1.   A westerly return movement occurs between mid-October and December, but fewer birds are noticed.

2.   As he watched the events occurring between the two moons, he blew on a plastic beaker of fragrant Arcturan tea.

3.   As in mountain goats and other animals, fighting occurs only between similarly matched individuals.

4.   In every case a noticeable increase in measurement occurred between the first and second measurement of each pot.

5.   Links also occur between the two optic lobes and run from the medial part of the protocerebrum to each medulla separately.

6.   Peak numbers occur between December and February, and most winter visitors have departed by late March.

7.   Short of murder, whatever occurred between husband and wife was not considered by Locke to be of public concern.

8.   The most disruptive pairings occur between a supervisor and a subordinate.

9.   When relative motion occurs between the damper components there is a mutual drag torque.