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this would be a most decided "advantage," many of the materials for ship building being so unwieldly as almost to preclude their being transported by land. These are some of the advantages which, it occurs to me, "Memphis presents as a constructive Navy Yard," in a national point of view.

To the South and West its importance seems the greater, the more we reflect upon the subject. In time of war, the Pensacola Navy Yard could not certainly be relied on, either as a place for building or repairing ships; because though the entrance to Pen

as to offer little defence against a land attack upon the Navy Yard.

With such a fleet as the English now have in the Baltic, acting on the Gulf against us, nothing less than an army, outside of the forts, could save the Pensacola Navy Yard from destruction—and that Yard destroyed, we should have from the capes of Virginia to the mouth of the Del Norte, two thousand or more miles of Southern coast, without the means of building or equipping ships of war. Memphis "as a constructive Yard," is important to the South and West, from the consideration that without it, our whole coasting trade on the Gulf, throughout a protracted war, might be destroyed at no greater cost to the enemy than keeping three or four small steamers in commission there, because the Atlantic ports be-' ing blockaded, no vessels could escape from them, or if they could, an enemy's squadron off the Bahamas, would divert them from a course toward the Gulf. It is true that even with every facility here for building ships we might have this trade for a time destroyed, but we should then, at least, compel the enemy to do this work at some cost to himself as well as to us.

A New Style Of Bricks.—Amongst the more recent inventions patented by English manufacturers perhaps the most important and interesting is that by Mr. Summerfield, of the Glass Works, Birmingham Heath, for what are termed chromatic glass, or glass-faced grooved bricks. It has already attracted the attention of several eminent architects and builders, and there is little doubt this new description of brick will come into extensive use. By Mr. Summerfield's process, red or other clay can be combined with class, and this will secure durability, entire resistance to moisture, and give an ornamental appearance to the building. The form of the brick is also, by means of a groove at the side and end, made so as to add greatly to the strength of the erection, the joints by this means being brought nearly close together, forming a neat exterior, and the morter acts as a wedge, from the shape of the groove.—[Railroad Record.]

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fortifications are there so placed

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Statement showing the number and class of vessels built and the tonnage thereof in each State and Territory of the United States during the year ending June 30, 1853.

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F. BIGGER, Register. Treasury Department, Register's Office, December 5, 1853,

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