132 LIVERPOOL MARINE BIOLOGY COMMITTEE REPORT. 



the Isle of Man. It has been dredged by Mr. R. Garner off 

 Douglas Bay, and near Port Erin and The Calf. It is also 

 recorded by Forbes (Brit. Assoc. Rep., 1850), as having 

 been taken off the Isle of Man in twenty-five fathoms. 



It occurred in abundance in depths of from ten to twenty 

 fathoms off Port Erin, Port St. Mary, and Spanish Head, at 

 the southern end of the Isle of Man, last summer. The 

 specimens were of fair size, and shewed the usual variations 

 in colour ; yellow, tawny, orange, and crimson individuals 

 being obtained. 



Some of the specimens of Antedon were infested with 

 the interesting little ectoparasite, Myzostoma. 



The Pentacrinoid larvae of Antedon were obtained during 

 the last week of July and first fortnight of August, attached 

 to seaweeds, from a depth of ten to twenty fathoms, off Port 

 Erin, Isle of Man. 



ASTEROIDEA. 



Family. — Asteriad^. 



Asterias rubenSf Linn. 

 This species, the Uraster ruhens of Forbes' British Star 

 Fishes, and of Byerley's Fauna, is exceedingly abundant on 

 the rocks at the north end of Hilbre Island, between tide 

 marks. In some places the star fishes are so closely placed 

 as to almost entirely cover the rocks for some yards. They 

 seem to have been increasing in numbers at Hilbre Island of 

 late years, and possibly they may be driving away or extermi- 

 nating some of the other animals of the littoral zone. 



The common star fish is also found in this neighbour- 

 hood by dredging. It was obtained in abundance, and of 

 large size, in Hilbre Swash, during the "Merry Andrew" and 

 ** Spindrift " expeditions, and was dredged, during the cruise 

 of the " Hyaena," off the Great Ormes Head, depth seven to 

 eight fathoms, on May 23rd, 1885. 



