PROCESS-BLOCKS AND OTHER ILLUSTRATIVE FIGURES, 

 BESIDES THOSE IN THE PLATES. 



Fro. Page 



1 . Side-view of Edestus minor 2 



2. Segments of Edestus triserratus, sp. nor., restored 6 



1. Section from Aberfoil to Allt a' cboinu 13 



2. Crystalline gneiss from Inversnaid (microscope-section) 20 



3. Sketch-map of the Loch-Lomond District 25 



1 . Section at Monkey's Quarry, Gibraltar ... 31 



2. Section of the floor in the cave at Monkey's Quarry, Gibraltar. 32 



1 . Glaciated boulder from the Gormanston Moraine 44 



2. Sketch-map of North-Western Tasmania, illustrating the 



range of the Pleistocene glaciatiou 50 



1 . Suture-line of Perispkincfes plicatilis 55 



2. Suture-line of Per isphi notes variocostatus, restored 58 



3. Suture-line of Olcostephanus Pailasianus, var. nov 60 



1. Diagrammatic sketch of an exposure north-north-west of Blea 



Crag, Langstrath 72 



2. Diagrammatic section through Bosthwaite Fell 89 



3. Banded ash and gametiferoua intrusive rock at Great Crag 



(Dock Tarn) 92 



1 . Section of the cliff at the western end of Prah Sands 1 08 



2. Bude implement (?) made of vein-quartz 109 



1. Map of South-Western Cornwall 11". 



2. Diagrammatic section across the St. Erth Valley (Cornwall^... Ill) 

 1. Biver-valley section at Wolvercote (Oxfordshire) 122 



