412 TKANSACTIONS LIVERPOOL BIOLOGICAL SOCIETY. 



believes it to be H. auricula, Eathke. Mr. Beaumont 

 (5) also gives a description of another species of Hali- 

 clystus, which may possibly be new. 



Order DISCOMEDUS^. 

 Family Pelagic^. 

 Chrysaora isosceles, (Linnaeus 15). 

 Byerley {6) states that this medusa is rare, seen mostly 

 during July and August. Walker (7) states it is frequently 

 very common in the L.M.B.C. district. 



Family Cyaneid^. 



Cyancea capillata, (Linnaeus 15). 



Byerley {6) states that it is a very common medusa 

 during the summer. 



I took a small specimen in Port Erin Bay, on May 

 26th, 1893. Umbrella IJ inches in diameter. Larger 

 ones were seen at the beginning of June. 



On April 30th , 1894, I captured a late Ephyra-stage 

 showing the commencement of the long tentacles. On 

 May 9th, I caught a small adult specimen about 10 mm. 

 in diameter. 



Family Ulmarid^. 



Aurelia aurita, (Lamarck 15). 



Aurelia aurita suddenly appeared in Port Erin Bay, on 

 June 2nd, 1893, and in a few days became abundant. 

 But throughout the whole of May I never saw a single 

 specimen. Diameter of the umbrella about 2 to 5 inches. 



In 1894, on March 22nd, the first day of tow-netting, I 

 captured one specimen of the Ephyra-stage and a few at 

 the beginning of April. At the end of April a few of the 

 adult stage were taken ; the largest 18 mm. in diameter. 

 The Ephyrse are certainly scarce at Port Erin and the 



