MARINE BIOLOGICAL STATION AT PORT ERIN. 39 



Castletown a party consisting of Mr. Cartwright, the 

 Science Master, and a set of boys. Our Curator took them 

 round the Aquarium and Laboratory, and demonstrated 

 specimens to them under the microscope. The meeting 

 was, I believe, a success, and will probably be repeated. 



On occasions like the meetings referred to above, and 

 also on days when a number of visitors come together 

 to the Aquarium, and it is obviously impossible for the 

 Curator to explain the animals in each tank to every 

 visitor, we have often felt the need of a short simply- 

 worded printed description, giving the names and leading 

 characteristics of the chief animals in the tanks. This 

 has led to the decision that we should issue a short 



GrUIDE TO THE AQUARIUM. 



Consequently I am now drawing up an account which will 

 be appended to a future Report for the benefit of our 

 subscribers and correspondents, and will be sold by the 

 Curator to Aquarium visitors at the nominal price of 

 one penny. The illustrations, which will form a useful 

 and pleasing addition, are, for the most part, being 

 prepared from careful drawings made by our Curator, 

 Mr. Chadwick. 



Distributional Charts. 

 (See Plates I. to VII.) 

 The idea of showing on charts the distribution of the 

 various groups of animals in Port Erin Bay is one that 

 has been before the Committee from the beginning. The 

 practical carrying out of this idea was commenced by 

 myself in 1885, when I spent five weeks in July and 

 August in exploring the neighbourhood, and in making 

 collections by dredging, tow-netting and shore work. I 

 marked at that time all my species on a chart, but came 



