MARINE BIOLOGICAL STATION AT PORT ERIN. 63 



FIG. 



298. Ascidiella scabra, off Port Erin, 10 fins. 



299. Ascidiella venosa, off Aldrick. 



300. Ascidiella aspersa, off Breakwater, Bay Fine, etc. 



301. Ascidia mentula, off Bay Fine and Halfway Rock. 



302. Ascidia plebeia, off Spanish Head, 20 fms. 



303. Corclla parallelo gramma, off Castles, Bay Fine, and 



Spanish Head. 



304. Styelopsis grossidaria, off Port Erin and Spanish 



Head. 



305. Polycarpa comata, off Halfway Rock. 



306. Polycarpa pomaria, off Bay Fine, 12 fms. 



307. Polycarpa glomerata, in caves. 



308. Polycarpa monensis, off Port Erin, 15 fms. 



309. Cynthia morns, off Halfway Rock and Bay Fine. 



310. Molgula occulta, off Bradda Head and Spanish Head. 



311. Eugyra glutinans, off Halfway Rock and Spanish 



Head. 



Plate II. 



This Chart shows the physical features, soundings, 

 and bottoms in Port Erin Bay, and is explained on page 41. 



Plate III. 



Key to the Chart, showing the distribution of the Porifera, 

 Coelentera, and Echinoderma. 

 fig. 



1. Leucosolenia coriaeea, in coralline pools, and at 



Fleshwick. 



2. Leucosolenia botryoides, in Pat's Dub and other 



coralline pools, and at Fleshwick. 



3. Sycon compressum, in coralline pools and under 



stones, and at Fleshwick. 



4. Sycon coronatimu in coralline pools and under stones, 



and at Fleshwick. 



