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As they are gradually separated the narrow vertical fringes become less and less distinct, and finally vanish completely. Measure the distance between the holes and divide this by the wavelength of light, which we may call 1/50000 of an inch. The result is the angular width of the distant slit. Knowing the distance of the slit, we can at once calculate its linear width.

Great bronze vessels were wrought with splendid conventional designs, and some of the stone vases of the period are amazing in the skill with which they were worked and decorated. The linear script, Class B, now supersedes the earlier type, Class A.

A stiff, wiry, leafless polygonaceous plant grows in the shallow depressions of the surface of the ground, which are significantly termed by the squatters "Melon-holes", and abound in the open Box-tree flats. A small shrubby Stenochilus with very green linear lanceolate leaves and red tubulous flowers, is frequent amongst the Bricklow.

Once seen it will never be forgotten: it tyrannises and dominates the imagination by its titanic power of drawing. No one, except perhaps Lionardo, could draw like that, and Lionardo would not have allowed his linear scheme to impose itself so remorselessly upon the mind.

And we may further notice how, in this first step of rational mechanics, we see illustrated that truth awhile since referred to, that as magnitudes of linear extension are the only ones of which the equality is exactly ascertainable, the equalities of other magnitudes have at the outset to be determined by means of them.

On the N.E., N., and N.W. it is still lower and narrower; so much so, that it is only for an hour or so after sunrise or before sunset that it can be traced at all. On every side, with the exception of the curved piece on the S., the wall consists of linear sections. The interior contains a great number of little craters and very low longitudinal mounds.

The Phœnician mind, if not original, was at all events practical. The great stumbling-block in the way of the ancient scripts was their complexity a fault which the Minoan users of the Linear Script, Class B, had evidently already begun to recognize and endeavour to amend.

It seems that he has an old Pott's fracture of the left ankle, a linear, longitudinal scar on each knee origin not stated, but easily guessed at and that he has tattooed on his chest in vermilion a very finely and distinctly executed representation of the symbolical Eye of Osiris or Horus or Ra, as the different authorities have it.

The best variety of L. vera and there are several, although unnamed improved by cultivation in England, presents the appearance of an evergreen undershrub of about two feet in height, with grayish green linear leaves, rolled under at the edges, when young; the branches are erect and give a bushy appearance to the plant; the flowers are borne on a terminal spike, at the summit of along naked stalk, the spike being composed of six to ten verticillasters, more widely separated toward the base of the spike; in young plants two or four sub-spikes will branch alternately in pairs from the main stalk; this indicates great vigor in the plant, and occurs rarely after the second year of the plant's growth.

Therefore, viewed in relation to the classes of reptiles and birds, the pterodactyles appear to me to be, in a limited sense, intercalary forms; but they are not even approximately linear, in the sense of exemplifying those modifications of structure through which the passage from the reptile to the bird took place.