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. 10, 1860.] this formidable trilateral, which will, when completed, mount in all, as we gather, as many as 150 heavy guns, is to be placed one of those formidable booms, of the difficulty of dealing with which we have had some experience.

We will, however, suppose the prowess of our squadron to have burst this last obstacle, run the gauntlet of, or silenced the three sets of forts, and rounded the point. We are now in the third or Gravesend Reach, and are hardly clear of Shornemead Battery when we are opened on simultaneously by old Tilbury Fort, of famous memory (G), as well as by a fort nearly opposite at Gravesend (H), and the existence of which, (though tolerably well known to the yachtsmen who frequent Wates’s Hotel—it has another name now, we believe, but we love to stick to the old one), is hardly suspected by most of the thousands who every summer pay their regulation visit to the Paradise of Cockneys. Tilbury affords a fire of thirty-two heavy guns down and across the river, and the opposite fort of fifteen guns; and these are now to be so arranged for crossing fire with those guns of the two batteries we have last past, and which were spoken of as bearing up the river, that in passing up Gravesend Reach we have to run the gauntlet of a double cross fire, in shape like the letter X, as may be seen on reference to the illustration, placing our advancing squadron in almost as uncomfortable a situation as wicked Bishop Hatto’s, when the rats poured in on him

To complete all, a second boom is to extend—in war time only, of course, like the first, and then fitted with a moveable opening for the passage of friendly vessels—across the river from fort to fort, immediately under the guns of both.

So much for the defences of the Thames properly so called. With the defences, or rather no defences, of Woolwich, we have nothing to do in this paper; moreover, we have got to the limit of our engraving, and that settles the matter.

We now return to the division of our fleet, which we left approaching the entrance of the Medway.

It will of course be observed, both from our illustration and from any map, that Sheerness stands sentry over the entrance of this river. Not only do the shores contract as they approach the mouth, but the shoals before alluded to still further narrow the practicable channel to 730 yards at low water, whilst their position on the left or western bank of the river combines with that of others, further out to sea, in setting the navigable channel well over to the Sheppey; and we are thus driven to the unpleasant conclusion that, in endeavouring to carry our point, we shall be obliged first of all to steer past and nearly parallel with the whole seaward face of the defences at a distance of less than 600 yards, and then round Garrison Point, even nearer than that. However, it is clear we must manage to capture, destroy, or pass the sentry before we can hope to do anything towards attaining our end. There are other works, too, on the opposite shore, of which more anon.

To bombard the dockyard and arsenal not only would be a great point gained in the way of a heavy blow and great discouragement to the garrison, but would inflict a serious loss on the nation generally, as it seems to us; and it must be a great encouragement therefore to our, or any, invading force to find that the floating batteries once passed, there is no protection for Sheerness from bombardment. We are told it could not be protected by permanent fortifications, except at an expense in the shape of deep sea forts, after the fashion of Cronstadt, which it is impossible to recommend; but it is very frankly added that the dockyard and arsenal are not worth protection. Le jeu ne vaut pas la chandelle. How happy the Sheerness folks must feel in their exposed and remarkably attractive position!

Well, it appears we can bombard the place when we like. We will therefore postpone the consideration of that business, and turn our attention to the fortifications. They look formidable enough. The north line shows something like half a mile of very serious looking batteries, terminating at Garrison Point in a still more ugly bastion mounting a double tier of guns. This, we are informed, is to be still further strengthened by a powerful casemated battery; whilst another, about half a mile further up the river, just where the land defences come down to the river bank, is to co-operate in commanding the anchorage. To complete the tour of the fortifications, we find the whole landward side enclosed by the usual arrangement of angular Chinese-puzzle-looking walls and ditches known among the initiated as “bastions” and “curtains,” through which you pass out into the country, whenever you want an excursion, by means of gates and roads placed sideways and edgeways, and any way but straight, and by ricketty wooden bridges with chains, over which it is hardly necessary to be requested “not to drive fast.”

On the opposite side of the river, standing in