Hilly terrain occurs in the north-western portion of the Division.

It occurs in the latter portion of the summer.

Most species occur in the central portion of South America.

Flooding occurred in the northernmost portion of Delaware, although much less than adjacent states.

Trace amounts of rainfall occurred in the southeastern portion of the state.

Flooding occurred in the northern portion of the parkway.

The spotted forms occur in the northern portion of its range.

They do not occur in the southeastern portion of the state.

Summer pupation occurs in the portion of the stalk which is above the ground.

The grass savannah occurs in the western portion of the swamp.