PROCESS-BLOCKS AND OTHER ILLUSTRATIVE FIGURES. 



Fig. Page 



1. Section drawn southwards from a point about 6 miles south- 



east o f Derna 579 



2. Section in the plateau-face at Wadi Nagr, west of Derna 581 



3. Section from Slonta through Cyrene to the sea 584 



4. Sketch-map illustrating the tectonic relations of Cyrenaica ... 604 



— Loxoconcha cyrenaica, sp. nov 660 



— The granulation of the anterior ambulacral plates in \_Schizaster 



rimosus and Sch. ederi, sp. nov.] 674 



1. Outline-map of Antigua 683 



2. Diagrammatic sections across the Antillean Dislocation 689 



3. Diagram of strata originally exposed at Chalky Mount 



(Barbados) 694 



4. Diagram showing the position of the Orbitoides Bed beneath 



the Naparima Marls, Trinidad 697 



1. Diagrammatic section from Worcester to the foot of the 



Hex-River Mountains 705 



2. Diagrammatic section through the southern part of the farm 



De Hoop 721 



3. Geological map of the district round Montagu and Ash ton ... 722 



4. Diagrammatic section along the banks of the Kogmans River . 723 



5. The dominant trend-lines of the south-western part of Cape 



Colony 726 



ERRATA. 



Page 272, lines 6 & 26 from the top, and Page 275, line 4 from the bottom, 

 for ' testitudinariuw ,' read ' testudinarium.' 



Page 341, line 40 from the top, for ' Genentonum,' read ' Geimitomtim.' 



Pages 451 & 452. Fig. 9 b alone represents Melanella hemidiscus, gen. et 

 sp. nov. ; and fig. 9 a represents Jonesella obscura, Ulrioh. 



