EXPLANATION OF THE PLATES AND WOODCUTS. 



Fig. 7. Road-section near Newton : p. 463. 



Fig. 8 A to 8 E. Sections to explain the relative positions of the carbonaceous shale and lime- 

 stone between Oxencombe and Chudleigh Bridge: p. 461. 

 Fig. 9. Section near Knowle, exhibiting contorted bands of Umestone in slate : p. 488. 



WOODCUTS. 



Fig. 1. Represents the manner in which the exposed edges of the laminae of slate are separated 

 and contorted: p. 437. 



Fig. 2. Sections of fluvio-marine and marine raised estuary deposits : p. 441. 



Fig. 3. Exhibits the raised beach at Hope's Nose, resting on highly inclined strata of lime- 

 stone : p. 441. 



Fig. 4. Section of recent marine deposits, presenting instances of obhque lamination : p. 442. 



Fig. 5. Section, near Dawhsh, of regenerated new red sand overlying a recent marine deposit, 

 the subjacent formation being the regular new red sandstone : p. 447. 



Fig. 6. Section of greensand resting unconformably on carbonaceous shales, near Combe Farm : 

 p. 451. 



Figs. 7. and 8. Diagrams of joints and cleavage, which affect the new red sandstone in the 

 south-east of Devonshire : pp. 455, 456. 



Figs. 9, 10, and 11. Sections exhibiting proofs of the unconformable position of the carbona- 

 ceous deposits to the older rocks near Newton and Landue Mill : pp. 458, 459. 



Fig. 12. Section at Sharkham Point, showing the termination of the limestone and its position 

 relative to the subjacent slates : p. 464. 



Fig. 13. Ground plan of a trap dyke intersecting slates near West Down: p. 471. 



Fig. 14. Section near Pulser of the junction of slate with a mass of intrusive trap : p. 473. 



Fig. 15. Section near Murcheton, exhibiting the intrusion of porphyritic granite among masses 

 of previously consoUdated granite : p. 477* 



Fig. 16. Section near Ogwell, showing the connexion of trap and slate, and the oblique lami- 

 nation in the latter, apparently due to the action of the former: p. 479. 



Figs. 17, 19, and 20. Instances of cleavage in variously contorted strata: pp. 481, 482. 



Fig, 18. Section near Lew Trenchard, exhibiting a stratum of slate (a) with an obhque cleavage, 

 interposed between strata of coarse sandstone {b) horizontally laminated: p. 481. 



WOODCUT. 



Map of the Peninsula Aden, to illustrate Mr. Burr's account of the volcanic phaenomena and 

 rocks of the district : p. 499. 



WOODCUTS 



To illustrate Mr. Owen's memoir on the teeth of the Labyrinthodon: p. 503—513. 



Fig. 1. Part of a transverse slice of the tooth oi Labyrinthodon Jeegeri, as seen by transmitted 

 light ; magnified 10 diameters : p. 506. 



Fig. 2. Portion of a transverse sUce of the tooth of a Labyrinthodon from the Warwick sand- 

 stone: p. 511. 



