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From these two points of view the admirable Hofmann Memorial Lecture, lately delivered by Professor G. Morgan at the Imperial College of Science and Technology, will make a wide appeal.

To a younger generation, such glimpses come as an inspiriting sugges- tion that seemingly unimportant occurrences, and sometimes even failures, may carry the germs of a great discovery, or conceal the foundations of a flourishing industry.

Even when scientists prepare perfect diets for the inhabitants of towns, there remain the causes which have tended to weaken the stomach.

In the villages, open air, plenty of manual exertion, simple and un- sophisticated food and occasional fasting, with few opportunities for excessive indul- gence, keep the peasantry healthy and robust.

The question of nutrition is primarily the problem of the urban population on whom the pressure of all the complicated factors of the civilisa- tion impinges.

The progress * f material civilisation, as it affects the educated communities, seems to be almost in conflict with the physical health, hardihood and efficiency which characterised the generation belonging to the early Christian era.

In romance and enlightenment this industry remains unrivalled, while Professor Morgan brings both attributes vividly to mind. In view of the growing interest which geologists, meteorologists and archaeologists have recent- ly shown in this problem, it seemed desirable to present our observations and to give a brief summary of the multiple evidence of subrecent climatic pulsations. Paterson, show that valley glaciers advanced five times, leaving distinct traces of moraines and glacio -fluvial outwash deposits in the valleys.

“CURRENT SCIENCE A MONTHLY JOURNAL OF SCIENCE VOLUME V (JULY 1936— JUNE 1937) BANGALORE CITY: THE BANGALORE PRESS, MYSORE ROAD n ? The terminal moraines of the fourth glacia- tion w r ere observed between 7,500 and 8,500 feet above sea-level, and in most cases the corresponding trough was appreciably smaller than the higher trough scooped out by the third glaciers.

This correlation permits of dating the second Himalayan ice-advance as being of Boulder Conglomerate or Middle Pleistocene age, so that the following third and fourth glacia- tions would fall into the Upper Pleistocene.

Thus he came to recognise the other volatile possibilities concealed by this unsavoury refuse, and in 1848 patented his naphtha- lamp, long used in gipsy-caravans and country -fairs. Those were empirical days, and Professor Morgan’s picture of Dan Dawson illuminates the period.

Bom in 1809 at Bradford, Eead Holliday began in 1830 to distil ammonia from gas-works liquor, and offered this new wool-cleanser to the manufacturers of Huddersfield, where he bought a strip of land on the river Colne and invited the local gas-works to dump its tar thereon.

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