15, & 18. 



Fig. S. Coast-section at West Angle, on the eastern side of the entrance to Milford 

 Haven : vide page 16. 



Fig. 4. Contorted strata of mountain-limestone, near Eligug Stack, on the southern 



coast of Pembrokeshire : vide p. 17. 

 Fig. 5. Vertical and contorted strata of limestone, resting upon highly inclined strata 



of old red sandstone, at Stackpole Quay : vide p. 17. 



Fig. 6. Coast-section from Tenby to Sandersfoot, in Caermarthen Bay : see the de- 

 scription of the mountain-limestone at p. 15, and of the coal-measures at p. 18. 



PLATES in. & IV. 



Illustrate Mr. De la Beche's paper on the Lias of the coast in the vicinity of Lyme 

 Regis. Art. H. p. 21, &c.* 



* The relative position of the cHlFs referred to in this paper is represented in Plate VIII. of Vol. I. 

 (Second Series). 



