WOODCUTS AM) OTHER ILLUSTRATIVE FIGURES. .Wll 



PIO. PAGE 

 Diagrammatic section across Carrock Fell 314 



Sketch-map of Sourton Tors 339 



1. Specimen of metamorphosed tuff showing 'corduroy structure'. 352 



2. Metamorphosed ash on 1 he flank of Cock's Tor 357 



3. Hornblende-schist, Lizard 357 



L-6. Perlitie cracks in quartz 371 



1-2. Auriferous quartzite from Nondweni. Zululand 388,389 



1-2. Landscape Marble 395,397 



1 . Protocaris Marshi, Walcott 413 



2. Head-shield of Microdiscus Meeki 414 



3. Youngest stage of Olenellus asaphoides 415 



4- 5. Olenellus asaphoides 416 



(J. Saohirsuta 417 



rr J Diagram showing probable composition of head-shield [of 

 '•[ Trilobite] • 418 



8. Diagram of eye of Apus 421 



9. Head-shield of Olenellus (Mcsonacis) asap>hoides 423 



10. Pygidium of Cahjmenc Blumenbachii 424 



1 1. Specimen of Triarthrus Bcekii showing antennas 425 



12. Limb of Triarthrus Beckii 42<> 



1014 f Sections through Calymene senaria and Apus (Lepidierus) 



' \ spitsbergensis 427 



15 L6. Do. do. do. do 428 



17. Enrolled Calywiene 428 



Map of Romford District 444 



Section in Romford Cutting, south of Victoria Road Bridge ... 44;") 



1. Plan showing sewer-cutting in Thames Valley at Twickenham. 4 ■">."■! 



2. Section of do. do. do. 40."' 



3. Sections of sump-holes in the gravels at Twickenham 4ol> 



1. View of Central Peak of Mount Kenya 51 (i 



2. Map of S.W. slopes of Central Summit of Mount Kenya 517 



3. Section through Mount and Lake Holmel 519 



VOL. L. b 



