396 SECTIONAL TRANSACTIONS.— H, I. 



among Ulster food-vessel potters, and resultant ceramics reflexed to the 

 opposite shores of the Irish Sea and Wales. Bronze-equipped swordsmen 

 traversed Ireland and local variants of their panoply evolved. Thereafter 

 much of the Irish seaboard, isolated from the Early Iron Age developments 

 in Lowland Britain, declined into an ' Ultimate Bronze Age ' (Grahame 

 Clark) that may have persisted till Roman times. 



Miss M. Dunlop. — The significance of the limestone escarpments in the life 

 of Bronze Age France (12.0). 



The first instances of the significance of the limestone and particularly 

 of the oolitic escarpments are very much earlier than Bronze Age times, 

 but the extent to which the organisation of society and economy had de- 

 veloped at this stage justifies the choice of this period to demonstrate that 

 significance. 



The paper, with the aid of distribution maps (chiefly of objects of 

 material culture), aims to establish the position of various groupings on the 

 mainly forest-free escarpments, and to discuss their relations with the non- 

 calcareous hinterland. Further diagrams illustrate the importance of 

 individual limestone ridges and the use of the belt as a whole, in their effect 

 on internal trade and migrations and invasions of peoples. 



Illustrations are given, with the aid of tentative reconstructions of the 

 former vegetation of France, showing the direct connection between changes 

 of climate and the utilisation of the limestones. 



Specific examples are given to elucidate regional detail, and the possibilities 

 for the growth of unique autochthonous groupings along the limestone 

 scarps of Central France, are contrasted with contact metamorphism along 

 the peripheral regions. 



Afternoon. 

 Dr. D. Jenness. — Film : American Indians (2.30). 



SECTION I.— PHYSIOLOGY. 



Thursday, September 10. 



Dr. H. E. Collier. — Practical recognition of fatigue in industry, being a 

 discussion of the clinical aspects of the subject (11.0). 



The study of Industrial Fatigue is in a state of confusion. It has been 

 approached hitherto from three independent angles by the Physiologist, the 

 Psychologist, and the Industrial Engineer. The isolated studies of specialists 

 have not been brought together or properly related to each other. The 

 physiological manifestations of fatigue, the psychological feelings of 

 fatigue and the economic results of fatigue are all aspects of a deeper unity. 

 That unity should be studied by the Industrial Clinician, who, aided by 

 the specialists concerned, should be able to recognise the existence of the 

 Fatigue-Syndrome, to differentiate Industrial from Non-Industrial Fatigue, 

 and to indicate the probable sources of fatigue wherever it occurs. The 

 cure and prevention of fatigue in industry will be achieved by the combined 

 efforts of the practical experts concerned. 



