when there is only a depth of 2 feet of water in the

Aqueduct.

To those who had watched over the work during its construction and looked for its successful operation, this was peculiarly gratifying. To see the water leap from this

opening and rise upwards with such force and beauty, occasioned pleasing emotions and gave proof that the design and construction of the work were alike faultless, and that all the fondest hopes of its projectors would be realized.

The scenery around this fountain added much to its

beauty ; there it stood, --a whitened column rising from the

river, erect, or shifting its form, or waving like a forest tree as the winds swayed it, with the rainbow tints resting upon its spray, while on either side the wooded hills arose to

rival its height : all around was of nature ; no marble basin, --no allegorical figures, wrought with exquisite touches

of art to lure the eye, but a fountain where nature had adorned the place with the grandeur and beauty of her rude hills and mountain scenery. Plate XX. is a distant view of the jet at Harlem River. From Harlem River the Aqueduct passes along the south bank of the River for a short distance where it rests in the

side of the rocky hill, and continues over an uneven surface encountering two tunnels before it reaches Manhattan Valley, which is about 35 miles from the Croton dam. This valley is four fifths of a mile wide where the Aqueduct meets it, and the depression is 102 feet below the plane of Aqueduct grade. Here was an opportunity for constructing a work of architectural beauty and boldness by building up with arcades of arches, one line above another, and thus maintain the regular inclination of the Aqueduct ; but considerations of economy forbade it.