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TRANSACTIONS OF THE SECTIONS. 133 
caused by the temporary deflection of the Gulf-stream, arising from some perturba- 
tion in the Atlantic, thus leaving the island for the moment in the same position as 
continental regions under the same parallel of latitude. 
On the Round Towers of Ireland. By Gorvon M. Hits. 
The author exhibited drawings, forty-four in number, illustrating forty of the 
round towers, being the first portion of a survey still in progress, which is intended 
to include drawings of every round tower in existence, with the architectural features 
of each shown at large, and the dimensions taken either by actual measurement or 
by the sextant and artificial horizon. The survey extends to the churches and build- 
ings adjacent to, or in connexion with the round towers; and in addition, to the 
sites and buildings where there is authority for believing that round towers have 
existed. 
An abstract of the particulars given of the first portion of the survey is as follows :— 
Ist. Towers retaining the conical cap complete, or nearly so. 
Diameter 
High to top. at base. 
feet. in. feet. in. 
1. Kilmacduagh, Co. Galway ..........sseseees 108 4 18 6 
2. Ardmore, Co. Waterford...... Sea cabls cateeeios.s 95 10 16 4 
3. Clondalkin, Co. Dublin ..............cseceeee 90 5 13 4 (at door) 
- 4, Cashel, Co. Tipperary.......csscseecsesaseees 89 O 16 8 
5. Antrim, Co. Antrim......csccccccesssecscvcees 87 0 16 O 
6. Swords, Co. Dublin ...... Recttcus tenes Rance 85 9 16 10 
7. Devenish, Co. Fermanagh ..........es...005 81 6 15 6 
No. 1 has lost about 3 feet of the point of the cone, 3 and 4 have lost about 18 
inches each. 
' 2nd. Those towers which are perfect to the base of the cone, or retain only a 
small portion of it :— 
Tligh to base Diameter 
of cone. at base. 
feet. in feet. in. 
Biebertagh;:CowKilkenny. avis cidiscd euadeteseiueieeceladase 100 0 15 8 
2. Kilkenny..............000+ et ese Akt, USIP ASR Bt 95 5 14 10 
3. Glendalough, Co. Wicklow (the Great Tower) ..... 90 O 16 0 
AV bis ee Otorg: Dh c) [ts Gene See ee i oe 88 0 17 0 
5. Timahoe, Queen’s Co........cccessesccssserstevecccccees 80 5 18 4 
RSMELATCOOSPINCLT Vi hes loca daciolien camcaltdacccasedieis rtledctealhes 78 4 15 1 
7. Scattery, Co. Clare...ssscccsecseseenee ALAM AN 76 9 16 7 
8. Clonmacnois, King’s Co. (the Small Tower) ....... 45 3 Te 
3rd. The following, which have had battlemented additions made to the height of 
the shaft in modern times :— 
Diameter 
High to top. at base. 
1. Cloyne, Co. Cork (a stump) .........csecececeeceeucees 101 5 17 1 
2. Kildare........... ein attaddacteted ta deate dee se cates cane eres 96 0 17 10 
Serimilree;, Co. Kilkenny. (01. See ieee eee 85 8 15 10 
4th. Those which are imperfect in various degrees :— f 
High. Diameter. 
1. Aghadoe, Co. Kerry .............40. SRC OFC nC RARE Sneaen 16 0 15 6 
2. Ardpatrick, Co. Limerick (a fragment) ...........2.+. ap 16 9 
3. Armoy, Co. Antrim (a stump).........s.cscseceeeeceeee 33 0 15 0 
4, Aghavuller, Co. Kilkenny (a stump).........e00see00- 29 0 16 0 
5. Castledermot, Co. Kildare (top modern) ............- 65 6 15 3 
6. Clones, Co. Monaghan (to top of window under 
COPMICE) one oncetscscscpeeea sees Z ReeAa ante 28 BAB sb clos yt 
7. Clonmacnois, King’s Co., O’Ruark’s Tower (the 
upper part not original) ...........c060 MeeEsee sive } said i 
