ART. CONTENTS OF No. XXIII. PAGE III. ON A TERNARY GEOLOGICAL CLASSIFICATION. With Coloured Page Plate. By Edward Hull, M.A., F.R.S VI. THE PRE-HISTORIC ANTIQUITIES OF AND AROUND LOUGH PAGE 4. BOTANY, VEGETABLE PHYSIOLOGY AND MORPHOLOGY, AND IDEAL SKETCH OF SUBMARINE GARDEN ON THE COAST OF YAR-CONNAUGHT. The characteristic Sea-Weeds are:-Fucus nodosus, F. vesiculosus, F. serratus, Laminaria digitata (vera), L. digitata, var. stenophylla, L. saccharina, and Alaria esculenta. THE QUARTERLY JOURNAL OF SCIENCE. JULY, 1869. I. THE SEA-WEEDS OF YAR-CONNAUGHT, AND By G. H. KINAHAN, M.R.I.A., F.R.G.S.I., &c., &c., of the On the west of Lough Corrib, the second largest sheet of fresh water in Ireland, forming the north-western part of the Co. Galway, lies the district called Yar or West Connaught. The western portion of this tract, included in the Barony of Ballinahinch, is called Connemara; however, now-a-days tourists seem to have given the latter title to the whole of Yar-Connaught, although the natives still retain the ancient names. Yar-Connaught lies on the Atlantic Ocean, being on the west and south-west indented by numerous fiords, bays, and cooses, and along its sea-board the fuci vegetate luxuriantly. The sea-weeds are used for manufacturing into kelp, also as manure for the land, and are locally divided into three classes, which have received as names-1st, Red weeds, or the iodine producing plants that grow below the low-water mark of neap tides; 2nd, Reeshagh, or the non-iodine producing weeds that grow in similar situations; and 3rd, the Black weeds, growing on the rocks between high and low water.* The first, in the order of importance as sources of iodien, are "Laminaria digitata vera," "L. digitata stenophylla," "L. saccharina," "L. phyllitis," and "Alaria esculenta." The Black weeds *To John Steven, Esq., of Mullaghmore, the representative of William Patterson, Esq., of Glasgow, I am indebted for the classification of the fuci, and also for many of the statistics in this paper. VOL. VI. 2 A |