MARINE BIOLOGICAL STATION AT PORT ERIN. 45 



Island, where the Port Erin fishermen set their traps, and 

 the remainder off Spanish Head, where the Port St. Mary 

 men fish." 



Mr. F. H. Gravely, Demonstrator of Zoology in the 

 University of Manchester, who occupied the Work-Table 

 of that University during the greater part of June and 

 July, 1907, has sent me the following note upon some of 

 the observations made in the course of his work. 



Mr. Gravely's Report. 

 " The following finds appear to be worthy of note : — 

 Hydrozoa. 



Syncoryne eximia. — Only once recorded before, and 

 then from the dredge (" Fauna," Vol. IV., p. 279), and 

 once, I believe, found by Mr. Dakin in water from his 

 laboratory tap at Easter. This summer it occurred in 

 sheets over the vertical and overhanging faces of the 

 blocks on the \V. side of the breakwater at and below low 

 water level ; it was also obtained from rock pools at Port 

 St. Mary, the Calf Sound (both sides), and in the little 

 bay by the caves just round the angle of the cliffs by the 

 Castle Rocks. Mr. Chadwick has since found it in 

 quantity covering the cork floats attached to a number of 

 crab-pots. 



Garveia nutans. — No published record from the Isle 

 of Man as yet, I think. I found this in a deep rock pool 

 above low-water mark on the Port Erin side of the Calf 

 Sound. 



Tubularia indivisa var. obliqua. — This form occurred 

 on an overhanging ledge of rock just above low water 

 mark at Port St. Mary. It is characterised by a single 

 large (0 - 2 x 01 mm.) tentacle covering the umbrella- 

 mouth of each female gonophore and capable of moving 



