Зображення сторінки
PDF
ePub
[graphic][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][ocr errors][ocr errors][ocr errors][subsumed][ocr errors][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][ocr errors][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][ocr errors][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed]
[merged small][merged small][merged small][merged small][merged small][ocr errors][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][ocr errors][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][ocr errors][merged small][merged small][merged small][merged small][ocr errors][merged small][merged small][merged small][merged small][merged small][merged small][merged small][ocr errors][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small][merged small]

Major-General SABINE, President, in the Chair.

The following communications were read :

I. "On the Osteology of the genus Glyptodon." By THOMAS HI
HUXLEY, F.R.S. Received December 30, 1863.

Minor.
VIII.

[ocr errors]

In 1862 the author communicated to the Royal Society an accoun the more remarkable features of the skeleton of a specimen of the exti genus Glyptodon which had been recently added to the Museum of 1 Royal College of Surgeons; and he then promised to give a full descripti of the skeleton, illustrated by appropriate figures, in a memoir to be pr sented in due time to the Royal Society. The present communication COL sists of Part I., and Sections 1 and 2 of Part II., of the promised memoir Part I. contains the history of the discovery and determination of the remains of the Hoplophoride, or animals allied to, or identical with Glyptodon clavipes. Part II. is destined to comprehend the description of the skeleton of Glyptodon clavipes (Owen)-Hyplophorus Selloi? (Lund); and the Sections 1 and 2 now given contain descriptions of the skull and the

vertebral column.

The preliminary notice already published in the Proceedings (Dec. 18, 1862, vol. xii. p. 316) will serve as an abstract.

[graphic][subsumed][subsumed][subsumed][subsumed][subsumed][ocr errors][ocr errors][subsumed][subsumed][subsumed][ocr errors][subsumed][subsumed][ocr errors][ocr errors][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed][ocr errors][subsumed][subsumed][ocr errors][subsumed][subsumed][ocr errors][subsumed][subsumed][subsumed][subsumed][subsumed][ocr errors][subsumed][subsumed][subsumed][subsumed][subsumed][subsumed]

II. "On the Great Storm of December 3, 1863, as recorded by the Self-registering Instruments at the Liverpool Observatory." By JOHN HARTNUP, F.R.A.S., Director of the Observatory. Communicated by General SABINE, P.R.S. Received January 21, 1864.

[This Paper is accompanied by a diagram, which is deposited, for reference, in the Archives of the Royal Society, and of which the author gives the following explanation.]

The accompanying diagram exhibits the strength and direction of the wind, the height of the barometer, and the rain-fall for three days preceding, two days following, and during the great storm of December 3, 1863, as recorded by the self-registering instruments at the Liverpool Observatory. The barometer-tracing is a facsimile of the original record produced by King's self-registering barometer; the force and direction of the wind and the rain-fall have been taken from the sheets of Osler's anemometer and rain-gauge; the time-scale for the anemometer has been slightly increased to adapt it to that of the barometer, and the scale of wind-pres› sure for each five pounds has been made uniform, instead of leaving the spaces greater or less according to the strength of the springs as in the original record. The tracings of the recording-pencils for the direction of the wind and the rain-fall are faithfully represented, but it is scarcely possible to copy the delicate shadings and every gust recorded on the original sheets by the pencil which registers the force of the wind; all the → heavy pressures are, however, correctly represented, and may be taken from the diagram as accurately as from the original sheets. The figures at the bottom of the diagram show the readings of the dry- and wet-bulb thermometers and the maximum and minimum thermometers as recorded at the Observatory during the six days; the wet- and dry-bulb thermometers were read each day at 8 and 9 A.M. and at 1, 3 and 9 P.M.; the registering dry thermometers were read and readjusted each day at 1 P.M. The time marked on the diagram for all the instruments is Greenwich mean time.

For four days previous to the 30th of November the barometer had been high and steady, the readings ranging from 30.13 in. to 30-33 in., the latter at noon on the 29th being the highest; from this time to midnight the fall was slow and pretty uniform; from midnight November 29 to midnight December 5 the changes of barometric pressure, the strength and direction of the wind, and the rain-fall are shown on the diagram. The fall of the barometer on the day of the great storm was rapid from midnight to 6 A.M.; heavy rain and hail fell from 3h 30m to 7h 20m; and from 5h 50m to 6h 45 it was nearly calm, during which time the wind shifted from E. through S. to W. Between 6h 45m and 8h 15m the pressure of the wind increased from 0 to 16 lbs. on the square foot, and at about twenty-five

« НазадПродовжити »