Realising he had forgotten his briefcase, he turned back and re-entered the office.

They call her the lady of the night She's a woman of the world And easy-living girl with love for sale That's what they call her, the lady of the night.

'Midge was such a dingbat', Jenny Fields wrote in her autobiography, 'that she went to Hawaii for a vacation during World War Two.'

Generally speaking it is found that the most carefully purified enzyme preparations give the reactions of proteins, and for a long time the view was prevalent that enzymes belonged to the class of nucleo-proteides (p. 421). It is certain, however, that many enzymes are known which are not nucleo-proteides, and some, such as the vegetable oxidases, seem to contain scarcely any nitrogen.