CHAPTER XVIII.

1. Descriptive Ablative: 251; H. 419, II. 2. Clauses of Result: 319; H. 500, I. and II.

1. Along the river Sambre were trees[1] of great height.[2]

2. Among these trees the Nervii keep themselves hidden.

3. So[3] close together[4] were these trees that the Romans could not see through.

4. The river is of such depth that men can cross.

5. On the open ground are pickets of great courage.

[NOTES.-- 1. trees: +arbor+, fem. 2. height: the same word that means _depth_. 3. So: +ita+. 4. close together: +crēber+.]