general those found in other portions of the Eastern and
Middle States known to have been occupied by tribes of the Algonquian
linguistic family.

The "Indian God-Rock," 115 miles north of Pittsburg, Pennsylvania, on
the Alleghany River, was next examined and sketches were made of the
figures. This rock is an immense bowlder, the sculptured face of which
is about 15 feet high and from 8 to 10 feet broad, and lies at the
water's edge. The figures upon the lower surface are being gradually
obliterated by erosion from floating logs and driftwood during seasons
of high water, while those upon the upper portions are being ruined by
the visitors who cut names and dates over and upon the sculptured
surfaces. Another place visited was on the Susquehanna River, 3 miles
below Columbia, Pennsylvania. Here a small stream empties into the river
from the east, along whose course several rocks were found bearing
deeply cut and polished grooves, indicating a nearly east and west
direction. These rocks are believed to be on the line of one of the
Indian trails leading to the Delaware River, similar to that at
Conowingo, Maryland, which was the last locality inspected, and which is
known as "Bald Friar." A large mass of rock projecting from the bed of
the river is almost covered with numerous circles, cup-shaped
depressions, human forms, and ellipses, strongly resembling characters
from other points in the regions formerly occupied by the Algonquian
family. Measurements and sketches of these petroglyphs were made, with a
view to future reproduction upon models.

OFFICE WORK.

The Director, Maj. J. W. POWELL, has continued the work of the
linguistic classification of the Indian tribes in North America north of
Mexico, and in connection with it is preparing a map upon a linguistic
basis showing the original habitat of the tribes. The work is now far
advanced.

Prof. CYRUS THOMAS, as previously stated, has devoted much of his time
during the year to the study of the collections made, and in preparing
for publication the account of field work performed by himself and
assistants. That account will form the first volume of his final report,
and will consist almost wholly of descriptions, plans, and figures of
the ancient works examined, narrative and speculation being entirely
excluded. It will also include a paper by Mr. Gerard Fowke on the stone
articles of the collection. The second volume will be devoted to the
geographic dis