MAEINE BIOLOGICAL STATION AT POET EEIN. 35 



III. May 27th. The Committee hired the steam trawler 

 " Lady Loch," and dredged the following localities : — 



1. South-east of Calf 'Sound, a mile from Kitterland, 

 20 fathoms; bottom subangular gravel (? glacial material), 

 many ophiuroids and Buccinum undatum, a few large 

 shells, Mytilus edulis, and Venus 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 incrusted), Spatangus 

 purpureus, many encrusting polyzoa, Venus, Trochus, 

 Pecten, Serpula, Echinus, and Lithothamnion fragments. 



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

 Kitterland, 20 fathoms ; bottom white shelly (calcareous) 

 sand, mainly organic, lamellibranch and gastropod shells, 

 echinoderm spines and plates, Cellar ia fistulosa and 

 Cellepora pumicosa, Pectunculus glycimeris, Zoophytes. 



4. South-east of Spanish Head, 2J miles off, 20 fathoms ; 

 bottom sand and broken shells ; a few small stones — 

 Triassic sandstone, slate, and pebble of felsite. Annelids, 

 Phyllophorus drummondi. 



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 Chasms, a mile out, 19 fathoms ; bottom mud 

 and small gravel (subangular grit and granite), Echino- 

 cardium cordatum and Echinus remains, and some shells. 



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

 bottom, sandy mud, small subangular stones and sheL 

 fragments ; with Pagurus prideauxii and Adamsiapalliata. 



