272 LIVERPOOL MARINE BIOLOGY COMMITTEE REPORT. 



Family. — Melibid^ . 



Doto coronata, Gmelin. 



Taken at Woodside (Price). Mersey and Dee, very 

 common (Collingwood). Isle of Man (Forbes). 



This species is not uncommon now at Hilbre Island, 

 although at the time when Byerley's Fauna was written it 

 had only been found once in the neighbourhood. 



It was dredged in August off the south end of the Isle of 

 Man, near Port Erin. 



It was obtained during the cruise of the *' Hyaena " off 

 the north end of Puffin Island, from a depth of eleven to 

 thirteen fathoms, on May 24th ; it was found at Hilbre 

 Island on June 13th, and was dredged in Hilbre Swash on 

 May 9th. 



Doto fragilis, Forbes. 



Forbes first found this species off the Manx coast in deep 

 water, and described and figured it in his Malacologia 

 Monensis (1838) under the name oi Melihcea fragilis. 



It was dredged during the cruise of the " Hyaena " off 

 the north end of Puffin Island, from a depth of eleven to 

 thirteen fathoms, on May 24th ; and also off Port Erin, and 

 between Port St. Mary and Spanish Head, Isle of Man, 

 during August, from depths of fifteen to twenty-five fathoms. 



Family. — PROCTONOTiDiE, 



Antiopa cristata, Delle Chiaje. 

 This species is recorded from the Menai Straits by Mr. 

 Alder ; and from the Dee by Dr. Collingwood. 



Antio2)a hyaliiia, Alder and Hancock. 



This rare species was first found in July, 1851, by Mr. 



Byerley and Mr. Price, junior, who each picked up a single 



specimen at Hilbre Island. In August, 1854, Mr. Byerley 



found another fine specimen in the same locality, and sent 



