l() TRANSACTIONS UYKRPuOL BIOLOGICAL SOCIETY. 



public interest can be excited and much useful educational 

 work accomplished by well-arranged and adequately 

 storked and properly kept marine tanks, especially if 

 combined with scientific guidance and personal exposition. 

 The latter, however, although very desirable, is not 

 absolutely necessary, and is not always possible, as it 

 sometimes makes too severe a strain upon the limited time 

 that the Curator can spare from his other duties. It is 

 hoped by the Committee that the present little guide, 

 drawn up by the Hon. Director, with illustrations by the 

 Curator, Mr. H. C. Chadwick, will enable visitors to the 

 Aquarium to study the tanks and specimens for themselves 

 with intelligent interest, to recognise representatives of 

 the leading groups of marine animals, and to make some 

 acquaintance with the nature and range, the beauty and 

 the importance of the living things of our seas. 



The majority of the figures are original, and were 

 drawn by Mr. Chadwick from specimens found at Port 

 Erin ; the rest were copied more or less closely from well- 

 known works of the following authors : — Claus, Gosse, 

 Savile Kent, Jeffrey Bell, Hickson, Mcintosh, Watson, 

 Balfour, Brady, Herdman, Sars, Korscheldt and Heider, 

 Jeffreys, Day, and Alder and Hancock. 



W. A. Herdman. 



I " d iversity, Liverpool, 



December, 1905. 



The Naturalist's Dredge. 



