11.   Anyone who doubts the use of these brochures has only to go to a major museum in high summer.

12.   As the rumble of the train disappears, the crickets persist, and in their voices it is high summer all over again.

13.   August in fact is high summer.

14.   A high summer day with the breeze in perfect pitch, and Dr. Sherret S. Chase is talking popcorn, naturally.

15.   But in any region where the average annual temperature rises, climate experts say, high summer temperatures are expected to become even higher.

16.   But the Berkshires, as always, are very fine in high summer.

17.   Daily watering is often essential in high summer, posing a problem for the gardener who cannot be there every day.

18.   Even in high summer, fish can be caught congregating around the icy spring feeds.

19.   From his office, Lautman would check the Internet for reports from two channel buoys, watching the water temperature rise as high summer approached.

20.   High summer is also the time to set sandals to the streets around Independence Hall and see where the delegates to the First and Second Continental Congresses sweltered.