ox THE MARINE ZOOLOGY OF THE IRISH SEA. 321 



Tliijoiie fiisus and T. rapliamoi, Cellaria jistulosa, Ascidia plebein, Poly- 

 carpa comata. 



4. North-west of Calf Island, 3 miles off, 20 fatlioms ; bottom sand and 

 shell fragments, with Pecfiuicnlii.^t ijhjcbneris, Mudiola modiolus; J'ecten 

 viaxim 7is. 



T). North-west of Burrow Rock, 3 to 4 miles off, 22 fathoms ; bottom 

 shells, with rectnnciduf! gljcimeris, JAssocardium norveyidim, Pecten 

 maxinms. 



6. North-west of Chicken Rock, f) miles off, 25 fathoms ; bottom dead 

 shells and some sand, with >iarcodictyon catenatum, C/icvtopterus sp., Ebalia 

 luberosa, Aticidia plebeia. 



7. One-and-a-half mile off Bradda Head, 18 fathoms; bottom large 

 shells and broken fragments, with Afiteriatt rubenti (very large '), Poraiiia 

 indvillns, Ciona iiifestinalis. 



8. Two to three miles N.W. of Bradda Head, 21 fathoms ; bottom 

 anuddy sand, with many ophiuroids, Cucuniaria Ilyndmani. 



9. Four miles N.W. of Bradda Head, 23-25 fathoms (several hauls) ; 

 bottom sandy mud, many ophiuroids. 



Y. May 27. — The Committee hired the steam trawler ' Lady Loch,' and 

 dredged the following localities : — 



L South-east of Calf Sound, a mile from Kitterland, 20 fathoms ; 

 bottom subangular gravel (? glacial material), many ophiuroids and Bucci- 

 wim imdatum, a few large shells, Mytihos ednlis, and Venns casina. 



2. South-east of Calf Sound, half a mile further out, 19 fathoms ; some 

 coarse sand and broken shells with the subangular gravel (stones much 

 encrusted) Spatmigus pu7-pureus, many encrusting jjolyzoa, Venus, Trochus, 

 Pecten, Serpida, Echimi.s, and Lithothamnion fragments. 



3. South-east of Calf Sound, further on, 2 miles from Kitterland, 20 

 fathoms ; bottom white, shelly (calcareous) sand, mainly organic, lamelli- 

 branch and gastropod shells, echinoderm spines and plates, Cellaria Jistu- 

 losa a]id Cellepora pniaicosa. 



4. South-east of Spanish Head, 2^ miles off, 20 fathoms ; bottom sand 

 and broken shells ; a few small stones — Triassic sandstone, slate, and 

 pebble of felsite. 



5. South-east of Spanish Head, 3 miles off, 22 fathoms ; bottom more 

 shelly (fragments large), and a few small pieces of slaty rocks. 



6. Off the Chasms, half a mile out, 17 fathoms ; bottom muddy sand with 

 much Lithothamnion and Melobesia, a few shells and small stones, small sub- 

 angular fragments of slate, grit, Carboniferous limestone (with Productus), 

 And pebbles of coarse sandstone. 



7. Off the Cliasms, a mile out, 19 fatlioms ; bottom mud and small 

 .gravel (small subangular grit and granite), Ampliidotus and Echinus 

 remains, and some shells. 



8. Off the Chasms, 2 miles out, 21 fathoms ; mixed bottom, sandy mud, 

 small subangular stones and shell fragments. 



9. Southeast of the Old MineSj near Berwick Bay, quarter mile to a 

 mile off shore, 15 to 18 fathoms (two hauls) ; bottom Nullipore and gravel 

 {angular grit, slate, vein-quartz) ; a few shell fragments. 



' The specimens we dredge are ver^' much larger than those we find on the rocks 

 of the neighbouriiig shore. Are there two varieties in the species, a smaller shore 

 tind a larger deep-water form, or do the individuals move outwards from the shore as 

 they grow older / 



1894. Y 



