OCEAN GAEDENS j 



To reyert to other classes that occur to me as 

 snitahle objects for an Aquarium, I may mention the 

 Red-noses/' as they are graphically termed [Saxi- 

 cava rugosa)^ a colony of which, peeping out of 

 their holes in the rock^ would form a yery striking 

 object ; and if a piece of their natiye rock could 

 be detached sufficiently deep not to disturb them 

 in the recesses of their tube-like burrows, their 

 remoyal ^'en hloque^^ would not be difficult. When 

 touched, the Red-nose squirts a stream of water at 

 you in defiance, and darts back into his cayern* 

 He is a small biyalye, haying his inner or immediate 

 home within two rough brown shells. The double- 

 tubed proboscis with which he is furnished is ex^ 

 tended, when in search of food, to the mouth of his 

 €aye, in which position the appearance of its ruddy 

 terminus has giyen to this tribe the characteristic 

 name of " E^ed-noses." How he contriyes to bore a 

 hole in the solid rock, with any of the soft pulpy 

 members with which he is furnished, appears a mys- 

 tery. Other Conchifers haye, howeyer, similar capa-^ 

 bilities, their ingenuity not being confined to rocks, 

 and their industry not being always harmless. 

 Such, for instance, is that of the Teredo, or Ship- 

 worm, a species , of which has long proyed so in- 

 imical to the formation of a Russian fleet in the 



