Page:Memoirs of the Geological Survey of Great Britain, Volume 1.djvu/386

Divisions of Littoral zone.	Sandwick, E. of Zetland, on steep rocks of gneiss. Vertical extent four feet.		Near Armadale, W. coast of Skye. Shingle and Sand.	Near Armadale, W. coast of Skye. Old Red Sandstone Rocks.	At Slade, County Wexford. Carboniferous Limestone Rocks.	At Featherd. County Wexford. On Old Red Sandstone Rocks.	At Tramore, County Waterford. On Silurian slates.
I. Sub-Regeo.	Fucus canaliculatus. Littorina rudis.		Fucus canaliculatus. Littorina rudis.	Fucus canaliculatus. Littorina rudis. A few Balani.	Fucus canaliculatus. Littorina rudis, and petræa.	Fucus canaliculatus. Littorina rudis. A few Balani and Patellæ.	Fucus canaliculatus. Littorina rudis, petræa, and Balani.
II. Sub-Regeo.			Lichina. Patella vulgata. Balanus.	Lichina. Patella vulgata. Mytilus edulis.	Lichina. Patella vulgata. Balanus. Nullipora.	Lichina. Patella vulgata. Balanus. Mytilus edulis. Nullipora.	Lichina. Patella vulgata. Balanus. Mytilus edulis.
III. Sub-Regeo.	$\scriptstyle {\left\{{\begin{matrix}\ \\\\\ \\\ \ \end{matrix}}\right.}$ $\scriptstyle {\left\{{\begin{matrix}\ \\\\\ \ \end{matrix}}\right.}$	Fucus articulatus. Balanus. littorina littorea. Purpura lapillus. Fucus nodosus.	Fucus articulatus. Balanus. littorina littorea. Purpura lapillus. Acinea mesembryanthemum. Fucus nodosus, forming a distinct belt.	Fucus articulatus and Fucus nodosus, mingled. Patella vulgata and Balani, abundant. littorina littorea. Purpura lapillus, abundant. Trochus umbilicatus. Spirorbis on rocks. Corallina officinalis.	Fucus articulatus and nodosus, mingled. Balanus. littorina littorea. Purpura lapillus. Trochus crassus. Acinea mesembryanthemum.	Fucus articulatus. Balani, abundant. littorina littorea. Purpura lapillus. Trochus umbilicatus, and crassus. Acinea mesembryanthemum.	Fucus articulatus. Balani and Patellæ littorina littorea. Purpura lapillus. Trochus umbilicatus. Acinea mesembryanthemum. Corallina officinalis.
IV. Sub-Regeo.	Fucus serratus, its fronds covered with spirorbis.		Fucus serratus, its fronds covered with spirorbis. littorina neritoides. Lottia testudinaria.	Fucus serratus, mingled with nodorous. Spirorbis. littorina neritoides. Trochus cinerarius. A few Balani.	Fucus serratus. littorina neritoides. Trochus cinerarius and umbilicatus, with occasional specimens of T. ziziphinus.	Fucus serratus. littorina neritoides. Trochus cinerarius. A few Patellæ and Balani.	Fucus serratus. littorina neritoides.
Intermediate bands, only a few inches broad, everywhere.	Himanthalia.		Conferva rupestris, forming a belt	Four belts of Fuci. 1. Laurencia pinnatifida. 2. Conferva rupestris. 3. Choadrus crispus. 4. Himanthalia lorea.	Chondrus crispus, and Himanthalia lorea.	Himanthalia.	Himanthalia.
Region of Laminariæ	Laminariæ.		Sand with Zostera.	Laminaria.	Laminaria, and Delesseria.	Laminaria.	Laminaria.