PROCESS-BLOCKS AND OTHER ILLUSTRATIVE FIGURES. XV11 



Pack 

 Fig. 2. Diagrammatic section of the Weald, showing the low 



plateau on the south capped by flint- bearing gravels ... 120 



3. Sagittal section of the Piltdown skull superposed on that 



of a skull from Lewes Levels 126 



4. Eestoration of the Piltdown mandible compared with that 



of man and the young chimpanzee, in left side view 133 



5. The same, upper view 134 35 



6. The same, lower view 136-37 



7. Mandibular ramus from Piltdown superposed on that of 



Homo heidelbergensis 138 



Figs. 8-10. Outlines (left lateral view) of the skull and mandible of 

 the young and adult chimpanzee, and of Eoantkropus 

 dawsoni, also of the human skull and mandible from 

 La Chapelle aux Saints 140-41 



Fh;. 11. Left norma lateralis of the internal cast of the skull from 



Piltdown 145 



1. Vertical sections of borings in the Hartlepool area 192 



2. Section from the sea-coast at Throston (Hartlepool) to 



West Hartlepool Waterworks 194 



3. Ideal section of the Permian, from the shore at Blackhall 



Colliery to the Escarpment near Coxhoe 200 



1. Cranial foramina of Bapedius gramdatus 219 



2. Cranium of Bapedius gramdatus 220 



1. Spores of Marattiopsis anglica 229 



2. Eestoration of an almost mature male flower of William- 



sonia spectabilis Nat.horst 231 



3. Outlines of portions of two types of fronds referable to the 



aggregate species Ptilophyltum (Williamsonia) pccten ... 234 



4. Another type of frond of Ptilophvllum (Williamsonia) 



pccten, showing the basal lobes of the pinna? 235 



5. Epidermal cells of Baiera longifolia, showing the charac- 



teristic papillae and stomata on the lower side 244 



1. Geological map of the Pembrokeshire Coalfield 254 



2. Catamites undulritus Sternb. : external surface, showing 



root-scars below the node 262 



1. Pillow-lava, Rudha Barain, western shore of Loch Awe ... 285 



2. Deformed pillow-lava, Rudha Cuillin, eastern shore of 



Loch Awe 286 



3. Breccia containing epidiorite - fragments interbedded 



between fine-grained limestone and gritty limestone 288 



VOL. 1.X.IX. b 



