1.   The songs of some birds are passed down the generations by education.

2.   Word was passed down the long column to close up, and to be ready to make a dash for the ford.

3.   The flexible Doppler probe was passed down the biopsy channel of the endoscope and was positioned under direct vision over the lesion.

4.   Regardless of the general press of humanity, a funeral procession was attempting to pass down it from the other end.

5.   As white clouds of tear gas passed down the streets, protesters coughed, cried and asked for water.

6.   But for better or for worse, mothers pass down their eating routines, attitudes, tastes and even cooking styles to their daughters.

7.   But its backers add that adjustments may be needed to help families passing down farms and small businesses.

8.   Down below once passed Butterfield stagecoaches and pony express riders, and a trail that began in Santa Fe and ended in Chihuahua, Mexico.

9.   During electrolysis, sterilized needles are passed down the hair shaft to the follicle.