...deposited when the land was considerably lower than at present. The Pholas crispala, a boring mollusk which is very abundant in the Firth of Forth, furnishes...grave. A short time before his death, the late Hugh Mil!>. i- showed the author P/ioZaa-borings at Joppa, in fire-clay, 8 feet above high-water-mark. There...

...ligaments had their appropriate vesicles. The next day these vesicles had developed into round bullse, from a quarter of an inch to half an inch in diameter, and contained a perfectly clear, colorless fluid. On the Palms the bullse were much less developed,...

...sailing and for rowing. It is furnished with a centre-board, which should be made of galvanised iron of from a quarter of an inch to half an inch in thickness. Figs. 13, 14, and 15 show the midship section, deck plan and elevation of the usual centre-board...

...of a yellowish, or, it may be, of a pearly pink colour. The patches vary in size, but are generally from a quarter of an inch to half an inch in diameter, and are sharply defined from the surrounding intima, which is almost normal, or only slightly swollen,...

...sandstone, in some beds reddish, the bedding planes of which frequently show pitted surfaces, the pits being from a quarter of an inch to half an inch in diameter and probably representing the position of annclide burrows. It is nearly horizontal, and in continuing...

...sandstone, in some beds reddish, the bedding planes of which frequently show pitted surfaces, the pits being from a. quarter of an inch to half an inch in diameter and probably representing the position of annelide burrows. It is nearly horizontal, and in continuing...

...very hard, and erosion proceeds but slowly. Under the lens very large ooliths, or pisoliths, appear, from a quarter of an inch to half an inch in diameter, but no traces of organic remains were discovered. The total thickness of these rocks, as exposed at...

...very hard, and erosion proceeds but slowly. Under the lens very large ooliths, or pisoliths, appear, from a quarter of an inch to half an inch in diameter, but no traces of organic remains were discovered. The total thickness of these rocks, as exposed at...

...very hard, and erosion proceeds but slowly. Under the lens very large ooliths, or pisoliths, appear, from a quarter of an inch to half an inch in diameter, but no traces of organic remains were discovered. The total thickness of these rocks, as exposed at...

...from the application of sedative ointment by means of the large tube. The tubes I generally employ are from a quarter of an inch to half an inch in diameter, and if they are well greased they generally pass up without causing any pain whatever, unless there...