Labbamologa, County Cork, is a tomb called Leaba Callighe, in which this was certainly not the case.  The length of the whole monument is about 42 feet.  The slabs cover the inner walls of the chamber, but not the outer lining:  this last forms a kind of outer shell to the whole monument.  It is shaped roughly like a ship, and runs to a point at the east end, thus representing the bow.  The west end is damaged, but may have been pointed like the east.  The whole reminds one very forcibly of the naus of the Balearic Isles and the Giants’ Graves of Sardinia.  Occasionally the corridor-tomb has a kind of portico at its west end.

[Illustration:  FIG. 7.  Type-plan of wedge-shaped tomb.  The roof slabs
               are two or more in number.]

In Munster the corridor-tomb takes a peculiar form (Fig. 7).  It lies roughly east and west, and its two long sides are placed at a slight angle to one another in such a way that the west end is broader than the east.  In a good example of this at Keamcorravooly, County Cork, there are two large capstones and the walls consist of double rows of slabs, the outer being still beneath the cover-slabs.  On the upper surface of the covers are several small cup-shaped hollows, some of which at least have been produced artificially.

These wedge-shaped structures are of remarkable interest, for exactly the same broadening of the west end is found in Scandinavia, in the Huenenbetter of Holland, in the corridor-tombs of Portugal, and in the dolmens of the Deccan in India.

In some Irish tombs the corridor leads to a well-defined chamber.  In a curious tomb at Carrickard, Sligo, the chamber was rectangular and lay across the end of the corridor in such a way as to form a T. The whole seems to have been covered with an oval mound.  In another at Highwood in the same county a long corridor joins two small circular chambers, the total length being 44 feet.  The corridor was once divided into four sections by cross-slabs.  The cairn which covered this tomb was triangular in form.

In the county of Meath, in the parish of Lough Crew, is a remarkable series of stone cairns extending for three miles along the Slieve-na-Callighe Hills.  These cairns conceal chamber-tombs.  The cairns themselves are roughly circular, and the largest have a circle of upright blocks round the base.  The chambers are built of upright slabs and are roofed by corbelling.  Cairn H covered a corridor leading to a chamber and opening off on each side into a side-chamber, the whole group thus being cruciform.  In these chambers were found human remains and objects of flint, bone, earthenware, amber, glass, bronze, and iron.  Cairn L had a central corridor from which opened off seven chambers in a very irregular fashion.  Cairn T consisted of a corridor leading to a fine octagonal chamber with small chambers off it on three sides.