64 THE AQUAVIVARIUM. 



collection ; whilst of those that swim at a little dis- 

 tance from the shore, the Pipe Fishes (Syngnathus), 

 the Mullets, and the Wrasses, have a singular power 

 of maintaining their existence in the Aquavivarium. 

 The Grey Mullet (Mugil capita) is a beautiful 

 fish of our shores, both on the dish and in the 

 tank, and has succeeded better than any other 

 sea fish in the Regent's Park collection. 



FIG. 24. 



The Wrasses are extremely beautiful fish, and 

 may vie in the splendour and beauty of their 

 colouring with even birds and butterflies. The 

 Ballan Wrasse (Labrus berghylta), Fig. 25, though 



FIG. 25. 



not perhaps the handsomest species, is one which 

 lives well, and deserves every encouragement. 



The Articulate animals of the sea are very nume- 

 rous. The larger forms of Crustacea can only be 

 introduced sparingly into the Aquavivarium, as 

 they run over and devour other things. Of the 

 Crabs^ the Hermit Crab (Pagurus Bernhardus) is 



